1 advanced scan tool diagnostics steve zack jim wilson
TRANSCRIPT
![Page 1: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/1.jpg)
1
Advanced Advanced Scan Tool DiagnosticsScan Tool Diagnostics
Steve Zack Jim WilsonSteve Zack Jim Wilson
![Page 2: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/2.jpg)
2
CANController Area Network
![Page 3: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/3.jpg)
3
Controller Area NetworkController Area Network
• Primary purpose is to network vehicle control module using a Standard protocol– Reduces redundant sensors and or wiring
(multiplexing)• reducing weight and increasing reliability
– Using serial data bus to transfer data• Allowing for reliable multiple processor instead of one
unreliable large one
![Page 4: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/4.jpg)
4
Modes Of Communication
![Page 5: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/5.jpg)
5
OBD II Modes
• MODE 1– Request For Current Power train
Diagnostic Data• MODE 2
– Request for Freeze Frame Data• MODE 3
– Request for the Emission Related Trouble Codes
![Page 6: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/6.jpg)
6
OBD II Modes
• MODE 4– Request to Clear/Reset Diagnostic
Trouble Codes
• MODE 5– Request Oxygen Sensor Monitoring
Test Results
![Page 7: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/7.jpg)
7
OBD II Mode 6 and 7
• MODE 6– Request for the latest on-board
monitoring test results for non-continuous test results
• MODE 7– Request for the latest on-board
monitoring test results for continuous monitoring systems
![Page 8: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/8.jpg)
8
Mode 8 and 9• Mode 8
– Request control of a On-Board System, Test, or Component
• Mode 9– Request for Vehicle Identification
Number and Calibration IDs
![Page 9: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/9.jpg)
9
Mode 6
![Page 10: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/10.jpg)
10
Mode 6 Example EGR Monitor
• The PCM will compare test from a Hexadecimal chart
Test ID Description Test Value Test Limit1 2 3 4Min 5Max 6Min 7Max
41 EGR ? ? ? ?
![Page 11: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/11.jpg)
11
• Before the monitor test begins the following must be completed– Engine at operating temperature– 3 minutes since start up– RPM at specified spec– MAP voltage at specified spec– TPS at specified spec– Vehicle speed at specified spec– STFT at a given minimum level
EGR Monitor
![Page 12: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/12.jpg)
12
EGR Monitor
• PCM monitors by change in Short Term Fuel Trim– During operation of the EGR system the PCM will
momentarily shut down the EGR solenoid– As a result EGR flow stops and a lean condition
occurs– HO2S voltage will drop– STFT sees HO2S voltage drop and increases IPW
– The PCM monitors STFT and EGR monitor is complete & Ready
![Page 13: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/13.jpg)
13
Diagnostics With Mode 6 & 7
• Emission Test Failure or Readiness Monitor– Readiness Status– First checking for pending codes– Next review Datastream for errors– Perform Bi-directional test where applicable– Make repairs– Perform drive cycle to verify
![Page 14: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/14.jpg)
14
Diagnostics With Mode 6 & 7
• MIL on – Check Diagnostic Trouble Code– Next review Datastream for errors– Perform Bi-directional test where
applicable– Make repairs– Perform drive cycle to verify– Verify Readiness Status
![Page 15: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/15.jpg)
15
Datastream Diagnostics
![Page 16: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/16.jpg)
16
Data Stream DiagnosticsFuel Trim Data
Test Results Rich Test Results Good Test Results LeanO2 Rich Signal O2 Lean Signal
PCM Commands Lean PCM Commands RichBLM
0 128 255OBD II
-100% 0% 100%Voltage
0.0 V 2.5 V 5.0 V
![Page 17: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/17.jpg)
17
Fuel Trim
Idle Test Results 2500 RPM Test Results Possible CauseRich Ideal Vacuum LeakIdeal Rich Low Fuel VolumeRich Rich Low Fuel PressureLean Ideal Contaminated Crank CaseLean Lean Leaking Injectors
![Page 18: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/18.jpg)
18
Fuel Trim
![Page 19: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/19.jpg)
19
IAC Counts High
• Spec 10 to 30• High IAC counts
– LTFT over +10– MAP normal .8 to
1.5 Idle• Check ignition• Dirty intake valves,
Injectors, or Throttle plates
• Leaking EGR • Check fuel pressure
and volume
• Spec 10 to 30• IAC Counts High over 40
– LTFT over +10– MAP sensor high or MAF
sensor low <5• Sticking IAC• Dirty intake valves,
Injector, or Throttle plates
• Check fuel pressure and volume
• Low Manifold pressure or compression problems
• IAC motor stuck open
![Page 20: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/20.jpg)
20
Temperature Sensors
![Page 21: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/21.jpg)
21
TPS Low Voltage Code
• 1) KOEO• 2) Closed Throttle
– Wiggle throttle shaft• If voltage varies a few tenths of a volt
– Throttle body is worn
• If not verify 5 volt reference and ground
![Page 22: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/22.jpg)
22
TPS Quick SpecsGM Throttle Body Injection
.55 to .75 volts=0% closed
Cold / Warm
GM Port Fuel Injection
.29 to .58 volts=0% closed cold.4 to .58 volts closed=0% warm idle running
Ford .8 to 1 volt
Wide Open Throttle 4.3 minimum
Chrysler .6 to 1.1 voltsWide Open Throttle 2.6 volts above stored minimum TPS
![Page 23: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/23.jpg)
23
GM MAP Sensors
Vacuum Voltage Scan Data
0” 4.5-4.7 V 29-30”
3” 4.0-4.2 V 26-27”
6” 3.5-3.7 V 23-24”
9” 3.0-3.2 V 20-21”
12” 2.5-2.7 V 17-18”
15” 2.1-2.3 V 14-15”
18” 1.5-1.7 V 11-12”
21” .9-1.1 V 8-9”
![Page 24: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/24.jpg)
24
GM/Chrysler BARO Readings
Altitude Baro Pressure
Voltage
0-1000’ 29-30” 4.5-4.8 V
1000 to 2000’
28-29 4.3-4.5 V
2000 to 3000’
27-28” 4.1-4.3 V
3000 to 4000’
26-27” 3.9-4.1 V
4000 to 5000’
25-26” 3.8-4.0 V
![Page 25: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/25.jpg)
25
Chrysler MAPVacuum Voltage Scan Data
0” 4.5-4.8 V 29-30”
3” 4.0-4.2 V 26-27”
6” 3.5-3.7 V 23-24”
9” 3.0-3.2 V 20-21”
12” 2.5-2.7 V 17-18”
15” 2.1-2.3 V 14-15”
18” 1.5-1.7 V 11-12”
21” .9-1.10 V 8-9”
![Page 26: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/26.jpg)
26
Ford MAP Sensors
Vacuum Frequency in HZ
0” 159 Hz
3” 150 Hz
6” 141 Hz
9” 132 Hz
12” 123 Hz
15” 114 Hz
18” 105 Hz
21” 96 Hz
![Page 27: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/27.jpg)
27
FORD BARO Readings
Altitude Vs. Frequency0-1000’ 29-30” 159-163 Hz
1000-2000’ 28-29” 153-157 Hz
2000-3000’ 27-28” 150-153 Hz
3000-4000’ 26-27” 147-153 Hz
4000-5000’ 25-26” 144-150 Hz
![Page 28: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/28.jpg)
28
MAP High Voltage Code
• 1) KOER• 2) Measure Engine Vacuum at idle
– Vacuum should be at spec approximate 18 in hg•If low verify
–Cam to crank timing–Vacuum leak–Enriched fuel condition cause
![Page 29: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/29.jpg)
29
Cylinder Misfire Testing
![Page 30: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/30.jpg)
30
Catalyst Efficiency Monitor
Pre-HO2S Post-HO2SUpstream HO2S Downstream HO2S
S1 S2
800 mv
450 mv
200 mv
470 mv
450 mv
430 mv
![Page 31: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/31.jpg)
31
GM CODES• Malfunction Indicator Light Codes• Hard codes• History Codes• Failure Since Clear• Failure records• Pending codes• Freeze frame
![Page 32: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/32.jpg)
32
ChryslerChrysler• Switch Tests• OBD2 • Enable/Disable Tests• Idle Air Control Tests• Actuator Test Mode• Drive Cycle
![Page 33: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/33.jpg)
33
FORD TestsFORD Tests• Output State Tests
• Cylinder Balance Test
• Ford OBD2– Output Controls
• Hi speed Fan On• Low Speed Fan On• All Outputs On
• Drive Cycle
![Page 34: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/34.jpg)
34
GM OBD2 GM OBD2 Bi-Directional ControlsBi-Directional Controls
• Crankshaft Relearn• EVAP/EGR Controls
– Canister Purge Solenoid– Canister Vent Solenoid– EGR Control– EVAP Service
• Fuel System Controls– Fuel Pump Relay– Injector Disable– Fuel Closed Loop– Fuel Trim Reset
![Page 35: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/35.jpg)
35
GM OBD2 GM OBD2 Bi-Directional Controls Bi-Directional Controls
• Engine Indicator Lamps
• Transmission Controls
• Transmission Lamps
• Accessory Controls
• Readiness Status
• O2 Tests
• Drive cycles
![Page 36: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/36.jpg)
36
SCAN • Is the scan tool giving good information?• Does the sensor data match what the
voltmeter or lab scope displays?• Will the bi-directional confirm a
problem?• Does the command that the computer
uses make sense?• Always check grounds with a DVOM
because of sensor data allocation data.• Always check Voltage reference supply
to sensors.• Do sensors move in reaction to others?
![Page 37: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/37.jpg)
37
DRIVE CYCLE ENABLE CRITERIAGeneral Motors
![Page 38: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/38.jpg)
38
GENERAL MOTORS• A/C REFRIGERENT
– STEP 1• COLD START ECT LESS THAN 5O DEGREES C, WITH A/C AND REAR
DEFROST ON, IDLE 2.5 MINUTES IN DRIVE. BEFORE PROCEEDING TURN ACCESSORIES OFF
– STEP 2 • ACCELERATE TO 55 MPH, 1/2 THROTTLE, A/C OFF
– STEP 3• 3 MININUTE STEADY STATE CRUISE 55 AND 60 MPH
– STEP 4• DECELERATE TO 20 MPH (CLUTCH OUT) NO BRAKE
– STEP 5• ACCELERATE AT 3/4 THROTTLE 55 TO 60 MPH, THEN STEADY STATE
CRUISE FOR 5 MINUTES– STEP 6
• DECELERATE NO BRAKE, END OF CYCLE
![Page 39: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/39.jpg)
39
GENERAL MOTORS• AIR SYSTEM
– STEP 1• COLD START LESS THAN 50 DEGREES C, WITH A/C AND
REAR DEFROST ON, IDLE 2.5 MINUTES IN DRIVE. BEFORE PROCEEDING TURN ACCESSORIES OFF
– STEP 2• 3 MINUTE STEADY STATE CRUISE 55 AND 60 MPH
![Page 40: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/40.jpg)
40
GENERAL MOTORS• CATALYST MONITOR
– STEP 1• VERIFY ALL OTHER IM FLAGS SET FIRST
– STEP 2• ACCELERATE AT 3/4 THROTTLE TO 55 TO 60 MPH,
THEN STEADY CRUISE FOR 5 MINUTES
![Page 41: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/41.jpg)
41
GENERAL MOTORS• COMPREHENSIVE COMPONENTS
– STEP 1• COLD START ECT LESS THAN 50 DEGREES C, WITH A/C AND REAR
DEFROST ON, IDLE FOR 2.5 MINUTES IN DRIVE. BEFORE PROCEEDING TURN ACCESSORIES OFF
– STEP 2• ACCELERATE TO 55 MPH, 1/2 THROTTLE, A/C OFF
– STEP 3• 3 MINUTES, STEADY STATE CRUISE 55 AND 60 MPH
– STEP 4• DECELERATE TO 20 MPH (CLUTCH OUT) NO BRAKE
– STEP 5• ACCELERATE AT 3/4 THROTTLE TO 55 TO 60 MPH, THEN STEADY
STATE CRUISE FOR 5 MINUTES– STEP 6
• DECELERATE NO BRAKE, END OF CYCLE
![Page 42: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/42.jpg)
42
GENERAL MOTORS• EGR SYSTEM
– STEP 1• 3 MINUTE, STEADY STATE CRUISE 55 AND
60 MPH– DECELERATE (CLUTCH OUT) NO BRAKE TO
LESS THAN 20 MPH
![Page 43: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/43.jpg)
43
GENERAL MOTORS• EVAP SYSTEM
– STEP 1• VERIFY BOTH O2 AND CATALYST MONITORS HAVE COMPLETED
– STEP 2• IAT WITHIN 7 DEGREES OF ECT
– STEP 3• COLD START ECT LESS THAN 50 DEGREES C, WITH A/C AND REAR DEFROST ON.
IDLE 2.5 MINUTES IN DRIVE. BEFORE PROCEEDING TURN ACCESSORIES OFF– STEP 4
• ACCELERATE TO 55 MPH, 1/2 THROTTLE, A/C OFF– STEP 5
• 3 MINUTE, STEADY STATE CRUISE 55 AND 60 MPH– STEP 6
• DECELERATE TO 20 MPH (CLUTCH OUT) NO BRAKE– STEP 7
• ACCELERATE AT 3/4 THROTTLE TO 55 TO 60 MPH, THEN STEADY STATE CRUISE FOR 5 MINUTES
– STEP 8• DECELERATE NO BRAKE, END OF CYCLE
![Page 44: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/44.jpg)
44
GENERAL MOTORS• FUEL SYSTEM
– STEP 1• ACCELERATE TO 55 TO 60 MPH, 1/2 TO
3/4 THROTTLE, A/C OFF– STEP 2
• ACCELERATE AT 3/4 THROTTLE TO 55 TO 60 MPH, THEN STEADY STATE CRUISE FOR 5 MINUTES
![Page 45: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/45.jpg)
45
GENERAL MOTORS• FULL DRIVE CYCLE
– STEP 1• COLD START ECT LESS THAN 50 DEGREES C, WITH A/C AND REAR
DEFROST ON, IDLE 2.5 MINUTES IN DRIVE. BEFORE PROCEEDING TURN ACCESSORIES OFF
– STEP 2• ACCELERATE TO 55 MPH, 1/2 THROTTLE, A/C OFF
– STEP 3• 3 MINUTE, STEADY STATE CRUISE 55 AND 60 MPH
– STEP 4• DECELERATE TO 20 MPH (CLUTCH OUT) NO BRAKE
– STEP 5• ACCELERATE AT 3/4 THROTTLE TO 55 TO 60 MPH, THEN
STEADY CRUISE FOR 5 MINUTES– STEP 6
• DECELERATE NO BRAKE, END OF CYCLE
![Page 46: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/46.jpg)
46
GENERAL MOTORS• MISFIRE MONITOR
– STEP 1• ACCELERATE AT 3/4 THROTTLE TO 55 TO
60 MPH, THEN STEADY STATE CRUISE FOR 5 MINUTES
![Page 47: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/47.jpg)
47
GENERAL MOTORS• O2 SENSOR
– STEP 1• COLD START ECT LESS THAN 50 DEGREES C, WITH A/C
AND REAR DEFROST ON, IDLE 2.5 MINUTES IN DRIVE. BEFORE PROCEEDING TURN ACCESSORIES OFF
– STEP 2• 3 MINUTE, STEADY STATE CRUISE 55 AND 60 MPH
![Page 48: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/48.jpg)
48
GENERAL MOTORS• O2 SENSOR HEATER
– STEP 1• COLD START ECT LESS THAN 50 DEGREES C, WITH A/C
AND REAR DEFROST ON, IDLE 2.5 MINUTES IN DRIVE. BEFORE PROCEEDING TURN ACCESSORIES OFF
– STEP 2• 3 MINUTES, STEADY STATE CRUISE 55 AND 60 MPH
![Page 49: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/49.jpg)
49
DRIVE CYCLE ENABLE CRITERIAChrysler
![Page 50: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/50.jpg)
50
CHRYSLER CARS• AIR SYSTEM
– STEP 1• ENGINE WARM-UP REQUIRED, LEAVE
ENGINE RUNNING 15 MINUTES– STEP 2
• ENGINE AT IDLE SPEED
![Page 51: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/51.jpg)
51
CHRYSLER CARS• CATALYST MONITOR
– STEP 1• VERIFY ALL OTHER IM FLAGS SET FIRST
– STEP 2• COMPLETE ENGINE WARM-UP CYCLE 6 MINUTES
– STEP 3• ENGINE AT STEADY THROTTLE OVER 20 MPH FOR 2
MINUTES AND 20 SECONDS
![Page 52: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/52.jpg)
52
CHRYSLER CARS• EGR SYSTEM
– STEP 1• COMPLETE AN ENGINE WARM UP
CYCLE 6 MINUTES– STEP 2
• STEADY THROTTLE OVER 40 TO 60 MPH FOR 6 TO 8 MINUTES
![Page 53: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/53.jpg)
53
CHRYSLER CARS• EVAP SYSTEM
– STEP 1 • VEHICLE WITH LEAK DETECTION PUMP SYSTEM
– STEP 2• TEST RUNS IMMEDIATELY AFTER COLD ENGINE STARTUP,
WHILE ENGINE SPEED CONTROLLED BY COLD ENGINE SPEED STRATEGY. TOTAL TEST TIME 3 TO 4 MINUTES (LEAK TEST)
– STEP 3• RUN ENGINE AT IDLE SPEED FOR 3 MINUTES AFTER WARM-UP
(FLOW TEST)– STEP 1
• VEHICLE WITHOUT LEAK DETECTION PUMP– STEP 2
• COMPLETE AN ENGINE WARM-UP CYCLE 6 MINUTES– STEP 3
• RUN ENGINE AT STEADY THROTTLE WITH VEHICLE SPEED OVER 28 TO 48 MPH FOR 1 MINUTE
![Page 54: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/54.jpg)
54
CHRYSLER CARS• FUEL SYSTEM
– STEP 1• COMPLETE AN ENGINE WARM-UP CYCLE 6
MINUTES– STEP 2
• RUN ENGINE AT IDLE OR AT CRUISING SPEED
![Page 55: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/55.jpg)
55
CHRYSLER CARS• FULL DRIVE CYCLE
– STEP 1• WARM ENGINE UP IN CLOSED LOOP FOR 5 MINUTES
– STEP 2• ENGINE AT STEADY THROTTLE FOR 40 TO 60 MPH
FOR 6 TO 8 MINUTES– STEP 3
• RETURN VEHICLE TO IDLE FOR 3 MINUTES– STEP 4
• TURN KEY OFF, PCM RUNS TEST WITHIN 3 MINUTES AFTER KEY IS OFF
– STEP 5• START VEHICLE AND ACCELERATE TO A SPEED
GREATER THAN 20 MPH AND DRIVE AT STEADY THROTTLE FOR 2 MINUTES AND 20 SECONDS
![Page 56: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/56.jpg)
56
CHRYSLER CARS• MISFIRE MONITOR
– STEP 1• COMPLETE AN ENGINE WARM-UP CYCLE 6
MINUTES– STEP 2
• RUN ENGINE AT IDLE OR AT CRUISING SPEED
![Page 57: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/57.jpg)
57
CHRYSLER CARS• O2 SENSOR
– STEP 1•COMPLETE AN ENGINE WARM-UP CYCLE 6 MINUTES
– STEP 2•RUN ENGINE AT OVER 24 MPH, THEN RETURN TO IDLE TO START THE TEST
![Page 58: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/58.jpg)
58
CHRYSLER CARS• O2 SENSOR HEATER
– STEP 1• RUN ENGINE FOR GREATER THAN
5.5 MINUTE PRIOR TO STARTING THE TEST
– STEP 2• TURN KEY OFF, PCM RUNS TEST 3
MINUTES AFTER KEY OFF
![Page 59: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/59.jpg)
59
DRIVE CYCLE ENABLE CRITERIAChrysler Truck
![Page 60: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/60.jpg)
60
CHRYSLER TRUCK• FULL DRIVE CYCLE
– STEP 1• START ENGINE UP COLD AND WARM ENGINE
UP IN CLOSED LOOP FOR 5 MINUTES– STEP 2
• ENGINE AT STEADY THROTTLE FOR 40 TO 60 MPH FOR 6 TO 8 MINUTES
– STEP 3• RETURN VEHICLE TO IDLE FOR 3 MINUTES
– STEP 4• ACCELERATE TO A SPEED GREATER THAN 20
MPH AND DRIVE AT STEADY THROTTLE FOR 2 MINUTES AND 20 SECONDS
![Page 61: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/61.jpg)
61
CHRYSLER TRUCK• O2 SENSOR HEATER
– STEP 1• BEGINS RIGHT AFTER COLD START
UP– STEP 2
• TEST BEGINS AT START UP AND CAN LAST 1 MINUTE
![Page 62: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/62.jpg)
62
DRIVE CYCLE ENABLE CRITERIAFord
![Page 63: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/63.jpg)
63
FORD• AIR SYSTEM
– STEP 1• IAT BETWEEN 40 AND 100 DEGREES F AND ECT
GREATER THAN 130 DEGREES F– STEP 2
• VERIFY O2S MONITOR IS COMPLETE– STEP 3
• DRIVE IN STOP AND GO TRAFFIC FOR 20 MINUTES WITH 4 IDLE PERIODS
– STEP 4• THEN DRIVE AT 45 MPH (+ OR - 5 MPH) FOR 10
MINUTES ( WATCH FOR EVAP COMPLETION), IF NOT DONE DRIVE FOR 2 TO 5 MINUTES MORE
![Page 64: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/64.jpg)
64
FORD• CATALYST MONITOR
– STEP 1• IAT BETWEEN 40 AND 100 DEGREES F AND ECT
GREATER THAN 130 DEGREES F– STEP 2
• MONITOR TO VERIFY CATALYST MONITOR COMPLETES
– STEP 3• START ENGINE AND DRIVE VEHICLE FOR 20 TO 25
MINUTES IN STOP AND GO TRAFFIC IN CLOSED LOOP WITH 6 DIFFERENT STEADY SPEEDS 25 TO 40 MPH
– STEP 4• THEN DRIVE ON HIGHWAY FOR 10 TO 15 MINUTES
WITH NO QUICK ACCELERATION, DECELERATION OR WIDE OPEN THROTTLE EVENTS
![Page 65: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/65.jpg)
65
FORD• COMPREHENSIVE COMPONENT
– STEP 1 • IAT BETWEEN 40 AND 100 DEGREES F AND ECT
GREATER THAN 130 DEGREES F– STEP 2
• PERFORM COMPLETE DRIVE CYCLE UNTIL DTC P1000 IS CLEARED
– STEP 3• DRIVE IN STOP AND GO TRAFFIC FOR 20 MINUTES
WITH 4 IDLE PERIODS– STEP 4
• DRIVE ON HIGHWAY FOR 10 TO 15 MINUTES WITH NO QUICK ACCELERATION, DECELERATION OR WIDE OPEN THROTTLE EVENTS
![Page 66: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/66.jpg)
66
FORD• EGR SYSTEM
– STEP 1• IAT BETWEEN 40 AND 100 DEGREES F AND ECT
GREATER THAN 130 DEGREES F
– STEP 2• MONITOR TO VERIFY EGR MONITOR COMPLETES
– STEP 3• START ENGINE AND DRIVE VEHICLE FOR 5 TO 6
MINUTES IN STOP AND GO TRAFFIC IN CLOSED LOOP WITH GREATER THAN 2 IDLE PERIODS
– STEP 4 • THEN ACCELERATE TO OVER 35 MPH AT OVER 1/2
THROTTLE AND HOLD THAT SPEED FOR GREATER THAN 1 MINUTE
![Page 67: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/67.jpg)
67
FORD• EVAP SYSTEM
– STEP 1• IAT BETWEEN 40 TO 100 DEGREES F AND ECT GREATER
THAN 130 DEGREES F
– STEP 2• MONITOR TO VERIFY EVAP MONITOR COMPLETES
– STEP 3• VERIFY FUEL LEVEL IS FROM 1/4 TO 3/4 FULL, THEN
START ENGINE AND DRIVE ON HIGHWAY FOR 2 MINUTES WITHOUT ANY RAPID ACCELERATION OR DECELERATION
– STEP 4• THEN DECELERATE, STOP VEHICLE AND TURN OFF
ENGINE FOR 5 SECONDS
![Page 68: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/68.jpg)
68
FORD• FUEL SYSTEM
– STEP 1• IAT BETWEEN 40 AND 100 DEGREES F AND ECT
GREATER THAN 130 DEGREES F– STEP 2
• MONITOR TO VERIFY FUEL MONITOR COMPLETES– STEP 3
• START ENGINE AND DRIVE VEHICLE FOR 6 TO 7 MINUTES IN STOP AND GO TRAFFIC IN CLOSED LOOP WITH GREATER THAN 1 IDLE PERIOD
– STEP 4• THEN ACCEL TO OVER 35 MPH AT OVER 1/2 THROTTLE
AND HOLD THAT SPEED GREATER THAN 1 MINUTE
![Page 69: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/69.jpg)
69
FORD• FULL DRIVE CYCLE
– STEP 1 • DRIVE IN STOP AND GO TRAFFIC FOR 20 MINUTES
WITH 4 IDLE PERIODS– STEP 2
• DRIVE ON HIGHWAY FOR 10 TO 15 MINUTES WITH NO QUICK ACCELERATION, DECELERATION OR WIDE OPEN THROTTLE EVENTS
– STEP 3• DECEL AND RETURN TO IDLE, TURN THE KEY OFF
![Page 70: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/70.jpg)
70
FORD• MISFIRE MONITOR
– STEP 1• MONITOR TO VERIFY MISFIRE MONITOR COMPLETES
– STEP 2• START AND DRIVE THE VEHICLE TO A LOCATION
WHERE SPEEDS CAN REACH 65 TO 66 MPH AND COAST DOWN TO 35 MPH WITHOUT BRAKING OR CLOSED LOOP OPERATION
– STEP 3• ACCELERATE ON A HIGHWAY TO 80 MPH AND HOLD
THAT SPEED FOR 30 SECONDS, THEN COAST DOWN WITH FOOT OFF THE ACCELERATOR TO 35 MPH. DO ACCELERATION AND DECELERATION CYCLE 3 CONSECUTIVE TINES
![Page 71: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/71.jpg)
71
FORD• O2 SENSOR
– STEP 1• IAT BETWEEN 40 AND 100 DEGREES F AND ECT
GREATER THAN 130 DEGREES F– STEP 2
• VERIFY O2S MONITOR COMPLETES– STEP 3
• START ENGINE AND DRIVE VEHICLE FOR 6 TO 7 MINUTES IN STOP AND GO TRAFFIC IN CLOSED LOOP WITH GREATER THAN 1 IDLE PERIOD
– STEP 4• THEN ACCELERATE OVER 35 MPH AT OVER 1/2
THROTTLE AND HOLD THAT SPEED FOR GREATER THAN 1 MINUTE
![Page 72: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/72.jpg)
72
FORD• O2 SENSOR HEATER
– STEP 1• IAT BETWEEN 40 AND 100 DEGREES F AND ECT
GREATER THAN 130 DEGREES F– STEP 2
• VERIFY O2S MONITOR COMPLETES– STEP 3
• START ENGINE AND DRIVE VEHICLE 6 TO 7 MINUTES IN STOP AND GO TRAFFIC IN CLOSED LOOP WITH GREATER THAN 1 IDLE PERIOD
– STEP 4• THEN ACCELERATE TO OVER 35 MPH AT OVER 1/2
THROTTLE AND HOLD THAT SPEED FOR GREATER THAN 1 MINUTE
![Page 73: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/73.jpg)
73
DRIVE CYCLE ENABLE CRITERIAGeneric
![Page 74: 1 Advanced Scan Tool Diagnostics Steve Zack Jim Wilson](https://reader038.vdocument.in/reader038/viewer/2022102613/5519e9ea5503469c0b8b468a/html5/thumbnails/74.jpg)
74
GENERIC• ENGINE AT OPERATING TEMPERATURE• START ENGINE IDLE IN NEUTRAL 4 M• IDLE IN DRIVE 40 S• ACCELERATE TO 40 MPH AT 1/4 TO 1/2 THROTTLE 10S• DRIVE STEADY THROTTLE 45 MPH 30S• IDLE IN DRIVE 40S• DRIVE IN CITY TRAFFIC 25 TO 40 MPH 15M INCLUDE
– 5 STOPS TO AN IDLE 10S EACH– ACCELERATE FROM IDLE TO 1/4 TO 1/2 THROTTLE– 3 SEPARATE SPEED STEADY THROTTLE AT 90S
• ACCELERATE TO 45 TO 60 MPH FOR 5M• DRIVE AT STEADY THROTTLE AT 45 TO 60 MPH FOR 5M• DRIVE AT VARYING SPEEDS FOR 5M BETWEEN 45 TO 60• IDLE IN DRIVE 40S