Opel Frontera UBS. Service manual — part 720
8D–310
WIRING SYSTEM
2 Windshield Wiper Does Not Operate At “INT” Position
•
•
•
DISCONNECT THE CONNECTORS OF THE WINDSHIELD WIPER &
WASHER SWITCH
SET THE SWITCH AT THE “INT” POSITION
IS THERE CONTINUITY BETWEEN THE SWITCH CONNECTOR
TERMINALS 3 B-52 AND 2 B-52 ?
YES
NO
•
•
•
DISCONNECT THE CONNECTOR OF THE ALARM & RELAY
CONTROL UNIT
SET THE WINDSHIELD WIPER & WASHER SWITCH AT THE "INT"
POSITION AND TURN THE STARTER SWITCH ON
IS THE BATTERY VOLTAGE APPLIED BETWEEN 20 B-7 AND
THE GROUND?
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 14 B-52 AND B-19
YES
NO
•
IS B-19 GROUNDED SECURELY?
REPAIR OR REPLACE THE WINDSHIELD WIPER &
WASHER SWITCH
YES
NO
GROUND IT SECURELY
•
IS THERE CONTINUITY BETWEEN THE WINDSHIELD WIPER &
WASHER SWITCH HARNESS SIDE CONNECTOR TERMINALS
14 B-52 AND THE GROUND?
YES
NO
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 2 B-52 AND 20 B-7
•
IS THERE CONTINUITY BETWEEN 14 B-6 AND 8 B-52 ?
YES
NO
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 14 B-6 AND
8 B-52
REPLACE THE ALARM & RELAY CONTROL UNIT
WIRING SYSTEM
8D–311
3 Intermittent Interval Does Not Change
•
•
DISCONNECT THE CONNECTOR OF THE WINDSHIELD
WIPER & WASHER SWITCH
WHEN THE INTERMITTENT KNOB IS TURNED, DOES THE
RESISTANCE VALUE BETWEEN THE SWITCH CONNECTOR
TERMINALS 8 B-52 AND 14 B-52 VARY BETWEEN 0
Ω
- 2 K
Ω
?
YES
NO
REPAIR OR REPLACE THE SWITCH
IS THERE SHORT CIRCUIT BETWEEN 14 B-6 AND 8 B-52 ?
•
YES
NO
REPAIR A SHORT CIRCUIT
REPLACE THE ALARM & RELAY
CONTROL UNIT
4 Windshield Wiper Does Not Operate At “LO” Position
•
•
•
DISCONNECT THE CONNECTORS OF THE WINDSHIELD WIPER &
WASHER SWITCH
TURN THE STARTER SWITCH ON
SHORT CIRCUIT THE WINDSHIELD WIPER & WASHER SWITCH HAR-
NESS SIDE CONNECTOR TERMINALS 3 B-52 - 5 B-52 AND
CHECK TO SEE IF THE WINDSHIELD WIPER MOTOR ROTATES AT A
LOW SPEED.
REPAIR OR REPLACE THE WIPER & WASHER SWITCH
8D–312
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–313
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
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