2006 sprinter body

8/17/2019 2006 Sprinter Body

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TABLE OF CONTENTS

1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

1.1 SYSTEM COVERAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11.2 SIX-STEP TROUBLESHOOTING PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . .1

2.0 IDENTIFICATION OF SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

3.0 SYSTEM DESCRIPTION AND FUNCTIONAL OPERATION . . . . . . . . . . . . . . . . . . . . . .1

3.1 AIRBAG SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13.1.1 DRIVER AIRBAG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23.1.2 CLOCKSPRING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33.1.3 PASSENGER AIRBAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33.1.4 SEAT BELT TENSIONERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33.1.5 SPECIAL TOOLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33.1.6 DIAGNOSTIC TROUBLE CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43.1.6.1 ACTIVE CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43.1.6.2 STORED CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

3.2 COMMUNICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

3.2.1 COMMUNICATION K-LINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43.2.2 CAN BUS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53.3 HEATING & A/C SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

3.3.1 AUTOMATIC TEMPERATURE CONTROL (ATC) . . . . . . . . . . . . . . . . . .53.3.1.1 SYSTEM CONTROLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53.3.1.2 SYSTEM DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53.3.2 CABIN HEATER MODULE (CHM) & HEATER BOOSTER MODULE

(HBM). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73.3.2.1 SYSTEM DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73.3.2.2 VENTING THE HEATER’S EXHAUST . . . . . . . . . . . . . . . . . . . . . . . . . . .83.3.2.3 SYSTEM DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

3.4 INSTRUMENT CLUSTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

3.5 POWER DOOR LOCKS/RKE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93.5.1 CENTRAL LOCKING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93.5.2 REMOTE KEYLESS ENTRY (RKE). . . . . . . . . . . . . . . . . . . . . . . . . . . . .93.5.3 AUTO DOOR LOCKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103.5.4 ACCIDENT RESPONSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

3.6 VEHICLE THEFT SECURITY SYSTEM (VTSS) . . . . . . . . . . . . . . . . . . . . . . . . . .103.7 USING THE DRBIII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113.8 DRBIII ERROR MESSAGES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113.9 DRBIII DOES NOT POWER UP (BLANK SCREEN) . . . . . . . . . . . . . . . . . . . . . .113.10 DISPLAY IS NOT VISIBLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

4.0 DISCLAIMERS, SAFETY, WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

4.1 DISCLAIMERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114.2 SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

4.2.1 TECHNICIAN SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . .114.2.2 VEHICLE PREPARATION FOR TESTING. . . . . . . . . . . . . . . . . . . . . . .124.2.3 SERVICING SUB-ASSEMBLIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124.2.4 DRBIII SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

4.3 WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124.3.1 VEHICLE DAMAGE WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124.3.2 ROAD TESTING A COMPLAINT VEHICLE . . . . . . . . . . . . . . . . . . . . . .12

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TABLE OF CONTENTS - Continued

5.0 REQUIRED TOOLS AND EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

6.0 GLOSSARY OF TERMS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

7.0 DIAGNOSTIC INFORMATION AND PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . .15

AIRBAG

AIRBAG WARNING INDICATOR - DRIVER HIGH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16AIRBAG WARNING INDICATOR - DRIVER LOW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19DRIVER SEAT BELT TENSIONER - INCORRECT FEEDBACK . . . . . . . . . . . . . . . . . .22DRIVER SQUIB 1 - INCORRECT FEEDBACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22INTERNAL 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22INTERNAL 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22INTERNAL 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22PASSENGER SEAT BELT TENSIONER - INCORRECT FEEDBACK . . . . . . . . . . . . . .22PASSENGER SQUIB 1 - INCORRECT FEEDBACK. . . . . . . . . . . . . . . . . . . . . . . . . . . .22STORED ENERGY FIRING 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22STORED ENERGY FIRING 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22DRIVER SEAT BELT TENSIONER CIRCUIT OPEN . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

DRIVER SEAT BELT TENSIONER CIRCUIT SHORT . . . . . . . . . . . . . . . . . . . . . . . . . .26DRIVER SEAT BELT TENSIONER SHORT TO BATTERY. . . . . . . . . . . . . . . . . . . . . . .28DRIVER SEAT BELT TENSIONER SHORT TO GROUND . . . . . . . . . . . . . . . . . . . . . . .31DRIVER SQUIB 1 CIRCUIT OPEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33DRIVER SQUIB 1 CIRCUIT SHORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36DRIVER SQUIB 1 SHORT TO BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39DRIVER SQUIB 1 SHORT TO GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42LOSS OF IGNITION RUN - START . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45PASSENGER SEAT BELT TENSIONER CIRCUIT OPEN . . . . . . . . . . . . . . . . . . . . . . .47PASSENGER SEAT BELT TENSIONER CIRCUIT SHORT . . . . . . . . . . . . . . . . . . . . . .49PASSENGER SEAT BELT TENSIONER SHORT TO BATTERY . . . . . . . . . . . . . . . . . .51PASSENGER SEAT BELT TENSIONER SHORT TO GROUND . . . . . . . . . . . . . . . . . .54

PASSENGER SQUIB 1 CIRCUIT OPEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56PASSENGER SQUIB 1 CIRCUIT SHORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59PASSENGER SQUIB 1 SHORT TO BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62PASSENGER SQUIB 1 SHORT TO GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65*AIRBAG WARNING INDICATOR FLASHING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

CABIN HEATERA. HEATER PRE-TEST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69CIRC PUMP CONTROL OPEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72CIRC PUMP CONTROL SHORTED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74COMBUST FAN SHORTED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76COMBUST FAN SPEED INCORRECT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

COMBUSTION FAN OPEN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76CONTROL UNIT FAULTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77DOSING PUMP OPEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78DOSING PUMP SHORTED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81FAN STAGE 1 RELAY CONTROL OPEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83FAN STAGE 1 RELAY CONTROL SHORTED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85FLAME DETECT PRIOR TO COMBUST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87FLAME OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88NO START . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88FLAME SENSOR OPEN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

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FLAME SENSOR SHORTED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91GLOW PIN OPEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91GLOW PIN SHORTED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91HEATER IN LOCKOUT MODE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93HEATER OVERHEATED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93SUCCESSIVE OVERHEATING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93OVER VOLTAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96

OVERHEATING SENSOR OPEN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97OVERHEATING SENSOR SHORTED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97TEMP SENSOR OPEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98TEMP SENSOR SHORTED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98UNDER VOLTAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99

COMMUNICATION*NO RESPONSE FROM AIRBAG CONTROL MODULE . . . . . . . . . . . . . . . . . . . . . . .102*NO RESPONSE FROM AUTOMATIC TEMPERATURE CONTROL . . . . . . . . . . . . . .104*NO RESPONSE FROM CABIN HEATER MODULE . . . . . . . . . . . . . . . . . . . . . . . . . .106*NO RESPONSE FROM CENTRAL TIMER MODULE . . . . . . . . . . . . . . . . . . . . . . . . .108*NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE . . . . . . . . . . . . . . . . . . .110

*NO RESPONSE FROM ENGINE CONTROL MODULE . . . . . . . . . . . . . . . . . . . . . . .112*NO RESPONSE FROM HEATER BOOSTER MODULE . . . . . . . . . . . . . . . . . . . . . . .114*NO RESPONSE FROM INSTRUMENT CLUSTER . . . . . . . . . . . . . . . . . . . . . . . . . . .116*NO RESPONSE FROM RADIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118*NO RESPONSE FROM SECURITY SYSTEM MODULE . . . . . . . . . . . . . . . . . . . . . .120*NO RESPONSE FROM SENTRY KEY REMOTE ENTRY MODULE . . . . . . . . . . . . .122*NO RESPONSE FROM SHIFTER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124*NO RESPONSE FROM TRANSMISSION CONTROL MODULE . . . . . . . . . . . . . . . .126

HEATING & A/CA/C COMPRESSOR CONTROL HIGH OR OPEN (ACTIVE) . . . . . . . . . . . . . . . . . . . .128A/C COMPRESSOR CONTROL HIGH OR OPEN (STORED) . . . . . . . . . . . . . . . . . . .130

A/C COMPRESSOR CONTROL SHORTED LOW (STORED) . . . . . . . . . . . . . . . . . . .130AIR OUTLET TEMP SENSOR HIGH OR OPEN (STORED) . . . . . . . . . . . . . . . . . . . .130AIR OUTLET TEMP SENSOR SHORTED LOW (STORED) . . . . . . . . . . . . . . . . . . . .130AUX FAN RELAY CONTROL HIGH OR OPEN (STORED) . . . . . . . . . . . . . . . . . . . . .130AUX FAN RELAY CONTROL SHORTED LOW (STORED) . . . . . . . . . . . . . . . . . . . . .130BLOWER STAGE 1 HIGH OR OPEN (STORED) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130BLOWER STAGE 1 SHORTED LOW (STORED) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130CABIN HEATER CONTROL HIGH OR OPEN (STORED) . . . . . . . . . . . . . . . . . . . . . .130CABIN HEATER CONTROL SHORTED LOW (STORED) . . . . . . . . . . . . . . . . . . . . . .130CIRC PUMP CONTROL HIGH OR OPEN (STORED) . . . . . . . . . . . . . . . . . . . . . . . . .130CIRC PUMP CONTROL SHORTED LOW (STORED) . . . . . . . . . . . . . . . . . . . . . . . . .130EVAP TEMP SENSOR HIGH OR OPEN (STORED) . . . . . . . . . . . . . . . . . . . . . . . . . .130

EVAP TEMP SENSOR SHORTED LOW (STORED) . . . . . . . . . . . . . . . . . . . . . . . . . .130NO COMMUNICATION BUS (STORED) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130NO COMMUNICATION WITH ECM (STORED) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130NO COMMUNICATION WITH IC (STORED). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130RECIRC AIR SOLENOID CONTROL HIGH OR OPEN (STORED) . . . . . . . . . . . . . . .130RECIRC AIR SOLENOID CONTROL SHORTED LOW (STORED) . . . . . . . . . . . . . . .130REFRIG PRESS SENSOR HIGH OR OPEN (STORED) . . . . . . . . . . . . . . . . . . . . . . .130REFRIG PRESS SENSOR SHORTED LOW (STORED) . . . . . . . . . . . . . . . . . . . . . . .130WATER CYCLE VALVE CONTROL HIGH OR OPEN (STORED) . . . . . . . . . . . . . . . .130WATER CYCLE VALVE CONTROL SHORTED LOW (STORED) . . . . . . . . . . . . . . . .130

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A/C COMPRESSOR CONTROL SHORTED LOW (ACTIVE) . . . . . . . . . . . . . . . . . . . .132AIR OUTLET TEMP SENSOR HIGH OR OPEN (ACTIVE) . . . . . . . . . . . . . . . . . . . . .134AIR OUTLET TEMP SENSOR SHORTED LOW (ACTIVE) . . . . . . . . . . . . . . . . . . . . .136ATC FUNCTION TEST COOL FAILURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138ATC FUNCTION TEST FAILURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138ATC FUNCTION TEST HEAT FAILURE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138AUX FAN RELAY CONTROL HIGH OR OPEN (ACTIVE) . . . . . . . . . . . . . . . . . . . . . .140

AUX FAN RELAY CONTROL SHORTED LOW (ACTIVE) . . . . . . . . . . . . . . . . . . . . . .142BLOWER STAGE 1 HIGH OR OPEN (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144BLOWER STAGE 1 SHORTED LOW (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146CABIN HEATER CONTROL HIGH OR OPEN (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . .148CABIN HEATER CONTROL SHORTED LOW (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . .150CIRC PUMP CONTROL HIGH OR OPEN (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . .152CIRC PUMP CONTROL SHORTED LOW (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . .154EVAP TEMP SENSOR HIGH OR OPEN (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . .156EVAP TEMP SENSOR SHORTED LOW (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . .158NO COMMUNICATION BUS (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .160NO COMMUNICATION WITH ECM (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163NO COMMUNICATION WITH IC (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165

RECIRC AIR SOLENOID CONTROL HIGH OR OPEN (ACTIVE) . . . . . . . . . . . . . . . .167RECIRC AIR SOLENOID CONTROL SHORTED LOW (ACTIVE) . . . . . . . . . . . . . . . .169REFRIG PRESS SENSOR HIGH OR OPEN (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . .171REFRIG PRESS SENSOR SHORTED LOW (ACTIVE) . . . . . . . . . . . . . . . . . . . . . . . .173WATER CYCLE VALVE CONTROL HIGH OR OPEN (ACTIVE) . . . . . . . . . . . . . . . . .175WATER CYCLE VALVE CONTROL SHORTED LOW (ACTIVE) . . . . . . . . . . . . . . . . .177

INSTRUMENT CLUSTERAMBIENT TEMP SENSOR OPEN/SHORT TO BATTERY . . . . . . . . . . . . . . . . . . . . . .179AMBIENT TEMP SENSOR SHORT TO GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . .181FUEL LEVEL SENSOR OPEN/SHORT TO BATTERY . . . . . . . . . . . . . . . . . . . . . . . . .182FUEL LEVEL SENSOR SHORT TO GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .184

INSTRUMENT CLUSTER INTERNAL FAILURE B1043 . . . . . . . . . . . . . . . . . . . . . . . .185INSTRUMENT CLUSTER INTERNAL FAILURE B1053 . . . . . . . . . . . . . . . . . . . . . . . .186INSTRUMENT CLUSTER OVERVOLTAGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .187NO CAN COMMUNICATION WITH ABS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .188NO CAN COMMUNICATION WITH ECM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .190NO CAN COMMUNICATION WITH TCM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .192PREGLOW INDICATOR LAMP FAILURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .194SRS INDICATOR LAMP FAILURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .195

POWER DOOR LOCKS/RKEDRIVER DOOR AJAR INDICATOR DRIVER CIRCUIT SHORT TO GROUND . . . . . .196PASSENGER DOOR AJAR INDICATOR DRIVER CIRCUIT SHORT TO GROUND .198

REPLACE CONTROL MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200RKE INTERFACE CIRCUIT SHORT TO GROUND - CTM . . . . . . . . . . . . . . . . . . . . . .201RKE INTERFACE CIRCUIT SHORT TO GROUND - SKREEM . . . . . . . . . . . . . . . . . .203RKE INTERFACE CIRCUIT SHORT TO VOLTAGE - CTM . . . . . . . . . . . . . . . . . . . . .205RKE INTERFACE CIRCUIT SHORT TO VOLTAGE - SKREEM. . . . . . . . . . . . . . . . . .206THE ACM HAS UNLOCKED THE DOORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .208UNKNOWN TROUBLE CODE UNKNOWN DTC TYPE 2 . . . . . . . . . . . . . . . . . . . . . .209*RKE INOPERATIVE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .210*RKE POOR RANGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211

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VEHICLE THEFT/SECURITYDRIVER CYLINDER LOCK SWITCH CIRCUIT SHORT TO GROUND . . . . . . . . . . . .212DRIVER CYLINDER UNLOCK SWITCH CIRCUIT SHORT TO GROUND . . . . . . . . .214FRONT DOOR JAMB SWITCH CIRCUIT SHORT TO GROUND . . . . . . . . . . . . . . . .216INTERNAL ERROR - SSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218TOWING INCLINATION SENSOR BEYOND LIMITS . . . . . . . . . . . . . . . . . . . . . . . . . .218TOWING INCLINATION SENSOR VALUE IS INVALID. . . . . . . . . . . . . . . . . . . . . . . . .218

TOWING INCLINATION SENSOR VALUE IS MISSING . . . . . . . . . . . . . . . . . . . . . . . .218INTRUSION SENSOR 1 CIRCUIT OPEN/SHORT TO GROUND . . . . . . . . . . . . . . . .220INTRUSION SENSOR 1 GROUND CIRCUIT OPEN . . . . . . . . . . . . . . . . . . . . . . . . . .222INTRUSION SENSOR 2 CIRCUIT OPEN/SHORT TO GROUND . . . . . . . . . . . . . . . .223INTRUSION SENSOR 2 GROUND CIRCUIT OPEN . . . . . . . . . . . . . . . . . . . . . . . . . .225INTRUSION SENSOR 3 CIRCUIT OPEN/SHORT TO GROUND . . . . . . . . . . . . . . . .226INTRUSION SENSOR 3 GROUND CIRCUIT OPEN . . . . . . . . . . . . . . . . . . . . . . . . . .228REAR OR SLIDING DOOR JAMB SWITCH CIRCUIT SHORT TO GROUND . . . . . .229RKE INTERFACE CIRCUIT FAILURE - SSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .231SECURITY SYSTEM INTERFACE FAILURE - SSM. . . . . . . . . . . . . . . . . . . . . . . . . . .233SIREN CIRCUIT OPEN/SHORTED TO GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . .235SIREN INTERNAL FAILURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .237

SIREN SIGNAL CONTROL CIRCUIT SHORT TO GROUND . . . . . . . . . . . . . . . . . . . .238

WINDSHIELD WIPER & WASHERCHECKING THE RAIN SENSOR/WIPER OPERATION . . . . . . . . . . . . . . . . . . . . . . . .239

VERIFICATION TESTSVERIFICATION TESTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .244

8.0 COMPONENT LOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .249

8.1 AIRBAG SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2498.2 AIRBAG CONTROL MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .249

8.3 DRIVER AIRBAG SQUIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2498.4 CLOCKSPRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2508.5 SEAT BELT TENSIONER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2508.6 HEATING & A/C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250

8.6.1 AUTOMATIC TEMPERATURE CONTROL (ATC) SYSTEMCOMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250

8.6.2 CABIN HEATER & HEATER BOOSTER SYSTEM COMPONENTS .2518.6.3 AUTO TEMP CONTROL, CABIN HEATER, & HEATER BOOSTER

FUSES & RELAYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2518.6.4 EVAP TEMP SENSOR & AIR OUTLET TEMP SENSOR . . . . . . . . . .251

8.7 INSTRUMENT CLUSTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2528.7.1 AMBIENT TEMPERATURE SENSOR . . . . . . . . . . . . . . . . . . . . . . . . .252

8.8 POWER DOOR LOCKS/RKE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2528.8.1 CENTRAL TIMER MODULE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2528.8.2 SENTRY KEY REMOTE ENTRY MODULE. . . . . . . . . . . . . . . . . . . . .2538.8.3 DOOR LOCK MOTOR/AJAR SWITCH . . . . . . . . . . . . . . . . . . . . . . . .2538.8.4 CONTACT PLATES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2538.8.5 DOOR LOCK MOTOR/AJAR SWITCH CONNECTORS . . . . . . . . . . .254

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8.9 VEHICLE THEFT SECURITY SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2548.9.1 SECURITY SYSTEM MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2548.9.2 INTRUSION SENSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2548.9.3 SWITCHES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2558.9.4 SIREN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .255

9.0 CONNECTOR PINOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257

A/C AUXILIARY FAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257AIR OUTLET TEMPERATURE SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257AIRBAG CONTROL MODULE - YELLOW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257AIRBAG SQUIB-DRIVER - YELLOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .258AIRBAG SQUIB-PASSENGER - YELLOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .258AMBIENT TEMPERATURE SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .258AUTOMATIC TEMPERATURE CONTROL MODULE C1 - BROWN . . . . . . . . . . . . . .259AUTOMATIC TEMPERATURE CONTROL MODULE C2 . . . . . . . . . . . . . . . . . . . . . . .259AUXILIARY HEATER CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .259BLOWER MOTOR RESISTOR BLOCK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .259BLOWER MOTOR-FRONT - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260

C205 - YELLOW (DASH SIDE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260C205 - YELLOW (MAIN BODY SIDE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260CENTRAL TIMER MODULE C1 - PINK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260CENTRAL TIMER MODULE C2 - LT. GREEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .261CIRCULATION PUMP (CABIN HEATER MODULE) . . . . . . . . . . . . . . . . . . . . . . . . . . .261CIRCULATION PUMP (REST SYSTEM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .261CIRCULATION PUMP DIODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .261CLOCKSPRING C2 - YELLOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .262CONTROLLER ANTILOCK BRAKE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .262CYLINDER LOCK SWITCH-DRIVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .263DATA LINK CONNECTOR - BLACK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .263DOOR LOCK MOTOR/AJAR SWITCH ASSEMBLY-DRIVER C1 . . . . . . . . . . . . . . . . .263

DOOR LOCK MOTOR/AJAR SWITCH ASSEMBLY-DRIVER C2 . . . . . . . . . . . . . . . . .263DOOR LOCK MOTOR/AJAR SWITCH ASSEMBLY-LEFT SLIDING C1 . . . . . . . . . . .263DOOR LOCK MOTOR/AJAR SWITCH ASSEMBLY-LEFT SLIDING C2 . . . . . . . . . . .264DOOR LOCK MOTOR/AJAR SWITCH ASSEMBLY-PASSENGER C1 . . . . . . . . . . . .264DOOR LOCK MOTOR/AJAR SWITCH ASSEMBLY-PASSENGER C2 . . . . . . . . . . . .264DOOR LOCK MOTOR/AJAR SWITCH ASSEMBLY-REAR C1 . . . . . . . . . . . . . . . . . . .264DOOR LOCK MOTOR/AJAR SWITCH ASSEMBLY-REAR C2 . . . . . . . . . . . . . . . . . . .264DOOR LOCK MOTOR/AJAR SWITCH ASSEMBLY-RIGHT SLIDING C1 . . . . . . . . . .265DOOR LOCK MOTOR/AJAR SWITCH ASSEMBLY-RIGHT SLIDING C2 . . . . . . . . . .265DOSING PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .265ENGINE CONTROL MODULE C1 (EXCEPT OBD) - BLACK . . . . . . . . . . . . . . . . . . .265ENGINE CONTROL MODULE C2 (EXCEPT OBD) - BLACK . . . . . . . . . . . . . . . . . . .266

ENGINE CONTROL MODULE C2 (OBD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .267ENGINE CONTROL MODULE C3 (EXCEPT OBD) - BLACK . . . . . . . . . . . . . . . . . . .268EVAPORATOR TEMPERATURE SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .269FUEL LEVEL SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .269FUSES (FUSE BLOCK NO. 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .271FUSE BLOCK NO. 1 C1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .271FUSE BLOCK NO. 1 C2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .271FUSE BLOCK NO. 1 C3 - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .272FUSE BLOCK NO. 1 C4 - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .272FUSE BLOCK NO. 1 C5 - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .272

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FUSES (FUSE BLOCK NO. 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .274FUSES (FUSE BLOCK NO. 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .276FUSES (FUSE/RELAY BLOCK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .278HOOD AJAR SWITCH - BLACK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .278HORN (VTSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .278IGNITION LOCK SWITCH - BLACK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .278INSTRUMENT CLUSTER C1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .279

INSTRUMENT CLUSTER C2 - WHITE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .279INTRUSION SENSOR NO. 1 - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .279INTRUSION SENSOR NO. 2 - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .279INTRUSION SENSOR NO. 3 - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .280MASTER DOOR LOCK SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .280PANIC ALARM SWITCH - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .280FUSES (PDC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .281RADIO C1 - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .282RADIO C2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .282RECIRCULATED AIR SOLENOID VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .282REFRIGERANT PRESSURE SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .282A/C AUXILIARY FAN RELAY (RELAY BLOCK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .284

CIRCULATION PUMP RELAY-CABIN HEATER MODULE (RELAY BLOCK) . . . . . . .284D+ RELAY NO. 2 (RELAY BLOCK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .284FAN STAGE 1 RELAY (RELAY BLOCK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .284OPTIONAL EQUIPMENT RELAY (RELAY BLOCK) . . . . . . . . . . . . . . . . . . . . . . . . . . .284REMOTE KEYLESS ENTRY ANTENNA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .284SEAT BELT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .284SEAT BELT TENSIONER-DRIVER - YELLOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .285SEAT BELT TENSIONER-PASSENGER - YELLOW . . . . . . . . . . . . . . . . . . . . . . . . . . .285SECURITY SYSTEM MODULE C1 - BROWN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .285SECURITY SYSTEM MODULE C2 - LT. GREEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . .286SENTRY KEY REMOTE ENTRY MODULE (SKREEM) . . . . . . . . . . . . . . . . . . . . . . . .286SHIFTER ASSEMBLY - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .286

SIREN - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .286STEERING ANGLE SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .287TOWING/INTRUSION SENSOR ON/OFF SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . .287TRANSMISSION CONTROL MODULE C1 - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . .287TRANSMISSION CONTROL MODULE C2 - BLACK . . . . . . . . . . . . . . . . . . . . . . . . . .288WATER CYCLE VALVE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .288WINDOW DEFOGGER-LEFT REAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .288WINDOW DEFOGGER-RIGHT REAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .288

10.0 SCHEMATIC DIAGRAMS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .289

10.1 AIRBAG SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .289

10.2 COMMUNICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29010.2.1 COMMUNICATION K-LINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29010.2.2 CAN BUS NETWORK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .291

10.3 HEATING & A/C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29210.3.1 AUTOMATIC TEMPERATURE CONTROL (ATC) . . . . . . . . . . . . . . . .29210.3.2 CABIN HEATER MODULE (CHM) . . . . . . . . . . . . . . . . . . . . . . . . . . . .29310.3.3 HEATER BOOSTER MODULE (HBM) . . . . . . . . . . . . . . . . . . . . . . . . .294

10.4 INSTRUMENT CLUSTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .295

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10.5 POWER DOOR LOCKS/RKE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29610.5.1 FRONT DOORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29610.5.2 SLIDING AND REAR DOORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29710.5.3 SWITCH AND MISCELLANEOUS CIRCUITS . . . . . . . . . . . . . . . . . . .298

10.6 VEHICLE THEFT SECURITY SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29910.7 RAIN SENSOR SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300

11.0 CHARTS AND GRAPHS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .301

11.1 EVAP TEMP SENSOR RESISTANCE TO TEMPERATURESPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .301

11.2 AIR OUTLET TEMP SENSOR RESISTANCE TO TEMPERATURESPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .301

11.3 WIPER SWITCH/WASHER SWITCH VOLTAGE SIGNALS . . . . . . . . . . . . . . . .302

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1.0 INTRODUCTION

The procedures contained in this manual include

a ll t h e sp ecif ica t ion s, in st r u ct ion s a n d g r a p h ics

needed to diagnose Sprinter body system problems.

T h e d ia g n o st ics in t h is m a n u a l a r e ba se d o n t h e

failure condition or symptom being present at the

time of dia gnosis.

Please follow the recommendations below whenchoosing your diagn ostic path.

1. F i r st m a k e su r e t h e D R B I I I is communicating

w it h t h e a ppr opr ia t e m od ules ; i. e. , if t h e

D R B I I I displays a ‘‘No Response’’ or a ‘‘Bus

Signa ls Open’’ condition, you must diagnose tha t

first .

2. Read DTC’s (diagnostic trouble codes) with the

D R B I I I.

3. I f no DTC’s are present, identify the customer

complaint.

4. Once the DTC or customer complaint is identi-

f ie d , loca t e t h e m a t ch in g t e st in t h e Ta ble o fContents and begin to diagnose the symptom.

All component location views are in Section 8.0.

All connector pinouts are in Section 9.0. All sche-

m a t ics a r e in Se ct ion 10.0. All Ch a r t s a n d Gr a p h s

are in Section 11.0.

An * placed before the symptom description indi-

cates a customer complaint without a DTC.

When repairs are required, refer to the appropri-

at e service informa tion for the proper r emoval an d

repair procedure.

Dia gnostic procedures cha nge every year. New

d ia g n o st ic sy st e m s m a y be a d d e d : ca r r y o ve r sy s-

t e ms m a y b e e n h a n ce d. R E AD TH I S M AN U AL

B E F O R E TR YI N G TO D I AG N O S E A VE H I C L E

D I AG N O S TI C TR OU B L E C O D E . I t i s r ecom -

m e n d e d t h a t y o u r e vie w t h e e n t ir e m a n u a l t o be -

co m e f a m ilia r w it h a l l t h e n e w a n d ch a n g e d d ia g -

nostic procedures.

This book reflects many suggested changes from

readers of past issues. After using this book, if y ou

have any comments or suggestions, please fill out

the form in the back of this book an d ma il it back to

us.

1. 1 SYSTEM COVERAGETh is d ia g n ost ic p r oced u r es m a n u a l cove rs a l l

Sprinter vehicles.

1. 2 SIX-STEP TROUBLESHOOTINGPROCEDURE

Diagnosis of the body system is done in six basic

steps:

• verification of complaint

• verificat ion of any related symptoms

• sy m p t om a n a ly sis

• problem isolation

• repair of isolated problem

• verifica tion of proper operat ion

2.0 IDENTIFICATION OFSYSTEM

The vehicle systems that are part of the ‘ ‘body’’

sy st e m a r e :

• Airbag

• Automa tic Temperat ure C ontrol

• C ommunicat ion

• I n st r u m e n t Clu st er

• P ower D oor L ocks/RK E

• Vehicle Theft Security Sy stem (VTSS )

•

Wiper/Ra in S ens or

3.0 SYSTEM DESCRIPTION ANDFUNCTIONAL OPERATION

T h e bo d y sy st e m o n t h e Sp r in t e r co n sist s o f a

com bin a t ion of m od u les t h a t com m u n ica t e w it h

ea c h ot h er u s in g t h e C AN B u s (con t r ol le r a r e a

netw ork). Through t he CAN Bus , informa tion a bout

the operation of vehicle components and circuits is

relayed quickly to the appropriate modules. Since

the C AN bus network is for intermodule communi-

cation only, the DRBIII

ut ilizes K-Lines t o estab-lish communications with each module. It is impor-

t a n t t o n o t e t h e CAN bu s cir cu it s a r e by n o m e a n s

tied to the K-Lines. They are completely separate

from ea ch other. For a ddit ional informa tion on the

CAN bu s a n d t h e K -L in es, r e f er t o t h e Co m m u n i-

cation section of t his general informa tion.

3.1 AIRBAG SYSTEM

The S printer Airbag Syst em conta ins t he follow-

ing components:

• Airbag Control Module (ACM)

• Airbag War ning Ind icat or (SRS )

• Driver Airbags

• Clockspring

• Passenger Airbag

• Dr iver Seat B elt Tensioners

• P assenger Sea t B elt Tensioners

The Airba g C ontrol Module (ACM) ha s five m a jor

functions: onboard diagnostics, determine the se-

verity of impacts, squib deployment and Accident

Response, K-Line communications. The ACM is

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s ecu r ed t o t h e f l oor u n d er t h e D r i ve r s e a t a n d

receives power from the Fuse Block No. 1. When-

e ve r t h e ig n it ion k ey is t u r n e d t o t h e r u n or st a r t

position, th e ACM performs a syst em test . The ACM

cannot be repaired or a djusted.

Th e m icr op r ocessor in t h e ACM m on it or s t h e

in t er n a l a n d e xt e r n a l a ir ba g sy st e m e lect r ica l c ir -

cu it s t o d e t e r m in e t h e sy st e m r e a d in e ss. W h e n a

monitored system is determine to be out of range,the ACM will set both active and stored diagnostic

trouble codes (DTC). The ACM also conta ins an

e n er g y -st or a g e ca p a cit or. Th is ca p a cit or st o re s

enough electrical energy to deploy the front airba g

com p on e n t s f or t w o secon d s f ol low in g a ba t t e r y

disconnect or failure during a n impa ct .

The Accelerometer in the ACM is used to sense

th e ra te of vehicle decelerat ion, provide verification

of th e direction an d severity of an impa ct. When th e

preprogrammed conditions are met, the ACM sends

an electrical signal to deploy t he a ppropriate front

airbag system components and a deployment noti-

fication.To provide a n a ccident response n otifica tion, t he

ACM is h a r d w ir e d t o t h e C e n t r a l Tim er m od u le

(CTM) and Engine Control Module (ECM). When a

deployment occurs the ACM provides a 50ms 10.0

volt pulse to the C TM a nd E CM. When the Accident

Report notificat ion signal is r eceived t he C TM un-

locks t he door locks a nd t he EC M sta lls the engine.

The Accident signal will set a DTC in the CTM and

th e door locks w ill not work unt il the D TC h a s been

e r a sed . Th e E CM w il l se t a D TC i f t h e Accid e n t

Re por t cir cu it is sh or t e d t o ba t t e r y volt a g e . Th e

ACM saves the deployment record and after three

d ep loy m en t s t h e AC M m u s t b e r ep la c ed . Th eD R B I I I can be used t o test the Accident Report

Notification feat ure: select the SYS TEM TES T from

the ACM main menu. Then select the Analog Crash

Output Sy stem Test.

The ACM is ha rdwired t o the Inst rument C luster

(MIC ) to control Wa rning Ind icat or (SR S indicat or).

When D TCs becomes activa te, th e ACM illumin a tes

t h e Wa r n i n g I n d ica t o r b y p ul li n g t h e i n di ca t o r

circuit low. The SRS indicator is the only point at

w h ich t h e cu st om e r ca n obser ve sy m p t om s of a

system malfunction.

As p a r t of t h e sy st e m t e st t h e ACM il lu m in a t e s

the War ning I ndicator on for 4.0 second bulb test .

After the lamp check, if the indicator turns off , i t

m e a n s t h a t t h e ACM h a s ch e ck e d t h e sy st e m a n d

found it to be free of discernible malfunctions.

NON-CRITICAL DTCsI f t h e la m p co m e s o n a n d st a y s o n f o r a p e r io d

lon g er t h a n 4.0 se con d s (a bo ut 10.0 secon d s) is

usually a stored DTC (intermittent problem) in the

system.

CRITICAL DTCsD TCs t h a t cou ld le a d t o a con d it ion w h e r e t h e

safety devises may not deploy or incorrectly deploy.

In the event of such a DTC, the safety of the vehicle

occupan ts can no longer be guara nteed. If the lam p

r e m a in s o n , t h e r e co u ld be a n a ct ive D T C in t h e

s y s t e m . S o m e D T C s , I n t e r n a l M o d u l e a n d s q u i b

DTCs, will keep the indicator illuminated even if

the codes a re no longer active.

ACM NOT CONFIGURED FOR PASSENGERAIRBAG AND TENSIONER

I f a f t e r r e pla cin g t h e ACM t h e Air ba g Wa r n in g

I n d ica t o r f la sh es con t in u ou sly t h e ACM m u st be

configured for t he P as senger Airba g a nd Tensioner.

Select Miscellan eous from the ACM ma in menu a nd

configure t he P a ssenger Airba g Tensioner squibs.

WARNING: THE AIRBAG SYSTEM IS ASENSITIVE, COMPLEX ELECTROMECHANICALUNIT. BEFORE ATTEMPTING TO DIAGNOSE ORSERVICE ANY AIRBAG SYSTEM OR RELATEDSTEERING WHEEL, STEERING COLUMN, ORINSTRUMENT PANEL COMPONENTS YOU MUSTFIRST DISCONNECT AND ISOLATE THEBATTERY NEGATIVE (GROUND) CABLE. WAITTWO MINUTES FOR THE SYSTEM CAPACITORTO DISCHARGE BEFORE FURTHER SYSTEMSERVICE. THIS IS THE ONLY SURE WAY TODISABLE THE AIRBAG SYSTEM. FAILURE TODO THIS COULD RESULT IN ACCIDENTALAIRBAG DEPLOYMENT AND POSSIBLE

PERSONAL INJURY.

WARNING: TO AVOID PERSONAL INJURY ORDEATH, NEVER STRIKE OR KICK THEAIRBAG CONTROL MODULE, AS IT CANDAMAGE THE IMPACT SENSOR OR AFFECTITS CALIBRATION.

WARNING: IF AN AIRBAG CONTROLMODULE IS ACCIDENTALLY DROPPEDDURING SERVICE, THE MODULE MUST BESCRAPPED AND REPLACED WITH A NEW

UNIT. FAILURE TO TAKE THE PROPERPRECAUTIONS COULD RESULT INACCIDENTAL AIRBAG DEPLOYMENT ANDPERSONAL INJURY OR DEATH.

3.1. 1 DRIVER AIRBAG

Th e a i r b a g p rot e ct i ve t r i m cov er i s t h e m os t

visible p a r t of t h e d r iver sid e a ir ba g sy st e m . Th e

a ir ba g is m o u n t e d d ir e ct ly t o t h e st e e r in g w h e e l .

Located under the trim cover are the airbag cushion

a n d t h e a ir ba g cush ion su pp or t in g com p on e n t s.

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When supplied with t he proper electrical signa l, the

in fla t o r d ischa r g e d t h e g a s d ir ect ly in t o t h e cush -

io n . T h e a ir ba g ca n n o t be r e p a ir e d , a n d m u st be

replaced if deployed or in any way damaged.

WARNING: THE DRIVER AIRBAG MODULECONTAINS ARGON GAS PRESSURIZED TOOVER 17236.89 Kpa (2500 PSI). DO NOT

ATTEMPT TO DISMANTLE AN AIRBAGMODULE OR TAMPER WITH ITS INFLATOR.DO NOT PUNCTURE, INCINERATE, ORBRING INTO CONTACT WITH ELECTRICITY.DO NOT STORE AT TEMPERATUREEXCEEDING 93°C (200°F). REPLACE AIRBAGSYSTEM COMPONENTS ONLY WITH PARTSSPECIFIED IN THE CHRYSLER MOPARPARTS CATALOG. SUBSTITUTE PARTS MAYAPPEAR INTER-CHANGEABLE, BUTINTERNAL DIFFERENCES MAY RESULT ININFERIOR OCCUPANT PROTECTION. THE

FASTENERS, SCREWS, AND BOLTSORIGINALLY USED FOR THE AIRBAGSYSTEM COMPONENTS HAVE SPECIALCOATINGS AND ARE SPECIFICALLYDESIGNED FOR THE AIRBAG SYSTEM. THEYMUST NEVER BE REPLACED WITH ANYSUBSTITUTES. ANY TIME A NEW FASTENERIS NEEDED, REPLACE IT WITH THECORRECT FASTENERS PROVIDED IN THESERVICE PACKAGE OR SPECIFIED IN THEMOPAR PARTS CATALOG. FAILURE TOTAKE THE PROPER PRECAUTIONS COULD

RESULT IN ACCIDENTAL AIRBAGDEPLOYMENT AND PERSONAL INJURY ORDEATH.

3.1. 2 CLOCKSPRING

The clockspring is mounted on the steering col-

umn under t he st eering w heel. This a ssembly con-

s is t s of a p la s t i c h ou s in g w h i ch con t a i n s a f la t ,

ribbon-like, electrically conductive tape that winds

and unwinds with the steering wheel rotation. The

clockspring is used to maintain a continuous elec-

trical circuit between the instrument panel wiring

and the driver airbag and the horn. The clockspring

must be properly centered when it is reinstalled on

the steering column following any service proce-

dure, or it could be damaged. The clockspring can-

not be repaired and it must be replaced.

3. 1. 3 PASSENGER AIRBAG

Th e P a sse n g er Air ba g is op t ion a l e q u ip m en t .

When supplied with the proper electrical signal the

p a s se ng er a i r ba g i n fl a t or d is ch a r g es t h e g a s d i-

rectly into the cushion. The airbag module cannot

be repaired, and must be replaced if deployed or in

a n y w a y d a m a g e d.

WARNING: THE PASSENGER AIRBAGMODULE CONTAINS ARGON GASPRESSURIZED TO 17236.89 Kpa (2500 PSI).DO NOT ATTEMPT TO DISMANTLE AN

AIRBAG MODULE OR TAMPER WITH ITSINFLATOR. DO NOT PUNCTURE,INCINERATE, OR BRING INTO CONTACTWITH ELECTRICITY. DO NOT STORE ATTEMPERATURE EXCEEDING 93°C (200°F).REPLACE AIRBAG SYSTEM COMPONENTSONLY WITH PARTS SPECIFIED IN THEMOPAR PARTS CATALOG. SUBSTITUTEPARTS MAY APPEAR INTER-CHANGEABLE,BUT INTERNAL DIFFERENCES MAY RESULTIN INFERIOR OCCUPANT PROTECTION. THEFASTENERS, SCREWS, AND BOLTS

ORIGINALLY USED FOR THE AIRBAGSYSTEM COMPONENTS HAVE SPECIALCOATINGS AND ARE SPECIFICALLYDESIGNED FOR THE AIRBAG SYSTEM. THEYMUST NEVER BE REPLACED WITH ANYSUBSTITUTES. ANY TIME A NEW FASTENERIS NEEDED, REPLACE IT WITH THECORRECT FASTENERS PROVIDED IN THESERVICE PACKAGE OR SPECIFIED IN THEMOPAR PARTS CATALOG. FAILURE TOTAKE THE PROPER PRECAUTIONS COULDRESULT IN ACCIDENTAL AIRBAGDEPLOYMENT AND PERSONAL INJURY ORDEATH.

3. 1. 4 SEAT BELT TENSIONERS

Front seat belt systems incorporate a Driver and

optiona l P assenger S eat B elt Tensioner Retra ctors.

At the onset of an impact event each tensioner uses

a p y r ot e ch n ic d e vice , w h ich is t r ig g er e d sim u lt a -

n e o u sly w it h t h e f r o n t a ir ba g s, t o r a p id ly r e t r a ct

the seat belts. With the slack removed, the occu-

pant’s forwa rd motion in an impact w ill be reduced

as will the likelihood of contacting interior compo-

nents. After an impact that deploys the airbag, the

seat belt tensioner assembly must be replaced. The

ACM m od u le m o n it or s t h e Se a t B e lt Te n sion e r s

cir cu it r e sist a n ce a n d r e por t s a ct ive a n d st o r ed

D TCs i f a n y p r oblem is f o u n d. F ollow a l l of t h e

safety procedures when servicing tensioner.

3.1. 5 SPECIAL TOOLS

Airba g load t ools 8310 an d 8443 ar e used in some

airba g d iagnostic test . The load tools conta in fixed

r e sist ive loa d s, ju m p er s a n d a d a p t er s. Th e f ix ed

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l oa d s a r e con n ect e d t o ca b l es a n d m ou n t ed i n a

stora ge case. The cables can be directly connected to

some airbag system connectors. J umpers are used

to convert th e loa d t ool cable connectors to t he other

a ir ba g sy st e m co n n e ct o r s. T h e a d a p t e r s a r e co n -

n e ct e d t o t h e m od u le h a r n e ss con n e ct o r t o op en

shorting clips and protect the connector terminal

during test ing. When using t he load t ool follow a ll of

the safety procedures in the service information fordisconnecting airba g system components. Inspect

the wiring, connector and terminals for damage or

m isa l ig n m e n t . Su bst i t u t e t h e a ir ba g lo a d t o o l in

p la ce o f a D r iver or P a sse n g er Air ba g , se a t belt

tensioner, clockspring (use a jumper if needed).

Th e n f ol low a l l of t h e sa f e t y p r oced u r es in t h e

service information for connecting a irbag system

components. Read the module active DTCs. If the

module reports NO ACTIVE DTCs the defective

components has been removed from the system and

should be replaced. If the DTC is st ill active, con-

tinu e this process unt il all components in t he circuit

have been tested. Then disconnect the module con-n ect or a n d con n ect t h e m a t c h in g a d a p t e r t o t h e

module connector. With all airba gs disconnected

a n d t h e a d a p t e r in st a l le d t h e sq u ib w ir in g ca n be

tested for open and shorted conditions.

3. 1. 6 DIAGNOSTIC TROUBLE CODES

Airbag diagnostic t rouble codes consist of a ctive

a n d s t or ed cod es . I f m or e t h a n on e cod e e xi st s ,

d ia g n ost ic p r ior i t y sh ou ld be g ive n t o t h e a ct ive

codes. Each diagnostic trouble code is diagnosed by

following a specific testing procedure. The dia gnos-

tic test procedures conta in st ep-by-step inst ructionsfor determining the cause of the trouble codes. It is

not necessary to perform a ll of the t ests in t his book

t o d ia g n ose a n in d ivid ua l cod e . Alw a y s beg in by

r ea d i ng t h e d ia g n os t ic t r ou bl e cod es w i t h t h e

D R B I I I. This will direct you to the specific test(s)

tha t must be performed. In certa in test procedures

w it h in t h is m a n u a l , d ia g n o st ic t r o u ble co d e s a r e

used as a diagnostic tool.

3.1. 6.1 ACTIVE CODES

I f t h e la m p r e m a in s o n , t h e r e cou ld be a n a ct ive

DTC in the system. The code becomes active as soon

as the malfunction is detected or key-on, whicheveroccur s f ir st . An a ct ive t r ou ble cod e in d ica t e s a n

on-going malfunction. This means that the defect is

currently there every t ime th e a irbag control mod-

ule checks t hat circuit or component. Some D TCs,

I n t er n a l M od u le a n d s q u ib D TC s , w i ll k eep t h e

in d ica t or i llu m in a t e d e ven i f t h e y a r e n o lon g er

a c t i v e . I f t h e l a m p i s o n a n d n o a c t i v e c o d e s a r e

present, cycling the ignit ion sw itch off and then on

will refresh t he lamp st at e. I t is impossible to era se

an active code.

3.1. 6.2 STORED CODES

Ai rb a g cod es a r e a u t om a t i ca l l y s t or ed i n t h e

ACM’s m e m o r y a s so o n a s t h e m a lf u n ct io n is d e -

tected. A stored code indicates there was an active

code present at some t ime. Stored diagnostic trou-

ble code will remain st ored unt il era sed by the DRB .

I f a m a lf u n ct io n is n o t a ct ive w h ile p e r f o r m in g a

dia gnostic test procedure, th e active code diagn ostic

test will not loca te th e source of the problem. In th is

case, the stored code ca n indicat e an a rea t o inspect.

M a i n t a i n a s a f e d i st a n c e f rom a l l a i r ba g s w h i le

performing the following inspection. If no obvious

p r o ble m s a r e f o u n d , e r a se st o r e d co d e s, a n d w it h

the ignit ion on w iggle the w ire harn ess an d connec-

t o r s, r o t a t e t h e st e e r in g w h e e l f r o m st o p t o st o p .

Recheck for codes periodically as you work through

th e system. This procedure ma y uncover a ma lfunc-

tion tha t is difficult t o locate.

3.2 COMM UNICATION

3.2. 1 COM MUNICATION K-LINES

The K -Lines a re a group of circuits tha t connect

e a ch con t r o l m o du le t o t h e D a t a L in k C on n e ct o r

(DL C). Ea ch cont rol module is connected to th e DLC

with a single K-Line. The DRB III uses the K-Line

to commu nicat e wit h ea ch cont rol module. With t he

use of the K-Lines the DR B III is able to read each

cont rol modules D TCs, sensor displa ys, I/Os et c. If

D R B I I I communications with a particular control

module is lost, one of t he possible causes could be a

fault in the module’s K-Line.

NOTE: It is important to note the DRBIIIuses the K-Lines for diagnostic andmonitoring functions and is no wayconnected to the CAN data bus network.

The following m odules t ha t u se th e K-line on this

vehicle are:

• Airbag Control Module (ACM)

• Automa tic Tempera tu re C ontr ol (ATC)

• Cabin Heater Module (CHM)

• Cent ra l Timer Module (CTM)

•

Controller Antilock Brake (CAB)• Engine C ontrol Module (EC M)

• Heater Booster Module (HBM)

• I n st r u m e n t Clu st e r (I C)

• Shifter Assembly (SA)

• S ecurity S ystem Module (SS M)

• Se n t r y K e y Re m ot e E n t r y Mod u le (SK RE EM)

• Tra nsmis sion C ontrol Module (TCM)

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3.2.2 CAN BUS

The C AN bus (controller ar ea network) is a dat a

bu s sy st e m sp ecif ica l ly d e sig n f or in t er m od u le

communication on this vehicle. The CAN bus con-

sist s of a sp ecia l t w ist e d t w o -cor e ca ble . C on t r o l

modules are connected to this t w ist e d p a ir. The

CAN bu s in co r p o r a t e s t w o t e r m in a t in g r e sist o r s.

O n e t e r m in a t o r i s b ui lt i n t o t h e E n g i ne C on t r ol

Module (EC M) a nd th e oth er is built into the Sent ry

Key Remote Entry Module (SKREEM). Each resis-

tor has a value of 120 ohms. The resistor condition

can be confirmed by disconnecting the control mod-

u le a n d m ea s u ri ng t h e r es is t a n ce v a lu e a t t h e

a p p r op r ia t e con t r o l m od u le p in s. Th is m e a su r e-

ment should read 120 ohms. The two CAN circuits,

CAN C B us (+ ) and CAN C B us (-), a re bridged by

t h e se t w o t e r m in a t in g r e sist o r s w h e n a l l con t r o l

modules are connected to the bus. These two resis-

t or s a r e con n ect e d t o t h e C AN b us n et w o r k i n

pa r a l lel . Th e m ea s u rem en t b et w een t h e t w o

t w i st ed C AN ci rcu it s , w i t h b ot h t h e E C M a n dSKR EE M connected, should measure a value of 60

ohms.

The CAN bus is bi-directional. This means that

each connected control module ca n send an d receive

informa tion. Tran smission of da ta ta kes place re-

dunda ntly via both circuits. The dat a bus levels ar e

m ir r or e d , m e a n in g t h a t i f t h e bin a r y level o n o n e

circuit is 0, the other circuit t ra nsmits binary level

1 and vice versa. The two line concept is used for

two reasons: for fault identification and as a safety

concept.

If a voltage peak occurs on just one circuit , the

receivers can identify this as a fault a nd ignore thev ol t a g e p ea k . I f a s h or t ci r cu i t or i n t er r u pt i on

occurs on one of the two CAN circuits, a software-

har dwa re linked sa fety concept a llows sw itching to

a single-line operation. The defective CAN circuit is

shut down. A specific da ta protocol contr ols how a nd

when the participants can send and receive.

NOTE: It is important to note the CAN Buscircuits are used for inter-modulecommunication only, and is no wayconnected to the K-Lines.

The following modules t ha t use the CAN B us on

this vehicle ar e:

• Automa tic Tempera tu re C ontr ol (ATC)

• Controller Antilock Brake (CAB)

• Engine C ontrol Module (EC M)

• Instrument Cluster (IC)

• Sentry Key Remote Entry Module (SKREEM)

• Shifter Assembly (SA)

• Tra nsmiss ion C ontrol Module (TCM)

3. 3 HEATING & A/C SYSTEM

3. 3. 1 AUTOM ATIC TEM PERATURE

CONTROL (ATC)

3.3. 1.1 SYSTEM CONTROLS

The ATC Module:

• is f u l ly a d d r essa ble w it h t h e D RB I I I.

Th e D R B I I I com m u n ica t e s w it h t h e ATC

Module th rough the Dia gnostic Link Connector

(DLC ) via a K-Line.

• communicates w ith other modules over the C on-

troller Area Network (CAN) C Bus.

• cont rols A/C clutch operat ion.

• controls EB L operat ion.

• controls w at er cycle valve operat ion.

The water cycle valve is a normally open valve,

meaning t ha t it a llows full engine coolant f low t h r ou g h t h e h ea t e r cor e w h e n n o p ow e r i s

delivered to the valve. The ATC controls the

valve with a pulse width signal. The lower the

percentage of the pulse width signal the more

the va lve is open.

• controls Residual Heat Utilization (REST) func-

tion.

• controls blower motor operation, providing four

blower s peeds (Low, M1, M2, & High ).

• controls recirculation air solenoid valve.

• controls the mode door via cables.

• con t r o ls t h e m a in p ow e r su pp ly t o t h e He a t e r

Booster (if equipped).

• uses air inlet temperature sensor, air outlet tem-

p er a t u r e s en s or, a n d e va p or a t o r t e m pe ra t u r e

sensor input, as well as da ta from other modules

to ma inta in occupant comfort levels.

3.3. 1.2 SYSTEM DIAGNOSTICS

F a u lt d e t ect ion is t h r o u g h a ct ive a n d st or e d D ia g -

nost ic Trouble C odes (DTCs )

• D TCs a r e d isp la y e d by t h e D RB I I I.

• Active DTCs are those which currently exist inthe syst em. The condition causing th e fault must

be repaired in order to clear this type of DTC.

• S t or e d D TCs a r e t h o se w h ich occu r r ed in t h e

system since the ATC Module received the last

clear diagnostic info message.

Testing Preparation & DiagnosticsSet the necessary system functions accordingly so

tha t all of the following prerequisites a re met prior

to performing diagnostic tests on the ATC system:

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1. Co n n ect t h e D RB I I I t o t h e D L C .

2. Place the shift lever in park.

3. S t a r t t h e e n g in e .

4. Set t he blower to high speed.

5. Set the temperature selector to full cold.

6. Press a ir conditioning sw itch on.

7. With the DRBIII in Sensors, verify that the:

A. ambient temperature is above 59F (15C).

B. refrigerant pressure is between 29 and 348P SI (2 a n d 24 ba r ) .

C . e va p or a t or t e m pe ra t u r e i s a b ov e 36. 5F

(2.5C).

D. coolant temperature is above 158F (70C).

When a ll of the prerequisites ha ve been m et, use

t h e D R B I I I t o r e cor d a n d e r a se a l l s t o re d ATC

D TCs, a n d t h e n se lect S y st e m Te st s , a n d r u n t h e

ATC Fu nction Test . When complete, check to s ee if

a n y a c t iv e D TC s a r e p res en t . I f s o, r ef er t o t h e

sympt om list in the Hea ting & A/C ca tegory for th e

d ia g n os t i c p roce du r e(s ). I f t h e re a r e n o D TC s

present, yet t he performance seems less t ha n ideal,

u se t h e D RB I I I to look at a ll sensor va lues and t hest a t u s o f t h e va r io u s in p u t s a n d o u t p u t s t o se e i f

there is a deficiency detected that has not fully shut

down t he system. For a ddit iona l informa tion, refer

t o Se n sor Va lu e s a n d I n p u t /O u t pu t St a t u s u n d er

Dia gnostic Tips in this section a nd to S ection 11.0

f o r e va p o r a t o r t e m p e r a t u r e se n so r a n d a ir o u t le t

temperature s ensor resistance to t empera ture spec-

ificat ions cha rts. Also, confirm t ha t the w at er cycle

va lve is f u n ct io n in g . Re m e m be r t h a t t h e va lve is

n or m a lly op en . Th e p u lse w id t h sig n a l w il l of f er

in sig h t in t o t h e va lve’s op er a t io n . Th e low e r t h e

p e r ce n t a g e n u m be r , t h e m o r e o p e n t h e va lve be -

comes. Confirm that the valve is responding to thesigna l from the ATC. If functioning correctly, verify

mode and blend door operation. If okay, the diagno-

sis then becomes purely refrigerant system related.

At t a c h t h e a p pr op ri a t e g a u g es a n d d ia g n os e t h e

refrigeration syst em. Refer t o the S ervice Informa-

tion for refrigera nt system diagnostic procedures.

DIAGNOSTIC TIPS

SENSOR VALUES

Ambient Air Temperature

Th e I n st r u m e n t Clu st e r t r a n sm it s Am bien t AirTe m pe r a t u r e Se n sor d a t a . I n t h e e ven t of a CAN

B us communication failure, the last stored va lue is

d ispla y e d a s a su bst it u t e va lu e.

Interior TemperatureTh e n or m a l r a n g e f or t h e I n t e r ior Te m pe r a t u r e

Sensor is from 32°F to 104°F. An implausible tem-

perat ure va lue indicat es tha t the I nterior Temper-

a tur e Sensor is bad. The repair in this ca se would be

t o r e pla ce t h e ATC Mod u le sin ce t h e se n sor is

integral to the module.

Evaporator TemperatureThe norma l ra nge for the Eva pora tor Tempera ture

Sensor is from 14° F to 104° F. A substitute value of

14° F w ith no updat es indicat es an Eva pora tor Tem-

pera ture S ensor circuit failure.

Air Outlet TemperatureThe n ormal ra nge for t he Air Outlet Tempera ture

Sensor is from 32° F to 203° F. A substitute value of111.1° F in dicat es a n Air Out let Temperat ure S ensor

circuit failure.

Coolant TemperatureTh e E n g in e C on t r ol M od u le t r a n s m i t s C ool a n t

Te m pe r a t u r e S e n sor d a t e . I n t h e e ve n t of a CAN

B us communication failure, 257° F is displayed a s a

substitute value.

Interior Temperature ControllerThe norma l ra nge for the B lend contr ol is from 62° F

to 144°F. This va lue represents th e temperat ure set

by t he opera tor. An implausible temperat ure va lue

o r a t e m p e r a t u r e va lu e t h a t f a i ls t o ch a n g e w h e n

rotating the Blend control indicates that the Blend

control is bad. The repair in this case would be to

replace the ATC Module since the B lend control

integral to the module.

Refrigerant PressureTh e n or m a l r a n g e f or t h e R ef r ig er a n t P r e s s ur e

Sensor is from 29 PS I to 406 PS I. Asubst itute value

of 413 PSI indicates a Refrigerant Pressure Sensor

cir cu it f a i lur e . I n a d d it ion , t h e n or m a l r a n g e f or

P ressure Sensor voltage is 0 volts t o 5 volts. A value

of 0.9 volts ind icates a n open volta ge supply circuit,

while a value of -999 indicat es an open in all t hreesensor circuits.

Water Cycle ValveThe norma l ra nge of th e Wa ter C ycle Va lve is from

0%to 100%. The va lue indica tes t he extent to w hich

the valve is closed. A value of 100%indicates that

the valve is fully closed.

Intense Inst LightT h e I n st r u m e n t Clu st e r t r a n sm it s t h is d a t a . T h e

n or m a l r a n g e f or l igh t in g in t e n sit y is f r o m 0% t o

100%. The va lue indicates the extent to w hich the

illumination has dimmed. A value of 0% indicatesbright w hile a value >0%indicat es dimming. In the

event of a CAN Bus communication failure, 0%is

d ispla y e d a s a su bst it u t e va lu e.

INPUT/OUTPUT STATUS

Compressor ClutchTh e ATC Mod u le t r a n sm it s t h is d a t a . A st a t u s of

ON indica tes th a t t he compressor is operat ional. A

s t a t u s of OF F in d ica t e s t h e com p r essor is n ot

operational.

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Compres SO Accel (Compressor Shut Off - DueTo Acceleration)The Engine Control Module transmits this data. A

st a t u s o f YE S indicates that the compressor shut

off because of an acceleration request . A status of

NO indicat es tha t t here is no accelera tion request .

I f s h ut of f d ue t o a n a c cel er a t i on r eq u es t , t h e

compress will switch on again after 20 seconds. In

a d d it ion , t h e or ig in a l a cce le r a t ion r e q u est ca n n olonger exist for the ECM to acknowledge a subse-

quent request . In the event of a CAN Bus commu-

nication failure, NO is d isp la y e d a s a su bst i t u t e

value.

Compres SO W/E-Off (Compressor Shut Off -Due to Emergency Off)The Engine Control Module transmits this data. A

st a t u s o f YE S indicates that the compressor shut

off because of an emergency off request. A status of

NO in d ica t e s t h a t t h e r e is n o e m e r g e n cy o f f r e -

q u e st . I n t h e e ve n t o f a CAN B u s co m m u n ica t io n

f a il ur e, t h e l a st s t or ed v a lu e i s d is pl a yed a s asubstitute value.

Auxiliary FanTh e ATC Mod u le t r a n sm it s t h is d a t a . A st a t u s of

ON indicates tha t t he auxiliar y fan is opera tional.

A sta tus of OF F in d ica t e s t h a t t h e a u x il ia r y f a n is

not opera tional. The Auxiliary Fa n normally oper-

ates when refrigerant head pressure exceeds 290

P SI an d coolan t t empera ture exceeds 221° F. In the

event of a C AN B us commu nicat ion failure, 257° F is

display ed for coolan t tempera ture (in S ensors) and

the Auxiliary Fa n will run continuously.

Light PB CTRL ModuleThis input displays a status of B r ig h t for positive

d im m er sw it ch o p er a t io n a n d Dimmed for nega-

tive dimmer sw itch opera tion. In th e event of a CAN

B us communicat ion failure, B r ig h t is displayed.

3. 3. 2 CABIN HEATER MODULE (CHM ) &

HEATER BOOSTER MODULE (HBM)

3.3. 2.1 SYSTEM DESCRIPTION

WARNING: NEVER OPERATE THE HEATERIN AN ENCLOSED AREA THAT DOES NOTHAVE EXHAUST VENTILATION FACILITIES.ALWAYS VENT THE HEATER’S EXHAUSTWHEN OPERATING THE HEATER. REFER TOVENTING THE HEATER’S EXHAUSTBELOW FOR PROPER EXHAUST VENTINGINSTRUCTIONS. FAILURE TO FOLLOWTHESE INSTRUCTIONS CAN RESULT INPERSONAL INJURY OR DEATH.

WARNING: ALLOW THE HEATER ASSEMBLY TO

COOL BEFORE PERFORMING A COMPONENT

INSPECTION/REPAIR/REPLACEMENT. FAILURE

TO FOLLOW THESE INSTRUCTIONS CAN

RESULT IN PERSONAL INJURY OR DEATH.

WARNING: ALWAYS DISCONNECT THEVEHICLE’S BATTERY PRIOR TOPERFORMING ANY TYPE OF WORK ON THEHEATER ASSEMBLY. FAILURE TO FOLLOWTHESE INSTRUCTIONS CAN RESULT INPERSONAL INJURY OR DEATH.

WARNING: NEVER ATTEMPT TO REPAIR THEHEATER ASSEMBLY OR ANY OF ITSINTERNAL COMPONENTS. ALWAYSPERFORM HEATER COMPONENTREPLACEMENT IN ACCORDANCE WITH THESERVICE INFORMATION. FAILURE TOFOLLOW THESE INSTRUCTIONS CANRESULT IN PERSONAL INJURY OR DEATH.

CAUTION: Always Perform The HeaterPre-Test (In The Diagnostic Procedures) PriorTo Performing Any Other Test On The HeaterFor The Test Result To Be Valid.

NOTE: Do not disconnect the vehicle’sbattery or the heater’s main power-supplywhile the heater is in operation or inrun-down mode. Failure to follow these

instructions may result in excess emissionsfrom the heater.

NOTE: Failure to prime the Dosing Pumpafter draining the fuel line will prevent heateractivation during the first attempt to start theunit. This may also set a Diagnostic TroubleCode (DTC) in the control unit’s memory. Donot perform the Dosing Pump PrimingProcedure if an attempt was made to start theheater without priming the Dosing Pumpfirst. This will put excess fuel in the heater

module and cause smoke to emit from theheater’s exhaust pipe when heater activationoccurs.

NOTE: Waxed fuel can obstruct the fuel lineand reduce flow. Check for the appropriatewinter grade fuel and replace as necessary.

The Cabin Heater Assembly and Heater Booster

Assembly are supplemental type heaters designed

to pre-heat the engine’s coolant in order to supply

the vehicle’s occupant s wit h hea t prior to the engine

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reaching opera ting temperature. The h eater’s con-

trol unit controls and monitors combustion opera-

t io n t h r o u g h va r io u s in p u t s a n d o u t p u t s t h a t a r e

conta ined inside t he h eater assembly. The supple-

ment a l heat er connects to the vehicle’s heat er hoses

an d uses a separa te fuel supply line and fuel pump

tha t connects to the vehicle’s fuel ta nk. U nlike the

Heater Booster, the Cabin Heater Assembly has an

integral coolant pump which allows heater opera-tion without the vehicle’s engine running. In addi-

t i on , a p rog r a m m a b le t i m er m od u le ca n a l s o b e

a d d e d t o t h i s s y s t e m . N e i t h e r t h e C a b i n H e a t e r

Assem bly n or t h e He a t e r B o ost e r Asse m bly a r e

con n ect e d t o t h e C AN B u s . C om m u n ica t i on b e-

t w e e n t h e h e a t e r ’ s c o n t r o l u n i t a n d t h e D R B I I I

occu r s t h r ou g h t h e D i a g n os t i c L i n k C on n ect or

(DLC ) via a K-Line.

3. 3. 2. 2 VENTING THE HEATER’S EXHAUST

WARNING: NEVER OPERATE THE HEATER

IN AN ENCLOSED AREA THAT DOES NOTHAVE EXHAUST VENTILATION FACILITIES.ALWAYS VENT THE HEATER’S EXHAUSTWHEN OPERATING THE HEATER. FAILURETO FOLLOW THESE INSTRUCTIONS CANRESULT IN PERSONAL INJURY OR DEATH.

WARNING: ALLOW THE HEATER ASSEMBLY TOCOOL BEFORE PERFORMING A COMPONENT

INSPECTION/REPAIR/REPLACEMENT. FAILURE

TO FOLLOW THESE INSTRUCTIONS CAN

RESULT IN PERSONAL INJURY OR DEATH.

CAUTION: When using a powered exhaustventilation system, do not attach the exhaustventilation hose directly to the heater’sexhaust pipe. Too much suction can preventheater operation.

When using a powered exhaust ventilat ion sys-

t e m , a f f ix t h e ve n t i la t io n h o se t o t h e h e a t e r ’s e x -

ha ust pipe or to th e vehicle in such a ma nor tha t th e

end of the ventilat ion hose remains approximately

t h r ee i n ch es a w a y f r om t h e en d of t h e h ea t e r ’s

exhaust pipe.

When using a non-powered exhaust ventilat ionsy st e m , a f f ix t h e ve n t i la t io n h o se d ir e ct ly t o t h e

heater’s exhaust pipe.

3.3. 2.3 SYSTEM DIAGNOSTICS

CAUTION: Always Perform The HeaterPre-Test (In The Diagnostic Procedures) PriorTo Performing Any Other Test For The TestResult To Be Valid.

F a u l t d et e ct i on i s t h r ou g h s t or ed D i a g n os t ic

Trouble Codes (DTCs). D TCs ar e displa yed by the

D R B I I I. The hea ter’s control unit will st ore up to

five DTCs in its memory. If the control unit detects

a n e w f a u lt in t h e sy st e m , o n e t h a t is n o t a lr e a d y

stored in its memory, it will clear the oldest of the

f ive st o r ed D TCs, a n d i t w ill s t o r e t h e n e w f a u lt ’s

DTC. If the control unit detects a reoccurrence of a

stored fault , i t will overwrite that fault ’s DTC withthe most recent occurrence.

DIAGNOSTIC TIPS

SENSOR VALUES

Operating VoltageThe norma l ra nge for the Operat ing Voltage is from

10 volts to 15 volts. The value indicates the voltage

a t t h e h e a t e r ’s F u se d B + t e r m in a l .

Heating CapacityThe normal range for the heating capacity is from

0% to 100%. The value indicat es the momenta ry

output of the a uxiliary heater in %of the ma ximum

output.

Coolant TemperatureThe va lue indicat es th e current coolant tempera-

ture.

Flame Sensor ResistanceThe normal range for the Flame Sensor is from 750

ohms to 2270 ohms. The value indicates the mo-

mentary resistance of the Flame Sensor.

INPUT/OUTPUT STATUS

Dosing PumpA sta tus of ON in d ica t e s t h a t t h e D o sin g P u m p is

operational. A stat us of OF F indicat es the D osing

Pump is not operational.

Glow PinA s t a t u s o f ON in d ica t e s t h a t t h e G l ow P i n i s

energized. A sta tus of OF F indicates the Glow P in

is not energized.

Combustion FanA s t a t u s of ON indicates tha t the Combustion Fa n

i s op er a t i on a l . A s t a t u s of OF F in d ica t e s t h eCombustion Fan is not operational.

Circulation PumpA s t a t u s o f ON i n di ca t e s t h a t t h e C i r cu la t i on

P ump is opera tional. A sta tus of OF F indicat es the

Circulation Pump is not operational.

Front End BlowerA sta tus of ON indicates that the Blower Motor is

operational. A sta tus of OF F indicat es the B lower

Motor is not operational.

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Static Heater SignalA st a t u s o f ON in d ica t e s t h a t t h e h e a t e r m o du le

sees t he Stationary Heating Mode ON s ig n a l a f t e r

switching on the heat er with t he heater t imer or the

auxiliary hea ter sw itch. A sta tus of OF F indicates

t h a t t h e St a t io n a r y He a t in g Mo d e O N s ig n a l is

not present at the heater module.

Heater Booster Mode SignalA st a t u s of ON in d ica t e s t h a t t h e h e a t e r m o du lese e s t h e He a t e r B o ost e r Mod e O N s i g n a l a f t e r

sw it ch in g o n t h e h e a t e r w it h t h e a u x il ia r y h e a t e r

sw it ch . A st a t u s of OF F in d ica t e s t h a t t h e He a t e r

B o ost e r Mod e O N s ig na l i s n ot pr es en t a t t h e

heater module.

3.4 INSTRUMENT CLUSTER

The Inst rument Cluster h as easy-to-read instru-

ments, is capable of CAN bus communication and

p r ovid es a d ia g n ost ic f u n ct ion . Th e I n st r u m e n t

Cluster with an alog speedometer, ta chometer, fueland coolant temperature gauges comes in two ver-

sions.

• Speedometer with outer miles-per-hour (mph)

sca le a nd inn er kilomet ers-per-hour (km/h) scal e.

Co ola n t t e m pe r a t u r e is in d ica t e d in F a h r e n h e it

(for US).

• Sp ee d om e t er w it h ou t e r k i lom e t er s-p er -h ou r

(km/h) scale an d inner miles-per-hours (mph)

sca le . C oola n t t e m pe r a t u r e is in d ica t e d in d e -

grees C elsius (for Ca na da).

B e low t h e sp e ed om e t er , t h e r e is a L CD m u lt i-

function indicator in clear view of the driver. Warn-

in g a n d in d ica t or l igh t s (ba se d on color e d l ig h t

e m it t in g d io d e s) a r e lo ca t e d in t h e bo t t o m o f t h e

in st r u m en t clu st er w it h t h e e xce pt ion of t h e t u r n

sig n a l in d ica t o r l ig h t s , ASR w a r n in g l ig h t a n d r e -

serve fuel wa rning light . The wa rning lights for the

seat belt usa ge and pa rking bra ke/bra ke fluid level

are located in the line above the bottom line. The

i n di ca t o r t h a t i ll um i n a t es u p w h en t h e p a r ki n g

br a k e is a p p lie d o r t h e br a k e f lu id le ve l is lo w is

d iff er e n t f or U .S. a n d C a n a d a .

When the key is turned to the 2nd position in the

ig n it ion , t h e f u n ct ion of t h e f ol low in g in d ica t or

l ig h t s is ch e ck e d a u t o m a t ica l ly : Hig h B e a m O N ,P reheating, airba g ma lfunction. In case of a broken

L ED o f t h e a ir ba g m a lf u n ct io n l ig h t , t h e se a t be lt

u sa g e w a r n in g l ig h t w il l f la sh f o r 6 se co n d s a f t e r

t h e f u n ct ion ch e ck is f inish ed . Th e I n st r u m e n t

C l u st e r i s op er a t e d w i t h t h e h el p o f 4 b u t t on s

loca ted below t he mult ifunction indicat or. The ba ck-

l ig h t in g f or t h e i n st r u m en t cl us t er u s es y el low

LED’s and can be adjusted electronically to daylight

a n d d a r k n e ss.

Th e i ns t r um en t cl us t er i ncl ud es a w a r n in g

buzzer, which sounds (in addition to a warning light

in some cases) when:

• Th e h e a d ligh t s a r e on w it h t h e ig n it ion of f a n d

the door opened.

• Th e d r iver ’s se a t belt is n o t f a st e n ed w it h t h e

ignition on.

•

The key is in the ignit ion a nd the door is open.• Crit ical ASSYST information is displayed in the

multifunction indicator.

3. 5 POWER DOOR LOCKS/RKE

3. 5. 1 CENTRAL LOCKING

Th e Ce n t r a l L ockin g Sy st e m locks a l l veh icle

d oor s i f a n y d oor i s l ock ed f r om t h e i n si de or

mecha nically locked w ith the key from the outside.

However, unlocking any door, in that manner, will

only unlock tha t particular door. The Ma ster Door

L o ck Sw it ch o n t h e d a sh e n a ble s t h e o p e r a t o r t o

lock/unlock a ll doors. B y pressing the top of t he

rocker type sw itch once, a ll doors w ill lock. Pr essing

the switch again will unlock all doors. Pressing the

low e r p a r t of t h e sw it ch o n ce w ill lock a l l d oor s

e xcep t t h e d r iver d oor. P r e ssin g t h e low e r p a r t

a ga in w ill unlock a ll doors except t he driver door. If

the Central Locking System automatically unlocks

a f t e r t h e v e h i c l e w a s a t t e m p t e d t o b e l o c k e d , a t

least one door is not properly closed.

There are tw o LED indicat ors in the Ma ster D oor

Lock Sw itch. The left indica tor is for th e driver door

a n d t h e r ig h t in d ica t or is f or a l l p a ssen g er /ca r g odoors. These will indicate if a door is a jar or if the

doors are locked. The door ajar switches are part of

t h e d o or lock m o t or a n d a r e m ou n t e d in t h e d oor

latch assembly.

Inside each door lock motor there is a command

sw it ch . Th e com m a n d sw it ch is op er a t e d by t h e

p lu n g er a n d sig n a ls a n y ch a n g e in t h e lock st a t u s,

locked or unlocked. Each command switch is wired

t o t h e Ce n t r a l Tim er Mod u le (CTM) som e t im e s

r e f e r r e d t o a s t h e Ce n t r a l L o ck in g Mo d u le . I f a l l

doors a re closed a nd a re unlocked, and an y door is

lock ed by t h e k ey or t h e in t e rior h a n d le , t h e r e by

c h a n g i n g t h e c o m m a n d s w i t c h , a l l d o o r s w i l l b elocked. If one of the door lock motors does not reach

the end position after a locking command, it will be

d et e ct e d b y t h e C TM (com m a n d s w i t ch n ot i n

Locked position) and the vehicle will be unlocked.

3. 5. 2 REM OTE KEYLESS ENTRY (RKE)

Th e S K REE M is a com bin a t ion of t h e Re m ot e

K e y le ss En t r y Mo d u le a n d t h e SK I M (Se n t r y K e y

Immobilizer Module). I t is located behind the In-

st r u m e n t Clu st e r a n d h a s a n a n t e n n a t h a t g oe s u p

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th e A-pillar. The S KR EE M receives ra dio messa ges

f r om t h e R K E t r a n s m i t t er (f ob ) a n d s en d s com -

ma nds via the RKE Int erface circuit t o the CTM. If

t h e veh icle is e q u ip pe d w it h VTSS, t h e Se cu r it y

System Module will be connected in series between

t h e SK REEM a n d t h e CT M.

Confirmation of t he RK E Lock/Un lock sta te is

a ccomplished via the tu rn signa ls. When th e vehicle

is locke d via RK E t h e t u r n sig na ls w il l f la sh t h r e et i m es . Wh en i t i s u n lock ed v ia R K E , t h e t u r n

signals will f lash one t ime. If the vehicle has been

unlocked via RKE an d no door is opened within 40

se con d s, t h e e n t ir e ve h icle w il l be locke d a g a in

automatically.

If a transmitter (fob) is operated more than 255

times in succession beyond the ra nge of the receiver

(SKREEM), the RKE portion of the key will become

inoperat ive. In order to put it ba ck in synchroniza-

t i on i t w i ll b e n e ce ss a r y t o h a v e AL L t h e ot h er

t r a n sm it t e r s t h a t a r e u se d w it h t h is ve h icle a va i l-

able and follow the following procedure:

1. Cycle the ignit ion on and off 2 t imes within 6seconds (leave in off position).

2. Press the lock or unlock button of the disabled

t r a n s m i t t e r w i t h i n 3 s e c o n d s o f t u r n i n g t h e

ignition off.

3. P ress a ny bu tt on (lock or unlock) 3 more times

with in 6 seconds.

4. Wait 10 seconds.

5. Pr e ss a n y bu t t o n o f AL L o t h e r t r a n sm it t e r s

belonging to this vehicle at least once within

the next 20 seconds.

For problems related to the Immobilizer function

of the SKREEM, see Service Information.

3. 5. 3 AUTO DOOR LOCKS

Whenever th e engine is sta rted, t he CTM receives

a message to lock all doors except the drivers door.

This is a ccomplished t hrough t he D+ Relay. The D+

Relay is controlled by the Instrument Cluster which

receives a command from the E CM t ha t t he engine

is running. This relay supplies power to the CTM

(for auto locking), the daytime running lamps and

the rea r w indow defogger.

3. 5. 4 ACCIDENT RESPONSE

Th e C TM i s h a r d w i r ed t o t h e A ir b a g C on t r olMod u le t h r o ug h t h e En h a n ced Accid en t Re por t

D r i ve r ci r cu it . An y t i me t h e v eh i cl e a i r b a g s a r e

d ep loy ed , t h e C TM w i l l u n lock a l l d oor s a n d a

C r a s h DTC will be st ored in memory. The door

locks will be inopera tive unt il tha t code is clea red. If

t h e veh icle is se ve r ly ja r r e d , bu t n ot e n ou g h t o

deploy the airbags, it is possible that the DTC could

be set an d therefore t he door locks would be inop-

e r a ble . Wh e n eve r t h e d oor locks a r e n ot op er a -

tional, use the D RB III an d check DTC’s . I f

2006 sprinter body

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