1998 ISUZU TROOPER alarm

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 – 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 – 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?