Chrysler Stratus RHD 1997 Interactive Electronic Service Manual page 446

JA
DIAGNOSIS AND TESTING (Continued)
CONDITION
WIPER BLADES DO NOT
PARK PROPERLY
MOTOR STOPS IN ANY
POSITION WHEN THE
SWITCH IS TURNED OFF
MOTOR WILL NOT STOP
WHEN SWITCH IS TURNED
OFF
WIPER BLADES SLAP
AGAINST COWL SCREEN
OR WINDOW MOLDINGS
BLADES CHATTER
WIPER KNOCK AT
REVERSAL
WIPER MOTOR WILL NOT
RUN
POSSIBLE
CAUSES
1. Wiper arms
improperly parked.
2. Wiper arms are
loose on pivot shaft.
3. Motor crank loose
at output shaft.
1. Open park circuit.
1. Faulty switch.
2. Faulty relay.
1. Wiper arms are
parked incorrectly.
1. Foreign substance
such as polish on
glass or blades.
2. Arms twisted,
blade at wrong angle
on glass.
3. Blade structure
bent.
4. Blade element has
permanent set.
1. Linkage bushings
worn.
2. Armature endplay
in motor.
1. Linkage bushings
worn.
2. New fuse blows
again.
3. New fuse blows
again.
4. No voltage at
motor.
5. Poor ground.
Fig. 9 Wiper Motor Test
WINDSHIELD WIPERS AND WASHERS
CORRECTION
1. Remove wiper arms and run wiper motor to park
position. Refer to Wiper Arm Replacement.
2. Remove wiper arm and run wiper motor to park
position. Refer to Wiper Arm Replacement.
3. Remove wiper arm. Run wiper motor to park position
and remove the module. Without rotating the motor
output shaft, remove the crank and clean the motor shaft
of metal fillings. Mount the motor crank on the motor
shaft toward the motor can side with the linkage in the full
reversal position. Tighten to 25 to 30 N·m (19 to 23 ft
lbs.) torque, without rotating the motor output shaft. Install
wiper system. Refer to Wiper Module Replac
1. Check park switch by disconnecting wire connector
and apply battery voltage to pin A. Place a jumper wire
from pin B to pin C, then to an external ground. Replace
motor if it does not park.
1. Check switch in low, high and intermittent position.
Replace if necessary.
1. Repark wiper arms. Refer to Wiper Arm Replacement.
1. Clean glass and blade element with non-abrasive
cleaner.
2. Replace arm.
3. Replace blade.
4. Replace blade element.
1. Replace worn link. Refer to Wiper Linkage Removal.
2. Replace wiper motor. Refer to Wiper Motor
Replacement.
1. Replace fuse, run system.
2. Check for short in wiring or switch.
3. Replace fuse, remove motor connector, turn switch on,
fuse does not blow, replace motor.
4. Check switch and wiring.
5. Clean ground wire connection from corrosion.
8K - 7