1998 ISUZU TROOPER relay

8D – 332 WIRING SYSTEM
Parts Location (RHD)
1
2
3
4
5
6
7
8 9 10
11
12
13
14
15
16
17
%38
Legend
(1) I-4
(2) C-16
(3) H-7, H-9, H-24
(4) B-6, B-7
(5) B-2
(6) C-23
(7) Headlight Wiper Motor-LH
(8) Headlight Wiper Motor-RH(9) C-30
(10) H-41
(11) C-36
(12) Washer Tank
(13) Relay and Fuse Box
(14) B-18, B-19
(15) H-15, H-26
(16) Fuse Box
(17) B-26

WIRING SYSTEM 8D – 333
Circuit Diagram (LHD) – 1
%38
MC-236
3425 10 12
C-23
0.5
R/B0.5
R
0.5
R/Y0.5
R/Y
0.5
R 0.5
R0.5
R 0.5
R
0.5
L/W0.5
L/W3.0
B/Y
C-4 10A
ELEC,IGC-7 10A
H/LAMP
WIPER STATER SW
(IG1)STATER SW
(IG2)
0.5
B 0.5
L/R342
0.5
O/W0.5
B2.0
B2.0
B2.0
B 0.85
B 0.5
R/G0.5
R/G0.5
R(4JG2)
0.5
L/W
B-2
BODY
-RHBODY
-LH BODY
-CTR
B-26
B-18
A
C-23H-7B-6
B
C-23C
C-231B-6
9
B-710B-7
M
M
C-306 11
2
C-30H-8D
C-30
C-3611H-41
E
C-30F
12
H-151C-36
ALARM&RELAY
CONTROL UNIT
ALARM&RELAY
CONTROL UNITH/LIGHT
WASHER
MOTOR
HEADLIGHT
WIPER
MOTOR-LHHEADLIGHT
WIPER
MOTOR-RH
9
H-41

8D – 334 WIRING SYSTEM
Circuit Diagram (LHD)-2
%38
1.25
B 0.5
B0.5
B 0.5
B 0.3
R/G
ILLUMINATION
CONTROLLER
(3)
HEAD LIGHTWIPER SW
TAIL RELAY
(4)0.5
R/B
0.5
R/B
BODY-LH
B-19
FENDER-LH
6
I-4
2
I-410
H-9A
7I-4
0.85
G/R
3
I-4
16
H-25
4
C-16
0.5
L/R
0.5
L/R9H-9B
8I-4
0.5
O/W
6H-9D
5I-4
0.5
L/W
0.5
O/W0.5
L/W5H-9E
0.5
B
C
0.5
B
F
4
I-4

WIRING SYSTEM 8D – 335
Parts Location (LHD)
Legend
(1) B-26
(2) I-4
(3) H-7, H-8, H-9, H-25
(4) B-18, B-19
(5) Fuse Box
(6) C-16
(7) C-23
(8) Headlight Wiper Motor-LH(9) Headlight Wiper Motor-RH
(10) H-41
(11) C-30
(12) C-36
(13) Washer Tank
(14) Relay and Fuse Box
(15) B-6, B-7
(16) B-2
(17) H-15
1
2
3
4
5
6
78
910
11
12
13
14
15
16
17
%38

8D – 336 WIRING SYSTEM
Diagnosis
Quick Chart for Check Points
1. Headlight wipers and washer do not
operate on either side
2. Wiper on the left (or right) side does
not operate
3. Auto-stop function of the wiper on the
left (or right) side does not operate
4. Wiper on the left (or right) side does
not stop
5. Washer motor does not operate
Trouble modeCheck point
C-7 C-4Fuse
Headlight
wiper SWHeadlight
wiper
motorHeadlight
washer
motorCable
harness Alarm &
relay
control unit

WIRING SYSTEM 8D – 341
5. Washer Motor Does Not Operate
•DISCONNECT THE HEADLIGHT WASHER MOTOR
CONNECTOR
YES
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN 1 C-36 AND FUSE C-7 (10A)
NO
•CONNECT THE MOTOR SIDE CONNECTOR
TERMINAL 1 C-36 TO THE BATTERY (+)
TERMINAL, AND 2 C-36 TO THE (–) TERMINAL
YES
REPAIR OR REPLACE THE MOTOR
NO
•DISCONNET THE ALARM & RELAY CONTROL
UNIT CONNECTOR B-6
•TURN THE STARTER SWITCH ON
YES
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN FUSE C-4 (10A) AND 1 B-6
NO
•TURN THE STARTER SWITCH ON
•IS THERE BATTERY VOLTAGE APPLIED
BETWEEN THE WASHER MOTOR HARNESS SIDE
CONNECTOR 1 C-36 AND THE GROUND?
•DOES THE MOTOR ROTATE?
•IS THERE BATTERY VOLTAGE APPLIED BETWEEN
THE CONTROL UNIT HARNESS SIDE CONNECTOR
1 B-6 AND THE GROUND?
•RECONNECT THE HEADLIGHT WASHER MOTOR CONNECTOR
YESNO
•IS FUSE C-4 (10A) NORMAL?
YES
REPLACE THE FUSE
NO
•IS THERE CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTORS 12 B-6 AND 5 C-23
YESNO
REPLACE THE ALARM & RELAY CONTROL UNITREPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT IN
THE CIRCUIT
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN 2 C-36 AND 10 B-7
•IS THERE BATTERY VOLTAGE APPLIED BETWEEN THE
HARNESS SIDE CONNECTOR 10 B-7 AND THE GROUND?

8D – 342 WIRING SYSTEM
Rear Defogger
General Description
When rear defogger switch is turned on with starter
switch on, battery voltage is applied to rear defogger
through rear defogger relay to operate rear defogger.
Alarm & relay control unit is provided with a timer.
When the operation time of the timer elapses which
has been set in advance at manufacture, the switch is
automatically turned off. (The timer operating time is
normally about 30 minutes).

WIRING SYSTEM 8D – 343
Circuit Diagram (RHD)
%38
5.0
W BATT.(+)
C-17 25A
RR DEFOG
3.0
B/Y STARTER SW
(IG1)
C-4 10A
ELEC. IGN.
3.0
L/W
3.0
B/L
3.0
B/L
3.0
B/L
3.0
B
3.0
B2.0
B 0.85
B
2.0
B2.0
B
RR DEFOGGER
RELAY
RR DEFOGGER
SW
RR DEFOGGER
B-38
B-38 0.5
L/W
2
B-38
3
41B-38
0.5
O/L0.5
O/L
0.5
O/L0.5
O/L
0.5
O/G0.5
O/G0.3
R/G 0.85
G/R
0.85
L/W0.5
L/W0.5
L/W
ALARM & RELAY
CONTROL UNIT
(RR DEFOGGER)
B-7
5
B-7
8
9B-6
G-7
1H-37
1G-32
2H-31
4H-37R-3
BODY-RR BODY-LH BODY-RHBODY-CTR
B-2
B-26
B-18
TIMER
I-17
3
I-17
4H-2520
I-17
ILLUMINATION
CONTROLLER(3)2
5
I-17
2
H-26
6
I-17 TAIL RELAY(4)
1
H-25