CONDITION
POSSIBLE CAUSE
CORRECTION
WIPER WILL NOT PARK
1. OPEN WIPER MOTOR
PARK CIRCUIT.
2. DEFECTIVE BCM.
3. DEFECTIVE WIPER
MOTOR.
1. OPEN OR DEFECTIVE CIRCUIT BETWEEN
WIPER MOTOR CONNECTOR TERMINAL #4
AND BCM TERMINAL #3C. IF NOT OK, REPAIR
CIRCUIT.
2. REFER TO BCM DIAGNOSTIC
PROCEDURES.
3. APPLY BATTERY JUMPER POWER TO
WIPER TERMINAL #2 (LOW SPEED) AND
GROUND TERMINAL #5 (COMMON GROUND).
POSITION AN OHMMETER ACROSS MOTOR
PARK TERMINAL #4 AND COMMON GROUND.
THE OHMMETER MUST INDICATE ONE
SHORT, ONCE EVERY MOTOR REVOLUTION.
OR WITH MOTOR IN
9
PARK
9
POSITION,
CHECK FOR CONTINUITY BETWEEN MOTOR
TERMINAL #4 AND 5. IF NOT OK, REPLACE
MOTOR.
WIPER WILL NOT RUM TO
PARK AFTER IGNITION OFF
1. DEFECTIVE BCM.
1. REFER TO BCM DIAGNOSTIC
PROCEDURES.
WIPER RUNS THRU PARK
POSITION ON WINDSHIELD
1. DEFECTIVE ON / OFF
RELAY.
2. OPEN ON / OFF RELAY
GROUND CIRCUIT.
1. CHECK WIPER ON / OFF RELAY WITH
KNOWN GOOD RELAY. IF NOT OK, REPLACE
RELAY.
2. OPEN OR DEFECTIVE CIRCUIT BETWEEN
ON / OFF RELAY CAVITY
9
E
9
AND LEFT
HEADLAMP GROUND #5 OR ENGINE
GROUND #1 OR 2.
WIPER RUNS
CONTINUOUSLY OR
INTERMITTENTLY IN LOW
SPEED WITH IGNITION OR
ACCESSORY ON AND
WIPER SWITCH OFF
1. DEFECTIVE ON / OFF
RELAY.
2. DEFECTIVE CONTROL
CIRCUIT TO BCM.
3. DEFECTIVE BCM.
1. CHECK WIPER ON / OFF RELAY WITH
KNOWN GOOD RELAY. IF NOT OK, REPLACE
RELAY.
2. INTERMITTENT OR CONTINUOUS SHORT
BETWEEN ON / OFF RELAY CAVITY
9
C
9
AND
BCM CONNECTOR TERMINAL #4C. IF NOT
OK, REPAIR CIRCUIT.
3. REFER TO BCM DIAGNOSTIC
PROCEDURES.
WIPER MOTOR POWER
FEED FUSE OPEN
1. POWER DISTRIBUTION
CENTER (PDC) FUSE
9
M
9
DEFECTIVE.
1. CHECK FUSE
9
M
9
. IF NOT OK, REPLACE
FUSE.
WIPER SWITCH POWER
FEED FUSE OPEN
1. JUNCTION BLOCK FUSE
#5 DEFECTIVE.
1. CHECK FUSE #5. IF NOT OK, REPLACE
FUSE.
8K - 10
WINDSHIELD WIPERS AND WASHERS
300M
DIAGNOSIS AND TESTING (Continued)