ISUZU TROOPER 1998 Service Repair Manual
TROOPER 1998
ISUZU
ISUZU
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ISUZU TROOPER 1998 Service Repair Manual
Page 2705 of 3573
8DÐ112 WIRING SYSTEM
Circuit Diagram (RHD)-1
0.5
B
0.85
W/G 0.85
W/G0.5
B0.5
B/Y
0.85
B/Y0.5
L/Y
0.5
L/Y
0.5
P/W0.85
B/O 0.85
B/O 0.85
B/O
0.3
P/W 0.85
B/Y 0.85
B/Y3.0
B/Y
C-8 15A
ENGINE
CHARGE
RELAY
GLOW
INDICATOR
LIGHT
(METER)
FUEL CUT
SOLENOID
0.85
W/L
QOS III CONTROL UNIT
C-666
C-661
C-6613
C-6611
C-669
C-391
X-172
I-915
H-4112
H-914
X-173
X-175H-33
1
X-17
26
I-9 4
X-17
FENDER-RHSTARTER SW
(IG1)AC GENERATOR
(L)
C-10 10A
METER, GAUGEC-9 15A
FUEL CUT
A 19
H-153.0
W/G
0.5
W/R
0.5
W/RC-1 10A
STARTER
RELAY STARTER SW
(ST)
4
H-7
0.5
LG/W
0.3
LG/W VEHICLE SPEED
SENSOR(3)
15
H-5 12
H-76
H-26
H-577E-371H-7
D08RW982
Page 2706 of 3573
WIRING SYSTEM 8DÐ113
Circuit Diagram (RHD)-2
DROPPING
RESISTOR
GLOW
PLUGGLOW
RELAY-2
QOS III CONTROL UNITGLOW
RELAY-1
C-6612H-4216
1 1
C-60C-59 3.0
R/W
3.0
B/Y
3.0
B/R0.5
B/G0.5
B/G 0.85
B/Y FL-5 50A
GLOWC-531C-5921C-54 BATT.(+)
C-551
2C-55
AC-665H-417 3.0
B/R
0.5
B/L0.5
B/L 0.85
B/Y 0.85
B/Y
3.0
R/W
C-511C-51
C-521
2 2C-52
12
E-41
E-41
QOS THERMO SENSOR
(ENGINE) QOS III CONTROL UNIT
C-16 0.5
B 0.5
Y
0.5
Y0.5
B/Y
0.5
B
7C-66
10FENDER
-LH
C-66
8
C-66
4
H-48
H-412
D08RW980
Page 2708 of 3573
WIRING SYSTEM 8DÐ115
0.5
B
0.85
W/G 0.85
W/G0.5
B0.5
B/Y
0.85
B/Y0.5
L/Y
0.5
L/Y
0.5
P/W0.85
B/O 0.85
B/O 0.85
B/O
0.3
P/W 0.85
B/Y 0.85
B/Y3.0
B/Y
C-8 15A
ENGINE
CHARGE
RELAY
GLOW
INDICATOR
LIGHT
(METER)
FUEL CUT
SOLENOID
0.85
W/L
QOS III CONTROL UNIT
C-666
C-661
C-6613
C-6611
C-669
C-392
X-172
I-915
H-4112
H-241
X-173
X-175H-33
1
X-17
26
I-9 4
X-17
FENDER-RHSTARTER SW
(IG1)AC GENERATOR
(L)
C-10 10A
METER, GAUGEC-9 15A
FUEL CUT
A 3
H-133.0
W/G
0.5
W/R
0.5
W/RC-1 10A
STARTER
RELAY STARTER SW
(ST)
6
H-8
0.5
LG/W
0.3
LG/W VEHICLE SPEED
SENSOR(3)
15
H-5 13
H-810
H-25
H-577E-371H-7
D08RW983
Circuit Diagram (LHD)-1
Page 2709 of 3573
8DÐ116 WIRING SYSTEM
Circuit Diagram (LHD)-2
DROPPING
RESISTOR
GLOW
PLUGGLOW
RELAY-2
QOS
III CONTROL UNITGLOW
RELAY-1
C-6612H-4216
1 1
C-60C-59 3.0
R/W
3.0
B/Y
3.0
B/R0.5
B/G0.5
B/G 0.85
B/Y FL-5 50A
GLOWC-531C-5921C-54 BATT.(+)
C-551
2C-55
AC-665H-417 3.0
B/R
0.5
B/L0.5
B/L 0.85
B/Y 0.85
B/Y
3.0
R/W
C-511C-51
C-521
2 2C-52
12
E-41
E-41
QOS THERMO SENSOR
(ENGINE) QOS III CONTROL UNIT
C-16 0.5
B 0.5
Y
0.5
Y0.5
B/Y
0.5
B
8C-66
10FENDER
-LH
C-66
8
C-66
4
H-48
H-412
D08RW981
Page 2711 of 3573
8DÐ118 WIRING SYSTEM
QOS and EGR System (4JG2)
General Description
The circuit consists of the starter switch, QOS/EGR
control unit, glow relay, charge relay, fuel cut
solenoid, dropping resistor, thermo sensor, glow
indicator light (meter), glow plug, vehicle speed
sensor, tacho sensor, throttle position sensor, EVRV
and VSV; EGR.
The engine coolant temperature at the time of the
engine start-up is sensed by the thermo sensor to
change the glow time so that the optimum starting
conditions can always be obtained.
The idling speed just after the engine start-up can
also be placed in the most suitable conditions in
accordance with the coolant temperature by the
operation of the delay timer.The indicator timer is activated upon the starter
switch turned to the ON position, and the indicator
light comes on for as much time as suitable for the
engine coolant temperature at the time of the
engine start-up.
EGR system controls the information of NOx by
returning a small amount of exhaust gas from the
intake manifold to the combustion chamber
through the EGR valve.
Page 2712 of 3573
WIRING SYSTEM 8DÐ119
Circuit Diagram (RHD)-1
0.5
B
0.5
W/G 0.85
W/G0.5
B0.5
B/Y
0.5
B/Y 0.85
B/Y0.5
L/Y
0.5
L/Y
0.5
P/W0.85
B/O 0.85
B/O 0.85
B/O
0.3
P/W 0.85
B/Y 0.85
B/Y 0.85
B/Y3.0
B/Y
C-8 15A
ENGINE
CHARGE
RELAY
GLOW
INDICATOR
LIGHT
(METER)
FUEL CUT
SOLENOID
AMBIENT
THERMO
SW QWS
THERMO SW
(ENGINE)
0.85
W/L
QOS/EGR CONTROL UNIT
C-6618
C-669
C-665
C-6617
C-6620
C-6616
C-391
X-172
I-915
H-4112
H-914
X-173
X-175H-33
1
X-17
26
I-9 4
X-17
FENDER-RHSTARTER SW
(IG1)AC GENERATOR
(L)
C-10 10A
METER, GAUGEC-9 15A
FUEL CUT
A 19
H-153.0
W/G
0.5
W/R0.5
BR
0.5
BR
0.5
BR
0.5
LG/Y
0.5
G/B
0.5
G/W 0.5
W/RC-1 10A
STARTER
RELAY STARTER SW
(ST)
4
H-71
E-40
11H-4
2C-743.0
L/R
0.5
BR
0.5
BR
0.5
BRC-20 10A
AIR CON HEATER & A/C
RELAY(4)
16
H-26
0.5
LG/W
0.3
LG/W VEHICLE SPEED
SENSOR(3)
15
H-5 12
H-76
H-26
H-57
H-412H-47E-402 7
E-371H-7
B
C
CH-167
C-74
1
D08RW695
Page 2714 of 3573
WIRING SYSTEM 8DÐ121
12
E-41
E-41
QOS THERMO SENSOR
(ENGINE)
TACHO
SENSOR
(INJECTION
PUMP)QOS/EGR CONTROL UNIT
C-16 0.5
B
0.5
B/P0.5
B/P0.5
B/P0.5
B/P0.5
B/R0.5
B/R0.5
R/G
0.5
R/G0.5
R/W
0.5
R/W0.5
Y/L0.5
Y
0.5
Y/L0.5
Y0.5
B/Y
0.5
B
7C-66
3FENDER
-LH
C-396 4FENDER
-RHH-411
E-36
10H-4
C-66
14
C-66
15E-36
2H-46
C-66
2
C-66
1
C-66
12
C-66
11
C-66
13
2
THROTTLE POSITION
SENSOR
(INJECTION PUMP)
H-49
1
H-41
3
H-4
E-5
E-5
E-55
H-48
H-412
D08RW697
Circuit Diagram (RHD)-3
Page 2716 of 3573
WIRING SYSTEM 8DÐ123
0.5
B
0.5
W/G 0.85
W/G0.5
B0.5
B/Y
0.5
B/Y 0.85
B/Y0.5
L/Y
0.5
L/Y
0.5
P/W0.85
B/O 0.85
B/O 0.85
B/O
0.3
P/W 0.85
B/Y 0.85
B/Y 0.85
B/Y3.0
B/Y
C-8 15A
ENGINE
CHARGE
RELAY
GLOW
INDICATOR
LIGHT
(METER)
FUEL CUT
SOLENOID
AMBIENT
THERMO
SW QWS
THERMO SW
(ENGINE)
0.85
W/L
QOS/EGR CONTROL UNIT
C-6618
C-669
C-665
C-6617
C-6620
C-6616
C-392
X-172
I-915
H-4112
H-241
X-173
X-175H-33
1
X-17
26
I-9 4
X-17
FENDER-RHSTARTER SW
(IG1)AC GENERATOR
(L)
C-10 10A
METER, GAUGEC-9 15A
FUEL CUT
A 3
H-133.0
W/G
0.5
W/R0.5
BR
0.5
BR
0.5
BR
0.5
LG/Y
0.5
G/B
0.5
G/W 0.5
W/RC-1 10A
STARTER
RELAY STARTER SW
(ST)
6
H-81
E-40
11H-4
2C-743.0
L/R
0.5
BR
0.5
BR
0.5
BRC-20 10A
AIR CON HEATER & A/C
RELAY(4)
14
H-26
0.5
LG/W
0.3
LG/W VEHICLE SPEED
SENSOR(3)
15
H-5 13
H-810
H-25
H-57
H-412H-47E-402 7
E-371H-8
B
C
CH-1617
C-74
1
D08RW984
Circuit Diagram (LHD)-1
Page 2718 of 3573
WIRING SYSTEM 8DÐ125
12
E-41
E-41
QOS THERMO SENSOR
(ENGINE)
TACHO
SENSOR
(INJECTION
PUMP)QOS/EGR CONTROL UNIT
C-16 0.5
B
0.5
B/P0.5
B/P0.5
B/P0.5
B/P0.5
B/R0.5
B/R0.5
R/G
0.5
R/G0.5
R/W
0.5
R/W0.5
Y/G0.5
Y
0.5
Y/L0.5
Y0.5
B/Y
0.5
B
8C-66
3FENDER
-LH
C-397 4FENDER
-RHH-411
E-36
10H-4
C-66
14
C-66
15E-36
2H-46
C-66
2
C-66
1
C-66
12
C-66
11
C-66
13
2
THROTTLE POSITION
SENSOR
(INJECTION PUMP)
H-49
1
H-41
3
H-4
E-5
E-5
E-55
H-48
H-412
D08RW986
Circuit Diagram (LHD)-3
Page 2781 of 3573
8DÐ188 WIRING SYSTEM
Circuit Diagram (LHD)-3
B
DE 6
H-16 0.85
G/R
0.85
G/R
0.3
R/G0.3
R/G 0.85
G/R
0.3
R/G 0.85
G/R
0.3
R/G 0.85
G/R
0.3
R/G 0.85
G/R
CIGARE-
TTE
LIGHTER1
2
HAZARD
SW3
1
I-11
I-11
FOG
LIGHT
SW6
2
I-5
I-5
RR
DEFOGGER
SW6
2
I-17I-20
I-20 I-17
AUDIO11
3
I-15
I-15
0.3
R/G 0.85
G/R
0.3
R/G 0.85
G/R
0.3
R/G 0.85
G/R
ENGINE
WARMING
SW6
2
RR
WIPER &
WASHER
SW3
2
I-16I-25
I-25 I-16
HEAD LIGHT
WIPER3
2
I-4
I-4
D08RW890-1
