Wiper Park Switch Failure
WARNING: This page is about a different car, the 2000 Dodge Ram Wagon and 2000 Dodge Ram Van. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Perform BODY VERIFICATION TEST under VERIFICATION TESTS after each repair.
NOTE:
Unless instructed otherwise in test step, reconnect any previously disconnected components and connectors.
- Turn ignition on. Using scan tool, clear Diagnostic Trouble Codes (DTC). Turn ignition off, then on. Turn wiper switch to all positions including off. Using scan tool, read BODY DTCs. If WIPER PARK SWITCH FAILURE DTC is displayed, go to next step. If WIPER PARK SWITCH FAILURE DTC is not displayed, system is currently functioning properly.
- Turn ignition off. Disconnect windshield wiper motor 2-pin connector. Turn ignition on. Check voltage on windshield wiper motor 2-pin connector terminal No. 3, wiper park switch sense circuit (Dark Green wire). See Fig 1. If any voltage is present, leave windshield wiper motor 2-pin connector disconnected and go to next step. If no voltage is present, replace windshield wiper motor.
- Turn ignition off. Disconnect Central Timer Module (CTM) C1 Green connector. Turn ignition on. Check voltage on CTM C1 Green connector terminal No. 11, wiper park switch sense circuit (Dark Green wire). See Figure. If any voltage is present, repair short to voltage in Dark Green wire. If no voltage is present, replace CTM.