1998 ISUZU TROOPER relay

8DÐ320 WIRING SYSTEM
Circuit Diagram (LHD)-1
ALARM & RELAY
CONTROL UNITRR WIPER/
WASHER SW
B-2
BODY-RH
A
B
4
B-77
I-16
8
B-7
B-7
0.85
B 0.5
L/B0.5
L/B0.5
L/B 0.5
L/B3.0
B/R
C-6 10A
RR WIPER&WASHER
9
B-7 AUTO STOP
0.5
LG/L2
CB-7 MOTORH-25
3 21 13
I-16H-16
I-16
0.5
LG/R0.5
LB
0.5
LG/W 0.5
LB
D 0.5
LG/W0.5
LG/W0.3
R/G 0.85
G/R
3 STARTER SW
(IG2)
ILLUMINATION
CONTROLLER(3)TAIL RELAY
(4)
I-16
I-16
18
B-7
WASHER WIPER4H-2513 862
H-25
RR
WASHER RR
WIPER
D08RW072

WIRING SYSTEM 8DÐ323
Diagnosis
Quick Chart for Check Points
Check pointFuse
C-6 (10A)Wiper &
washer
SWRear
wiper
motorWasher
motorCable
harness
1 Rear wiper motor does not operateTrouble mode
2 Auto-stop function of the rear wiper
motor does not operate
3 Rear wiper motor does not operate at
“WIPER” position
4 Rear wiper motor does not operate at
“WIPER & WASHER” position
Alarm &
relay
control unit
5
6 Rear washer motor does not operate
Rotation of the rear wiper motor does
not stop

8DÐ324 WIRING SYSTEM
1 Rear Wiper Motor Does Not Operate
·IS FUSE C-6 (10A) NORMAL?
YES
·
·DISCONNECT THE CONNECTOR OF THE REAR WIPER &
WASHER SWITCH
IS THE CONTINUITY IN THE REAR WIPER & WASHER
SWITCH NORMAL?
·TURN THE STARTER SW ONREPLACE FUSE C-6 (10A)
NO
YES
·IS THE BATTERY VOLTAGE APPLIED BETWEEN THE REAR
WIPER & WASHER SWITCH HARNESS SIDE CONNECTOR
TERMINAL 7 I-16 AND GROUND?REPAIR OR REPLACE THE REAR WIPER & WASHER
SWITCH
NO
YESNO
YESNO
IS R-3 GROUNDED SECURELY?REPAIR OR REPLACE THE REAR WIPER MOTOR
·DISCONNECT THE CONNECTORS OF THE REAR WIPER MOTOR
·WITH THE MOTOR SIDE CONNECTOR 2 G-6 CONNECTED TO
THE BATTERY (+) TERMINAL AND THE CONNECTOR 4 G-6 TO
THE (–) TERMINAL, DOES THE MOTOR ROTATE?REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN FUSE C-6 (10A)
AND 7 I-16
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 8 I-16 AND 18 B-7
YESNO
·
·DISCONNECT THE CONNECTORS OF THE ALARM & RELAY
CONTROL UNIT
TURN THE STARTER SWITCH ON
·WITH THE REAR WIPER & WASHER SWITCH AT WIPER
POSITION, IS THE BATTERY VOLTAGE APPLIED BETWEEN
18 B-7 AND THE GROUND?GROUND IT SECURELY
YESNO
·IS THERE CONTINUITY BETWEEN HARNESS SIDE CONNECTOR
3 B-7 AND 2 G-6 ?
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 3 B-7 AND 2 G-6
YESNO
REPLACE THE ALARM & RELAY CONTROL UNIT

WIRING SYSTEM 8DÐ325
2 Auto-Stop Function of The Rear Wiper Motor Does Not Operate
REPAIR OR REPLACE THE REAR WIPER MOTOR ·
·
·
·DISCONNECT THE CONNECTOR OF THE REAR WIPER MOTOR
CONNECT THE MOTOR SIDE CONNECTOR 2 G-6 TO
THE BATTERY (+) TERMINAL AND THE TERMINAL 4 G-6 TO THE
(–) TERMINAL
WHILE ROTATING THE MOTOR, CHANGE THE CONNECTION OF
THE BATTERY (+) TERMINAL TO THE CONNECTOR 3 G-6 , AND
THEN CONNECT THE CONNECTOR 1 G-6 AND 2 G-6
DOES THE REAR WIPER STOP AT THE AUTO-STOP POSITION
IN THIS CONDITION?
YESNO
·
·TURN THE START SWITCH ON
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE REAR
WIPER MOTOR HARNESS SIDE CONNECTOR 3 G-6 AND THE
GROUND?
YESNO
·
·DISCONNECT THE CONNECTOR OF THE ALARM & RELAY
CONTROL UNIT
IS THERE CONTINUITY BETWEEN THE RELAY HARNESS SIDE
CONNECTOR 2 B-7 AND THE WIPER MOTOR HARNESS SIDE
CONNECTOR 1 G-6 ?REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN THE FUSE C-6 (10A)
AND 3 G-6
REPLACE THE ALARM & RELAY CONTROL UNIT
YESNO
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 2 B-7 AND
1 G-6

8DÐ326 WIRING SYSTEM
3 Rear Wiper Motor Does Not Operate at ÒWiperÓ Position
·IS THE CONTINUITY IN THE REAR WIPER & WASHER
SWITCH NORMAL?
YES
·
·
·DISCONNECT THE CONNECTOR OF THE ALARM & RELAY
CONTROL UNIT
TURN THE STARTER SWITCH ON
WITH THE REAR WIPER & WASHER SWITCH SET AT “WIPER”
POSITION, IS THE BATTERY VOLTAGE APPLIED BETWEEN
THE CONTROL UNIT HARNESS SIDE CONNECTOR 18 B-7 AND
GROUND?REPAIR OR REPLACE THE REAR WIPER & WASHER
SWITCH
NO
YESNO
REPLACE THE ALARM & RELAY CONTROL UNIT REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT BETWEEN
18 B-7 AND 8 I-16
4 Rear Wiper Motor Does Not Operate at ÒWasherÓ Position
·IS THE CONTINUITY IN THE REAR WIPER & WASHER
SWITCH NORMAL?
YES
·
·
·DISCONNECT THE CONNECTOR OF THE ALARM & RELAY
CONTROL UNIT
TURN THE STARTER SWITCH ON
WITH THE REAR WIPER & WASHER SWITCH SET AT “WASH”
POSITION, IS THE BATTERY VOLTAGE APPLIED BETWEEN
THE CONTROL UNIT HARNESS SIDE CONNECTOR 8 B-7 AND
THE GROUND?REPAIR OR REPLACE THE REAR WIPER & WASHER
SWITCH
NO
YESNO
REPLACE THE ALARM & RELAY CONTROL UNIT REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT BETWEEN
6 I-16 AND 8 B-7

WIRING SYSTEM 8DÐ327
5 Rotation of The Rear Wiper Motor Does Not Stop
·IS THE CONTINUITY IN THE REAR WIPER & WASHER
SWITCH NORMAL?
·DISCONNECT THE ALARM & RELAY CONTROL
UNIT CONNECTORS
TURN THE STARTER SW ON
IS THE BATTERY VOLTAGE APPLIED BETWEEN
HARNESS SIDE CONNECTOR 2 B-7 AND
THE GROUND?
YES
REPAIR OR REPLACE THE REAR WIPER & WASHER
SWITCH
NO
YES
REPAIR OR REPLACE THE RR WIPER MOTOR REPLACE THE ALARM & RELAY CONTROL UNIT
NO

8D – 330 WIRING SYSTEM
Circuit Diagram (RHD) – 1
%38
MC-236
3425 5 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
0.5
L/W
B-2
BODY
-LHBODY
-RH BODY
-CTR
B-26
B-18
A
C-23H-7B-6
C-23C
C-231B-6
9
B-710B-7
M
M
C-306 15
2
C-30H-7D
C-30
C-3610H-41
E
B
C-30F
15
H-151C-36
ALARM&RELAY
CONTROL UNIT
ALARM&RELAY
CONTROL UNITH/LIGHT
WASHER
MOTOR
HEADLIGHT
WIPER
MOTOR-LHHEADLIGHT
WIPER
MOTOR-RH

WIRING SYSTEM 8D – 331
Circuit Diagram (RHD) – 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-RH
B-19
FENDER-LH
6
I-4
2
I-420
H-9A
7I-4
0.85
G/R
3
I-4
5
H-26
4
C-16
0.5
L/R
0.5
L/R11H-24B
8I-4
0.5
O/W
1H-9D
5I-4
0.5
L/W
0.5
O/W0.5
L/W6H-9E
0.5
B
C
0.5
B
F
4
I-4