Symptom Chart
WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart
| Condition |
Possible Sources |
Action |
- The wipers are inoperative
|
- Fuse(s)
- Circuitry
- Multi-function switch
- Windshield wiper motor
|
|
- The wipers stay on continuously
|
- Circuitry
- Multi-function switch
- Windshield wiper motor
|
|
- The high/low wiper speeds do not operate correctly
|
- Circuitry
- Multi-function switch
- Windshield wiper motor
|
|
- The intermittent windshield wiper speed does not operate correctly
|
- Circuitry
- Multi-function switch
- Windshield wiper motor
|
|
- The wipers will not park at correct position
|
- Pivot arm adjustment
- Linkage
- Windshield wiper motor
|
- If the wipers immediately stop on the windshield as soon as they are turned off, INSTALL a new windshield wiper motor.
- ADJUST the pivot arm(s). REFER to Wiper Blade and Pivot Arm Adjustment .
|
- The washer pump is inoperative
|
- Circuitry
- Windshield washer pump
- Multi-function switch
- Windshield wiper motor
|
|
- The headlamps do not illuminate when the wipers are on
|
- Circuitry
- Lighting control module (LCM)
- Windshield wiper motor
|
- If DTC B1449 is present, REFER to LIGHTING CONTROL MODULE (LCM) DIAGNOSTIC TROUBLE CODE INDEX . If DTC B1449 is not present, DISCONNECT LCM connector C2145D and windshield wiper motor C125. CHECK circuit 28 (BK/PK) for an open. MEASURE the resistance between LCM C2145D-14, circuit 28 (BK/PK), harness side and windshield wiper motor C125-2, circuit 28 (BK/PK), harness side. REPAIR the open as needed. If circuit is OK, INSTALL a new LCM. TEST the system for normal operation.
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