electric huyndai
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4 -3
GROUP 2 ELECTRICAL CIRCUIT
4 -4
1. POWER CIRCUIT The negative terminal of battery is grounded to the machine chassis through master switch.When the start switch is in the OFF position, the current flows from the positive battery terminal asshown below.
OPERATING FLOWBattery Battery relay Fusible link CN-60(1)
Fuse box(No.11) I/conn CN-1(8) Start switch CS-2(1)Fuse box(No.12) I/conn CN-2(17) I/conn CN-6(4) Room lamp CL-1(2)
Cassette radio CN-27(7)Fuse box(No.13) CPU controller CN-53(3)Fuse box(No.14) I/conn CN-2(3) Flasher unit CR-11(2)
I/conn : Intermediate connector
CHECK POINT
4 -5
Engine Start switch Check point Voltage
OFF OFF
- GND(Battery 1EA)
- GND(Battery 2EA)
- GND(Battery 2EA)
- GND(Fusible link)
10~12.5V
20~25V
20~25V
20~25V
GND : Ground
1)
2)
POWER CIRCUIT
4 -6
FUSE BOX
BATTERY RELAYMASTER SW
CASSETTE RADIO
START KEY SW
3
4
21
_ + _ +
ROOM LAMP
CPU CONTROLLER
CN-6
CL-1
CN-27
CS-2
CN
-60 C
R-1
CN
-53
CN-36
CN
-1
CN
-2
FLASHER UNIT
CR-11
2. STARTING CIRCUIT
OPERATING FLOWBattery(+) terminal Battery relay(M8, B+ terminal) Fusible link CN-60(1)
Fuse box(No.11) I/conn CN-1(8) Start switch CS-2(1)
When start key switch is in ON positionStart switch ON CS-2(2) I/conn CN-1(7) Battery relay M4 terminal
Battery relay operating(All power is supplied with the electric component)Start switch ON CS-2(3) I/conn CN-1(6) Fuse box(No.4) I/conn CN-3(5)
Fuel cut-off CN-79(1)
When start key switch is in START positionStart switch START CS-2(5) I/conn CN-1(5) Start safety relay CR-5(2) (4)
I/conn CN-5(2) Start relay CR-23(1)
CHECK POINT
4 -7
(1)
(2)
Engine Start switch Check point Voltage
OPERATING START
- GND(Battery)
- GND(Start key)
- GND(Battery relay M4)
- GND(Start B+)
- GND(Start M)
- GND(Start relay)
- GND(Battery relay M8)
20~25V
GND : Ground
2)
1)
STARTING CIRCUIT
4 -8
MASTER SW BA
TT
RY
CPU CONTROLLER
FUEL CUT OFF
1
7
3
_ + _ +
CN-51
CN-79
CN
-60
DO
-1
CR
-1
FUSE BOXCN-36
CN-3
START KEY SW
STARTER
START RY
ALTERNATOR
5
CR-23
CN-45
M
CN-74
4
CN-5
CN-7
CN-8
6
START SAFETY RY
CR-5
CN
-1
CN
-2
MULTI-FUCTION SW
CS
-13
DO
-3
DO
-2
CS-2
2
3. CHARGING CIRCUITWhen the starter is activated and the engine is started, the operator releases the key switch to the ONposition.Charging current generated by operating alternator flows into the battery through the Batteryrelay(CR-1).The current also flows from alternator to each electrical component and controller through the fusebox.
OPERATING FLOW
Warning flowAlternator "I" terminal I/conn CN-5(4) CPU Alternator power level CN-50(5)
Cluster charging warning lamp
Charging flowAlternator B+ terminal Battery relay(M8) Battery(+) terminal
CHECK POINT
4 -9
2)
(1)
(2)
Engine Start switch Check point Voltage
RUN ON
- GND(Battery voltage)
- GND(Battery relay)
- GND(Alternator B terminal)
- GND(Alternator I terminal)
20~30V
GND : Ground
1)
CHARGING CIRCUIT
4 -10
CPU CONTROLLER
STARTER
START RY
ALTERNATOR
CLUSTER
43
CN
-9C
N-5
6
CR-23
CN-51
CN-45
CN-74
MASTER SW
BA
TT
RY
1
2_+
_+
CN
-60 C
R-1
DO
-3
M
FUSE BOXCN-36
CN-5
CN-50
5
CN
-1
4 -11
4. HEAD LIGHT AND CLEARANCE LAMP CIRCUIT
OPERATING FLOWFuse box(No.6) I/conn CN-1(4) Main light switch CS-21(4)
l/conn CS-12(1) RH multifunction switch(lG)passing function operating by RH multifunction up and down.
Main light switch ON : 1st stepMain light switch ON CS-21(5) Switch indicator lamp ON CS-21(9)
I/conn CN-2(12)Cluster illumination lamp ON CN-52(4)Fuse box(No.19) LH clearance lamp ON
Rear : CL-15(1), Front : CL24(1)Fuse box(No.20) RH clearance lamp ON
Rear : CL-16(1), Front : CL25(1)Number plate lamp ON CL-21(2)
Main light switch ON : 2nd stepMain light switch ON CS-21(2) I/conn CS-12(2) orRH multifunction switch : LoI/conn CS-12(4) Head light low beam ON CL-3(1), CL-4(1)RH multifunction switch :HiI/conn CS-12(6) Head light low beam ON CL-3(2), CL-4(2)
CHECK POINT
(1)
(2)
Engine Start switch Check point Voltage
STOP ON
- GND(Fuse box)
- GND(Switch power input)
- GND(Switch power output)
- GND(Switch power output)
- GND(Switch power input)
- GND(Head lamp)
- GND(Clearance lamp)
- GND(Numberplate lamp)
20~25V
GND : Ground
2)
1)
4 -12
HEAD LIGHT AND CLEARANCE LAMP CIRCUIT
4
MAIN LIGHT SW
FUSE BOXCN-36
CN-1
MULTI-FUNCTION SW
CN-2
HEAD LAMP
CL-
3
HEAD LAMP
CL-
4
FRONT COMBI RH
REAR COMBI RH
REAR COMBI LH
CL-25
CL-16
CL-15
FRONT COMBI LH
CL-
24
NUMBERPLATE LAMP
CL-21
CS
-21
CS
-12
1
2
3 5
6
7
8
CLUSTER
CN
-52
7
4 -13
5. WORK LAMP CIRCUIT
OPERATING FLOWFuse box(No.9) I/conn CN-1(23) Work light switch CS-36(5)
Work light switch CS-36(6)
When work light switch ONWork light switch ON CS-36(1), (2) I/conn CN-1(24) Cluster work lamp ON CN-52(8)
I/conn CN-10(2)Work light ON CL-5(2), CL-6(2)
Switch indicator lamp ON CS-36(9)
CHECK POINT
Engine Start switch Check point Voltage
STOP ON
- GND(Fuse box)
- GND(Switch power output)
- GND(Switch power input)
- GND(Cluster work lamp)
- GND(Work lamp)
20~25V
GND : Ground
2)
1)
4 -14
WORK LAMP CIRCUIT
FUSE BOXCN-36
CN-1
WORK LAMP SWITCH
CN-10 CL-6
CL-5
WORK LAMP
CLUSTER WORK LAMP
CS
-36
CN
-52
1
32
4
5
5
4 -15
6. BEACON LAMP CIRCUIT
OPERATING FLOWFuse box(No.8) I/conn CN-1(30) Beacon lamp switch CS-23(2)
When Lamp switch ONBeacon lamp switch ON CS-23(6) Switch indicator lamp ON CS-23(9)
I/conn CN-6(6) I/conn CN-14(3)Beacon lamp ON CL-7
CHECK POINT
Engine Start switch Check point Voltage
STOP ON
- GND(Fuse box)
- GND(Switch power input)
- GND(Switch power output)20~25V
GND : Ground
2)
1)
4 -16
BEACON LAMP CIRCUIT
BEACON LAMP
CN
-14
CL-
7
CN
-6
FUSE BOXCN-36CN-1BEACON LAMP SW
CS
-23
132
44
4 -17
7. WIPER AND WASHER CIRCUIT
OPERATING FLOW
Fuse box CN-36(No.10) Inter wiper relay CR-6(4)Wiper relay CR-4(2), (4)Washer tank CN-22(2)I/conn CN-2(14) I/conn CN-6(2) I/conn CN-13(3)Wiper motor CN-21(3)
Washer switch ONWasher switch ON CS-11(2) (1) I/conn CN-2(8)
Inter wiper relay CR-6(1) (3) I/conn CN-2(5)Wiper switch CN-11(7) (5),(6) I/conn CN-2(9)Wiper relay CR-4(6) (1) I/conn CN-2(13)I/conn CN-6(1) I/conn CN-13(1) I/conn CN-21(1)
Wiper motor operatingWasher tank CN-22(2) (1) Washer operating
Wiper switch ON : INT PositionWiper switch ON CS-11(2) (4) I/conn CN-2(2) Inter wiper relay CR-6(6) (4),
CR-6(4) (3) ON/OFF I/conn CN-2(5) Wiper switch CS-11(7) (5)I/conn CN-2(9) Wiper relay CR-4(6) (1) I/conn CN-2(13)I/conn CN-6(1) I/conn CN-13(1) I/conn CN-21(1)Wiper motor intermittently operating
Wiper switch ON : Low and Hi PositionWiper switch ON CS-11(2) (5) or (6) I/conn CN-2(9) Wiper relay CR-4(6) (1)
I/conn CN-2(13) Wiper switch CN-6(1) I/conn CN-13(1)I/conn CN-21(1) Wiper motor operating
Auto-parking(When switch OFF)Wiper motor CN-21(1) OFF Fuse box CN-36(No.10) I/conn CN-2(14)
I/conn CN-6(2) I/conn CN-13(3) Wiper motor CN-21(3) (4)Wiper motor stop
CHECK POINT
1)
2)
(1)
(2)
(3)
(4)
Engine Start switch Check point Voltage
STOP ON
- GND(Fuse box)
- GND(INT wiper relay)
- GND(INT wiper RY washer output)
- GND(INT wiper RY INT power output)
- GND(INT wiper RY power input)
- GND(INT power RY INT output)
- GND(Relay power input)
- GND(Relay coil)
- GND(Relay output)
- GND(Wiper power input)
- GND(Wiper motor)
20~25V
GND : Ground
4 -18
WIPER AND WASHER CIRCUIT
CN-2
MULTI-FUNCTION SW
CS
-11
WASHER TANK
WIPER RELAY
INTER WIPER RELAY
WIPER MOTOR
CN-21 CN-13
CN-6
FUSE BOXCN-36
CR-6
CR-4
CN-22
1
4
5
10
10
3
2 9
67
81011
4 -19
CONTROLLER CIRCUIT
CPU CONTROLLER
CN-53
CN-52
CN-51
CN-50
FUSE BOXCN-36
CN
-47
CN-76
CN-3
CD
-17
TACHO SENSOR
DC MOTOR
CS-7
CN-75
RESISTOR
PROLIX SW
EPPR VALVE
4 -20
CPU CONTROLLER
BREAKER SW
PEDAL
CS
-26
CS
-27
SAFETY SW
CS-4
ARM HALF SW
CS
-50
CS
-25
DZR/OUTRIGGER SELECT SW
CS
-29
POWER MAX
CS
-67
QUICK COUPLING SW
MULTI-FUNCTION SW
CS
-13
CN-1
CN-2
SAFETY SOL REV SOL FWD SOLARM HALFSOLENOID
DOZERO/RIGGERSOL
CN
-68
CN
-123
CN
-122
CN
-89
CN
-72
CN
-36
FUSE BOX
CN
-53
POWER MAX
CN
-88
TRAVEL
CN
-70
QUICK COUPLING
CN-15 CN-140
BACK-UP RELAYBREAKER SOLBACK BUZZER
CN
-65
CN
-66
CR
-30
CN
-50
ELECTRIC CIRCUIT FOR HYDRAULIC
4 -21
h
HOUR METER
CPU CONTROLLER
CN-1
CN-2
CN-48
CLUSTER
CN-9 CN-56
CN
-36
FUSE BOX
CN
-53
CN
-51
CN
-50
HYD TEMP
FUEL SENDER
CD-1
CD-2
WATER TEMP
CD-8
ENG OIL PS
CD-18
WATER LEVEL
CD
-16
CN-5
CN-3
MONITORING CIRCUIT
4 -22
CN-2
CPU CONTROLLER
CN-1
CN
-36
FUSE BOX
CN
-53
CN
-51
CN
-50
HAZARD SW
PARKING SW
RAMLOCK SW
CS-18
CS-17
CS-41
CS-15
MULTI-FUCTION SW
CS
-12
WARNING INDICATOR
CN-64
CN-63
RAM LOCK PARKING
WORKING BRAKE
CD-38
CN
-69
CN
-71
BRAKE PS T/M PS
CD
-3
CD
-5
INDICATOR CIRCUIT
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