Isuzu Trooper (1998-2002 year). Service manual — part 945
8D–314
WIRING SYSTEM
5 Windshield Wiper Does Not Operate At “HI” Position
•
•
DISCONNECT THE CONNECTOR OF THE WINDSHIELD WIPER &
WASHER SWITCH
WITH THE SWITCH SET AT “HI” POSITION, IS THERE
CONTINUITY BETWEEN THE SWITCH CONNECTOR TERMINALS
3 B-52 AND 4 B-52 ?
YES
NO
•
•
•
DISCONNECT THE CONNECTOR OF THE WINDSHIELD WIPER
MOTOR
CONNECT THE MOTOR CONNECTOR 1 C-38 TO THE BATTERY
(+) TERMINAL, AND 3 C-38 TO THE BATTERY (–) TERMINAL
DOES THE MOTOR ROTATE AT A HIGH SPEED?
REPAIR OR REPLACE THE WINDSHIELD WIPER &
WASHER SWITCH
YES
NO
REPAIR A POOR CONNECTION AT THE CONNECTORS OR AN
OPEN CIRCUIT BETWEEN 4 B-52 AND 1 C-38
REPAIR OR REPLACE THE WINDSHIELD WIPER
MOTOR
WIRING SYSTEM
8D–315
6 Auto-Stop Function of The Windshield Wiper Motor Does Not Operate
•
•
DISCONNECT THE CONNECTOR OF THE WINDSHIELD WIPER &
WASHER SWITCH
WITH THE SWITCH SET AT “OFF” POSITION, IS THERE
CONTINUITY BETWEEN THE SWITCH CONNECTOR TERMI-
NALS 5 B-52 AND 6 B-52 ?
YES
NO
•
•
•
DISCONNECT THE CONNECTOR OF THE WINDSHIELD WIPER
MOTOR
CONNECT THE MOTOR CONNECTOR 2 C-38 TO THE BATTERY
(+) TERMINAL AND 3 C-38 TO THE (–) TERMINAL, AND THEN
CHANGE THE CONNECTION OF THE BATTERY (+) TERMINAL
TO THE CONNECTOR 6 C-38 WHILE THE MOTOR ROTATING
AT A LOW SPEED
WHEN CONNECTING THE CONNECTOR TERMINALS 2 C-38 AND
5 C-38 IN THIS CONDITION, DOES THE MOTOR STOP AT AUTO-
STOP POSITION?
REPAIR OR REPLACE THE WINDSHIELD WIPER &
WASHER SWITCH
REPLACE THE ALARM & RELAY CONTROL UNIT
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 5 C-38 AND
12 B-7
YES
NO
YES
NO
•
•
TURN THE STARTER SWITCH ON
IS THERE ANY BATTERY VOLTAGE APPLIED BETWEEN THE
WINDSHIELD WIPER MOTOR HARNESS SIDE CONNECTOR
TERMINAL 6 C-38 AND GROUND?
REPAIR OR REPLACE THE WINDSHIELD WIPER MOTOR
YES
NO
•
•
DISCONNECT THE CONNECTOR OF THE ALARM & RELAY
CONTROL UNIT
IS THERE CONTINUITY BETWEEN THE HARNESS SIDE
CONNECTOR 12 B-7 AND THE WINDSHIELD WIPER MOTOR
HARNESS SIDE CONNECTOR 5 C-38 ?
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN THE FUSE C-5 (15A)
AND 6 C-38
8D–316
WIRING SYSTEM
7 Rotation of The Windshield Wiper Motor Does Not Stop
•
IS THE CONTINUITY IN THE WINDSHIELD WIPER & WASHER
SWITCH NORMAL?
YES
NO
REPAIR OR REPLACE THE WINDSHIELD WIPER &
WASHER SWITCH
REPAIR OR REPLACE THE WINDSHIELD WIPER
MOTOR
WIRING SYSTEM
8D–317
8 Windshield Washer Motor Does Not Operate
•
IS FUSE C-5 (15A) NORMAL?
YES
•
•
DISCONNECT THE CONNECTOR OF THE WINDSHIELD WIPER &
WASHER SWITCH
WITH THE WASHER BUTTON DEPRESSED, IS THERE
CONTINUITY BETWEEN THE SWITCH SIDE CONNECTOR
TERMINALS 1 B-52 AND 7 B-52 ?
REPLACE FUSE C-5 (15A)
NO
YES
NO
•
•
TURN THE STARTER SWITCH ON
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE WIND-
SHIELD WIPER & WASHER SWITCH HARNESS SIDE CONNECTOR
TERMINAL 1 B-52 AND THE GROUND?
REPAIR OR REPLACE THE WINDSHIELD WIPER &
WASHER SWITCH
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN FUSE C-5 (15A) AND
1 B-52
YES
NO
DISCONNECT THE CONNECTOR OF THE WINDSHIELD WIPER
WASHER MOTOR
TURN THE STARTER SWITCH ON
WITH THE WASHER BUTTON OF THE WINDSHIELD WIPER &
WASHER SWITCH DEPRESSED, IS THE BATTERY VOLTAGE
APPLIED BETWEEN THE WASHER MOTOR HARNESS SIDE
CONNECTOR TERMINAL 1 C-35 AND THE GROUND?
•
•
•
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 7 B-52 AND
1 C-35
YES
NO
IS 4 I-39 GROUNDED SECURELY?
•
GROUND IT SECURELY
YES
NO
CONNECT THE MOTOR SIDE CONNECTOR 1 C-35 OF THE WIND-
SHIELD WASHER MOTOR TO THE BATTERY (+) TERMINAL, AND
THE CONNECTOR 2 C-35 TO THE (–) TERMINAL
DOES THE MOTOR ROTATE?
•
•
REPLACE THE WINDSHIELD WASHER MOTOR
YES
NO
REPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 2 C-35 AND THE GROUND
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