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2. SYSTEM CIRCUIT DIAGRAM
2-1. Electrical Circuit Diagram
1
BATTERY (12V)
1
GROUND
2
BATTERY (24V)
2
REV. PULSE INPUT 2
3
STARTER SWITCH (ACC)
3
FUEL METER
4
REV. PULSE INPUT 1
4
TEMPERATURE METER
5
COMBINATION METER ILLUMINATION
5
LAMP CHECK
6
TURN SIGNAL (R)
6
PARKING BRAKE
7
TURN SIGNAL (L)
7
HYDRAULIC OIL FILTER WARNING
8
SIDE MARKER LAMP
8
ENGINE OIL PRESSUER WARNING
9
FLOOD LAMP
9
CHARGE WARNING
10
WATER SPRAY
10
PREHEATING
REV. RATIO SEL.1 (OPEN)
11
LIQUID SPRAY
11
12
VIBRATOR
12
REV. RATIO SEL.2 (GND)
13
REV. RATIO SEL.3 (OPEN)
COMBINATION METER
14
REV. RATIO SEL.4 (OPEN)
COOLANT TEMP. SEL.1 (OPEN)
SWP12M
15
COOLANT TEMP. SEL.2 (OPEN)
SWP16F
16
2
2B
SHIELD GND A01
2
2B
EGR VALVE(3) A02
047
BR
SCV(1) A03
E10/E30 SCV(-)
216
W
INTAKE THRO.(5) A04
E01 INTAKE THRO.(+)
032
2Y
EGR VALVE(4) A06
045
Gr
SCV(2) A07
E09/E29 SCV(+)
217
L
INTAKE THRO.(6) A08
E21 INTAKE THRO.(-)
041
WB
SENSOR BOOST(1) A09
E77 A-GND4
163
0.5R
INTAKE THRO.(2) A12
V50 A-VCC10
040
Gr
COOLANT TEMP(2) A13
E76 A-GND2
092
0.5R
CAM SHAFT(3) A14
E53 G-VCC
144
0.5W
CRANK SHAFT(3) A15
E52 NE(12)-SIG
219
0.5W
INTAKE THRO.(3) A17
V48 INTAKE THROTTLE
094
0.5R
CRANK SHAFT(2) A18
E72/E75 NE(12)-GND
061
0.5B
CRANK SHAFT(1) A19
044
GW
FUEL TEMP(2) A20
E58 A-GND5
060
Lg
OIL SW(1) A21
V29 OIL-SW
209
0.5B
INTAKE THRO.(4) A22
V65 A-GND11
090
0.5B
CAM SHAFT(1) A23
E73 G-SIG
043
GB
FUEL TEMP(1) A24
E48 FUEL TEMP
061
0.5B
RAIL PRESSURE(1) A26
E13 A-VCC1
066
0.5W
RAIL PRESSURE(2) A28
E49/E68 PFUEL1/2
052
G
INTAKE TEMP(1) A29
E47 INTAKE AIR TEMP
053
L
INTAKE TEMP(2) A30
E56 A-GND1
157
Br
EGR VALVE(1) A31
042
WR
SENSOR BOOST(2) A33
E67 BOOST SENSOR
158
BrW
EGR VALVE(2) A36
039
L
COOLANT TEMP(1) A38
E66 COOLANT TEMP
063
0.5R
RAIL PRESSURE(3) A39
E78 A-GND6
091
0.5W
CAM SHAFT(2) A40
E54 G-GND
038
GrR
SENSOR BOOST(3) A41
E33 A-VCC2
2
B
V20/V39/V79/V80/V59 GND
V40/V60 SIGNAL GND
100
1.25B
INJ1-COM(4) B02
E14 INJ COMMON
106
1.25W
INJ2-COM(3) B03
E34 INJ COMMON
106
1.25B
INJ3-COM(2) B04
E18 INJ COMMON
100
1.25G
INJ4-COM(1) B05
E38 INJ COMMON
2
B
SHIELD GND B06
111
1.25R
INJ1-DRV(9) B08
E15/E35 INJ DRVTWV1
115
1.25R
INJ2-DRV(8) B09
E20/E40 INJ DRVTWV4
121
1.25G
INJ3-DRV(7) B10
E19/E39 INJ DRVTWV2
125
1.25W
INJ4-DRV(6) B11
E16/E36 INJ DRVTWV3
2
B
SHIELD GND B12
200
R
DPF SEN.T2(2) C01
E43 OUTLET DPF
201
B
DPF SEN.T2(1) C02
E57 A-GND3
202
R
DPF SEN.T1(2) C03
E63 OUTLET DOC
201
B
DPF SEN.T1(1) C04
204
R
DPF SEN.T0(2) C05
E44 INLET DOC
201
B
DPF SEN.T0(1) C06
208
W
DPF DIFFSEN.(3) C09
E45 DIFF SEN. SIG.
209
B
DPF DIFFSEN.(2) C10
210
R
DPF DIFFSEN.(1) C11
V71 A-VCC12(MAX10mA)
ENGINE CONNECTOR
211
0.5B
AIR FLOW (-)(5)
V45 A-GND10
212
0.5G
AIR FLOW (+)(4)
V49 INTAKE TEMP
213
0.5L
AIR FLOW VO(3)
E69 AFS-SIG
2
0.5B
AIR FLOW GND(2)
003
0.5WB
AIR FLOW POW.(1)
AIR FLOW SENSOR
ECU
COMBINATION LAMP (F,R)
FLOOD
38 1.25RG
R
LAMP (F,R)
TURN SIGNAL
40 GB
G
(55W)
LAMP (F,R) (21W)
45 RL
Y
SIDE MARKER
FLOOD
LAMP (F,R) (5W)
2 B
38
1.25RG
R
LAMP (R,R)
(55W)
16
1.25RW
R
HEAD LAMP (F,R)
COMBINATION LAMP (R,R)
24
1.25RB
W
60/55W
TAIL LAMP
(R) (5W)
45 RL
2 B
RY
STOP LAMP
33 GY
GR
(R) (21W)
16
1.25RW
R
40 GB
HEAD LAMP (F,L)
G
TURN SIGNAL
24
1.25RB
60/55W
W
31 RY
LAMP (R,R) (21W)
R
BACKUP
2 B
2 B
LAMP (R) (21W)
45 RL
COMBINATION LAMP (F,L)
LICENSE
TURN SIGNAL
LAMP (10W 2)
26 GR
G
LAMP (F,L) (21W)
45 RL
Y
SIDE MARKER
31 RY
371
BrW
R
LAMP (F,L) (5W)
BACKUP
2 B
BUZZER
COMBINATION LAMP (R,L)
24
1.25RB
77 2RY
BACKUP
f
16
1.25RW
LAMP (L) (21W)
c
31 RY
R
e
78 RW
2
B
TURN SIGNAL
26 GR
G
LAMP (R,L) ( 21W)
a
b
33 GY
GR
LIGHTING
STOP LAMP
45 RL
(L) (21W)
LO/HI RELAY
RY
TAIL LAMP
2 B
(L) (5W)
FLOOD
77 RY
38
1.25RG
RY(6)
R
LAMP (R,L)
78 RW
RW(7)
(55W)
RB(8)
FLOOD
40 GB
38 1.25RG
GB(5)
R
LAMP (F,L)
26 GR
(55W)
TURN
GR(4)
SIGNAL
6 G
G(3)
SWITCH
COMBINATION METER
2 B
FUEL
UNIT
65
Y
IG-SW V13/V33
THERMO
003
WB
UNIT
+BP V18/V58/V38/V78
003
WB
+BF V01/V21
012
BR
MAIN V03/V23
ECO LAMP
341
L
65
Y
(12V)
65
Y
6
1
156
RW
2
B
CAN2-H V37
5
2
155
RB
CAN2-L V17
4
3
DPF
RESISTOR
METER
(120 ）
158
BrW
65
Y
CAN1-H V36
CAN-H
12V
157
Br
2
B
CAN-L
GND
CAN1-L V16
CAN
166
0.5R
(SERVICE
A-VCC11(+5V) V51
+V1
162
0.5W
TOOL)
APS1(SIG) V47
SIG1
161
0.5B
A-GND12 V46
GND1
POTENTIO
METER
+V2
165
0.5W
DPF REQUEST LAMP V28
APS2(SIG) V67
SIG2
164
0.5B
A-GND13 V66
GND2
8
Br
8 Br
TACHMETER PULSE V34
168
G
SPEED SENSOR V14
f
2
B
c
ECU
2 B
e
88
BrR
b
a
SPEED PULSE
ON/OFF RELAY
401
GR
LOAD #12
402
LR
SUB-ECU LAMP #13
2
B
GND #16
134
R
CAN
BATTERY(+) #22
404
BrW
CAN-H #23
403
Br
CAN-L #24
10
O
LOAD ON/OFF #35
405
GY
INHIBIT SWITCHOUT #39
003
WB
ACC #44
SUB-ECU
FLASHER
13 GY
11 Gr
UNIT
HORN
5
3
12 P
11 Gr
R
2
1
L
E
B
HORN
HORN
SWITCH
RELAY
NC
NO
COM
BACKUP
3
6
G
BUZZER
1
40 GB
SWITCH
2
6
6
G
4
26 GR
5
HAZARD SWITCH
38
3RG
66
3GR
3
66
3GR
1
2 B
5
3
67
Sb
2
2
1
FLOOD
FLOOD
LAMP
LAMP
SWITCH
RELAY
2
44
WG
1
45
RL
3
77 2RY
44 2WG
6
4
5
3
2 B
36
Lg
5
44 WG
2
1
LIGHTING SWITCH
LIGHTING
RELAY
FUSE
BOX
50 8WR
73 L
5A
3 BW
20 BrW
18
1.25GW
3
5
22 1.25WB
1
3
88 BrR
2 B
2
6
1
2
39 YL
2 B
5
4
PARKING INTERLOCK
PARKING
RELAY
BRAKE SWITCH
003
3WB
012
BR
87
30
85
86
ECU MAIN
RELAY
167
L
2
B
3
5
1
2
88
BrR
3 BW
PARKING SW.V75
NEUTRAL
167
L
N-SW. V30
RELAY
232
G
DPF SW. V56
32
YG
OIL PRE.LAMP V06
47
GL
HEATER LAMP V07
230
W
DPF ACTIVE LAMP V26
231
L
018
Y
OVERHEAT LAMP V27
020
L
STOP LAMP V08
021
G
WARNING LAMP V09
STOP-SW. V32
ENGINE
W
405
GY
020
L
018
Y
231
L
230
DPF INHIBIT SW. V74
WARNING
ENGINE
OVER
DPF
DPF
ECU
LAMP
STOP
HEAT
REQUEST
ACTIVE
LAMP
LAMP
LAMP
LAMP
402
LR
003
WB
404
BrW
CAN-H
SUB-ECU
403
Br
CAN-L
LAMP
SPEED CHANGE
SWITCH
F
406 LY
3
22 WB
1
10
1.25 O
2
2 B
407 BrY
407 BrY
406 LY
NC
R
R
3
5
NO
003 WB
401 GR
LOAD
COM
F-R
SOL
1
2
SOLENOID
LEVER
LOAD
SWITCH
RELAY
22 WB
c
60 BW
a
NC NOCOM
STOP LAMP
RELAY
18
1.25GW
60 BW
FOOT
BRAKE
SWITCH
WATER SPRAY MODE
27 LR
41 LB
SELECT SWITCH
34 LY
2
41 LB
1
2 B
3
6
41 LB
4
27 LR
5
102
2W
103
10A
7
1.25L
7
1.25L
55
1.25Br
52 5WL
48 W
15
3BY
001
3RW
30
87
20 BrW
025
W
025
W
140
LB
5A
86
85
STARTER
RELAY
C
R2
B
R1
BR
ACC
21 LgR
65
Y
4 R
4 R
STARTER
5A
SWITCH
134
3R
48
3W
20A
FUEL
2 B
003
WB
130
RB
15 BY
5A
ST-SW V12
PUMP
140
LB
STARTER V05
031
GW
HEATER RLY V24
ECU
64 5R
010 5W
B
G
031
GW
2 B
g
e
GLOW
003
WB
RELAY
GLOW
3
1
003
WB
HEATER
232
G
2
DPF SWITCH
ELECTRICAL SYSTEM
10
1.25 O
2 B
SPEED
CHANGE SLENOID
42
1.25BrB
2 B
33 GY
f
PARKING
e
2
BRAKE SOLENOID
B
b
3
5
2
B
2 B
42 1.25BrB
1
2
BRAKE
PROPULSION
RELAY
PUMP
NEUTRAL
SOLENOID
WATER
3
1
SPRAY
4
2
TIMER
41 3LB
19 3LW
19 3LW
G
B
34 LY
2 B
g
e
2 2B
WATER SPRAY
WATER SPRAY
RELAY
PUMP (150W)
2Br
SUB POWER
2
2B
12V/120W
(O.P.T)
(O.P.T)
28 BrR
L
21 LgR
IG
49 15B
E
B
ALTERNATOR
STARTER MOTOR
S
B
E
BATTERY
RELAY
NO
COM
21 LgR
BR
E
2 B
64 5R
BATTERY
12V 115D31R
0634-99372-0-11506-A
5-003
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