ISUZU TROOPER 1998 Service Repair Manual

8DÐ408 WIRING SYSTEM
Step Action Yes No
The control unit makes lock/unlock response once with interval of
one second.
Is the response complete?
The control unit makes lock/unlock response three times with
interval of one second.
Is the response complete? 12
13Finished
FinishedÑ
Ñ
Step Action Yes No
1. Open the driverÕs side door.
2. Turn the starter switch off.
Is the action complete?
Turn the starter switch to ACC position and then off three times
within five seconds after step 1.
Is the action complete within five seconds?
Close the door and then open it two times within ten seconds after
step 2.
Is the action complete within ten seconds?
1. Turn the starter switch to ACC position and then off.
2. Close the door and then open it.
NOTE: This step must be performed within ten seconds after step
3.
Is the action complete?
The control unit makes lock/unlock response twice as many the
number of registered ID code with interval of two seconds. (In case
of no registered code, the response is made ten times.)
Is the response complete? 1
2
3
4
5Go to Step 2
Go to Step 3
Go to Step 4
Go to Step 5
FinishedÑ
Finished
Finished
Finished
Ñ
ID Code Check
This procedure checks how many kinds of ID code are
registered.
Step Action Yes No
Open the driverÕs side door.
Is the action complete?
Lock the door and then unlock it three times within ten seconds
after step 1.
Is the action complete within five seconds?
Close the door and then open it two times within ten seconds after
step 2.
Is the action complete within ten seconds? 1
2
3Go to Step 2
Go to Step 3
Go to Step 4Ñ
Finished
Finished AntiÐtheft horn, as an answer back function for the
transmitter operation, changes from available into
unavailing or from unavailing into available by this
procedure.
Answer Back (AntiÐtheft Horn Operation) Change Mode

WIRING SYSTEM 8DÐ409
Step Action Yes No
1. Lock the door and unlock it three times.
2. Close the door and then open it.
NOTE: This step must be performed within ten seconds after step
3.
Is the action complete?
Answer back mode changes.
Is this step complete?
The control unit makes lock/unlock response once with interval of
one second.
Is the response complete?
The control unit makes lock/unlock response three times with
interval of one second.
Is the response complete? 4
5
6
7Go to Step 5
Go to Step 6
Finished
FinishedFinished
Go to Step 7
Ñ
Ñ
AntiÐtheft & Keyless Entry Control
Unit/Transmitter Replacement
AntiÐtheft & Keyless Entry Control Unit
Replacement
1. Remove and install the control unit.
cRefer to AntiÐtheft & Keyless Entry Control Unit
Removal and Installation in this section.
2. Register ID code.
cRefer to ID Code Registration in this section.
3. Check that the keyless entry system works normally.
Transmitter Replacement
1. Prepare a new transmitter.
2. Register ID code.
cRefer to ID Code Registration in this section.
3. Check that the keyless entry system works normally.
Transmitter Battery Replacement
1. Remove a screw to remove the cover.
2. Remove the batteries.
3. Set the new batteries into the transmitter.
4. Install the cover to the transmitter.
5. Check that the keyless entry system works normally.

8D – 410 WIRING SYSTEM
Meter and Warning/Indicator Light
General Description
The circuit consists of meter assembly vehicle speed
sensor, engine coolant temperature sensor, seat belt
switch, oil pressure switch, brake fluid switch, park-
ing brake switch and other some switches and sen-
sors.
Meter assembly contains speedometer, tachometer,
voltmeter, engine coolant temperature gauge, oil
pressure gauge, fuel gauge, warning/indicator light
and illumination light.

WIRING SYSTEM 8D – 411
Circuit Diagram (RHD 6V*1 W/O T.O.D)-1
%38
3
C-3910H-42
0.5
B/R0.5
B/R 0.5
B/R
B
DC
A
FENDER-RH
H-104M-10
2A
I 0.5
L/Y0.5
L/Y0.5
L/Y
1
M-109H-103H-9
0.5
LG/W0.5
LG/W
0.5
LG/W0.5
LG/W 0.5
LG/W0.5
R/W
SPEEDO-
METER
RESET
SWTACHOMETERENGINE
COOLANT
TEMPERATURE
GAUGEFUEL
GAUGEOIL
PRESSURE
GAUGE FUSE C-15
3
M-10125H-9
11H-10
VEHICLE
SPEED SENSOR
I-10
0.5
Y/B0.5
Y/B0.5
Y/B
1
E-191 4H-24
11H-6I-10
2
H-8
PCM
(D7)CRUISE CONTROL
UNIT(9)0.5
B/R
15
H-9
PCM
(C10)9I-9
0.5
Y/R
14H-2520I-10
ENGINE
COOLANT
TEMPERATURE
UNIT
0.5
Y/G0.5
Y/V0.5
Y/B
1E-217 19H-9
10H-6I-10
OIL
PRESSURE
UNIT
8
I-10METER
ODO/TRIP
METER

8D – 412 WIRING SYSTEM
Circuit Diagram (RHD 6V*1 W/O T.O.D)-2
%38
BCD
J
E
5 18 15105
2 25
4 21
163
5 1
19 156
VOLT
METERC-10 10A
METER, GAUGE
CHECK
TRANS.A/T OIL
TEMP.
18
C-39 H-16I-9
PCM
(A13)PCM
(A11)PCM
(A10)PCM
(A14)PCM
(A9)
0.5
V0.5
P/W0.5
P/G0.5
O/B0.5
O/L 0.85
B/PH-26
I-9 0.5
L/Y0.5
L/Y0.5
L/Y3.0
B/Y STARTER SW
(IG1)
0.3
Y/G
0.85
B/P
FENDER-RH
I-10
H-25I-9
H-9I-9
H-9I-9
H-9I-9
H-9I-9
H-24 FUEL MIL POWER WINTER
METER
MIL:MALFUNCTION INDICATOR LIGHT

WIRING SYSTEM 8D – 413
%38
Circuit Diagram (RHD 6V*1 W/O T.O.D)-3
GHF
E
16
14 CRUISE
SETCRUISE
MAINAIR BAG ABS 4WD BRAKEEHCU:ELECTRONIC HYDRAULIC CONTROL UNIT
OIL
PRESSURE
CRUISE
CONTROL
UNIT(14)0.5
B/OI-9
H-2617
15
CRUISE
CONTROL
UNIT(13) 0.5
GR/LI-9
H-2624
2
SDM
(7) 0.5
W/RI-9
H-6216
2
EHCU
(16)
OIL PRESSURE
SWBRAKE
FLUID
SWPARKING
BRAKE
SW
0.5
YI-10
H-1618
19
4WD
CONTROL
UNIT(19)/
FRT
AXLESW(2)
OR
4WDSW(1)0.5
LGI-9
H-2722
22
12
1 0.5
LB
0.5
LB0.5
B/P
0.5
B0.5
B/P0.5
B/P
0.5
LBI-9
H-9
H-6
E-14
1
8 9
213
1
FENDER-RH0.5
B/PI-9
H-16
C-15
C-39 C-15H-26
B-27
METER

8D – 414 WIRING SYSTEM
Circuit Diagram (RHD 6VD1 W/O T.O.D)-4
%38
FGH
6
10
AC GENERATOR
(L)ILLUMINAITON
CONTROLLER(3)TAIL RELAY
(4)TURN SIGNAL/
LIGHT SWREAR
FOG LIGHT
BODY-RH 0.85
W/G
0.85
W/GI-9
H-161
H-38
0.5
R/G30
0.3
B 0.85
G/B 0.85
G/R0.85
P/B
1.25
B
1.25
B20
I-9H-27
B-191
6
2810
I-10 H-27
714
I-9 CHARGE METERTURN
-LHTURN
-RH0.5
BR/Y
101
I-10 H-27
REAR
FOG
LIGHT ODO/
TRIP
METER
METER
I-9 I-9 H-16
H-27

WIRING SYSTEM 8D – 415
%38
Circuit Diagram (RHD 6VD1 W/O T.O.D)-5
I
J
0.3
Y/G 0.5
Y/R
0.5
Y/R
BODY-RR
ALARM&RELAY
CONTROL UNIT FUEL
TANK
UNIT
0.5
B
1.25
B 0.5
B/P0.3
Y/BR
0.3
Y/BR
0.3
Y/BR
7
17 144 1
12
B-66
B-7
DIMMER•
PASSING
SW FUSE F-4
0.85
R/Y 0.85
R/L
14 15 13
9 I-10 I-10 H-16
H-9 HIGH
BEAM
R-4F-5H-332
F-518H-46
13H-33F-5H-33H-46
0.5
Y/R
FUEL
TANK
UNIT
0.5
B/P0.3
Y/BR
0.3
Y/BR
179 4 1
19F-5H-332
F-57H-33 (SOUTH AFRICA)F-5H-33H-46

8D – 416 WIRING SYSTEM
Circuit Diagram (RHD 6V*1 W/O T.O.D)-6
%38
BODY-LH BODY-LH TAIL RELAY
(4)
(W/O SUNROOF) STARTER SW
(ACC)
AMBIENT TEMPERATURE
SENSOR
0.5
B
2.0
B 2.0
B 2.0
B 0.5
P/G0.5
G/R0.5
G/R
0.5
O/G0.5
O/G3.0
L/B
0.5
P/G 0.5
P/L0.5
P/L
0.5
P/G 0.5
P/L0.85
B
4
H-21 4 6
H-21 H-21H-21
H-7
C-9L-5
5
8
H-212
3
H-78
2
C-91L-5
4 L-53
L-51 1
H-213
L-5
B-2 B-2
MULTI METER
C-11 10A
AUDIO(ACC), MIRROR

WIRING SYSTEM 8D – 417
%38
Circuit Diagram (RHD 6V*1 W/T.O.D)-1
3
C-3910H-42
0.5
B/R0.5
B/R 0.5
B/R
B
DC
A
FENDER-RH
H-104M-10
2A
I 0.5
L/Y0.5
L/Y0.5
L/Y
1
M-109H-103H-9
0.5
LG/W0.5
LG/W
0.5
LG/W0.5
LG/W 0.5
LG/W0.5
R/W
SPEEDO-
METER
RESET
SWTACHOMETERENGINE
COOLANT
TEMPERATURE
GAUGEFUEL
GAUGE FUSE C-15
3
M-10125H-9
11H-10
VEHICLE
SPEED SENSOR
I-10
0.5
Y/B0.5
Y/B0.5
Y/B
1
E-191 9H-24
11H-6I-10
2
H-8
PCM
(D7)CRUISE CONTROL
UNIT(9)0.5
B/R
15
H-9
PCM
(C10)9I-9
0.5
Y/R
14H-2520I-10
ENGINE
COOLANT
TEMPERATURE
UNIT
8
I-10
METER
ODO/TRIP
METER