Front Wiper Motor
WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Whenever a wiper motor malfunction occurs, verify that the wire harness is properly connected, then start normal diagnosis and repair procedures. Refer to FRONT WIPER MOTOR DIAGNOSIS .
FRONT WIPER MOTOR DIAGNOSIS
| CONDITION | POSSIBLE CAUSES | CORRECTION |
|---|---|---|
| WIPER BLADES DO NOT PARK PROPERLY. | 1. Wiper arms improperly parked. | 1. Remove wiper arms. See REMOVAL . and re-park wiper motor. |
| 2 Wiper arms are loose on pivot shaft. | 2. Remove wiper arm and re-park. Refer to ARM-FRONT WIPER and MOTOR-FRONT WIPER removal. | |
| 3. Motor crank loose at output shaft. | 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 any foreign matter from the motor shaft. Install the motor crank in its original position. | |
| MOTOR STOPS IN ANY POSITION WHEN THE SWITCH IS TURNED OFF. | 1. Open park circuit. | 1. Check park switch by disconnecting the wire connector. Place a jumper wire from pin 2 to pin 4. Apply battery voltage to pin 3 and then to pin 1. Replace motor if it does not park. |
| MOTOR WILL NOT STOP WHEN THE SWITCH IS TURNED OFF. | 1. Damaged or inoperative SCCM. | 1. Use scan tool to test inputs and outputs of SCCM. Check DTC's. Refer to the appropriate diagnostic information. Replace as necessary. |
| 2. Damaged or inoperative CCN input/output. | 2. Use scan tool to test inputs and outputs of CCN. Check DTC's. Refer to the appropriate diagnostic information. Replace as necessary. | |
| 3. Damaged or inoperative TIPM input/output. | 3. Use scan tool to test inputs and outputs of TIPM. Check DTC's. Refer to the appropriate diagnostic information. Replace as necessary. | |
| WIPER BLADES SLAP AGAINST COWL SCREEN OR WINDOW MOLDINGS. | 1. Wiper arms are parked incorrectly. | 1. Park wiper arms. Refer to ADJUSTMENTS . |
| BLADES CHATTER. | 1. Foreign substance such as polish on glass or blades. | 1. Clean glass and blade element with nonabrasive cleaner. |
| 2. Arms twisted, blade at wrong angle on glass. | 2. Replace arm. | |
| 3. Blade structure bent. | 3. Replace blade. | |
| 4. Blade element has permanent set. | 4. Replace blade element. | |
| WIPER KNOCK AT REVERSAL. | 1. Linkage bushings worn. | 1. Replace worn link. |
| 2. Armature end-play in motor. | 2. Replace wiper motor. Refer to REMOVAL . | |
| WIPER MOTOR WILL NOT RUN. | 1. No voltage at motor. | 1. Check switch and wiring harness. Refer to SYSTEM WIRING DIAGRAMS article. |
| 2. Poor ground. | 2. Repair ground wire connection as necessary. |