Diagnostic Procedure
WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - WIPER ON/OFF RELAY OUTPUT CIRCUIT HIGH
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | Turn the ignition on. With the DRBIII®, clear all BCM DTC's. Turn the Front Wipers on. With the DRBIII®, read the DTC information. Does the DRBIII® read: WIPER ON/OFF RELAY CIRCUIT HIGH? Yes --> Go To 2 No --> The condition is not present at this time. Monitor DRBIII parameters while wiggling the related wire harness. Refer to any Technical Service Bulletins that may apply. Visually inspect the related wiring harness and connector terminals. Perform BODY VERIFICATION TEST - VER 1 . |
All |
| 2 | Turn the ignition off. Check the PDC to make certain the Wiper On/Off Relay is present. Is the Wiper On/Off Relay present? Yes --> Go To 3 No --> Replace the missing Wiper On/Off Relay. Perform BODY VERIFICATION TEST - VER 1 . |
All |
| 3 | Turn the ignition off. Check the Junction Block Circuit Breaker #3. Is the Circuit Breaker open? Yes --> Replace the open Circuit Breaker. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 4 |
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| 4 | Turn the ignition off. Install a known good relay in place of the Wiper On/Off Relay. Turn the Wipers On. Do the Wipers operate normally? Yes --> Replace the Wiper On/Off Relay. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 5 |
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| 5 | Turn the ignition off Remove the Wiper On/Off Relay. Measure the voltage of the Fused B+ circuit of the Wiper On/Off Relay. Is the voltage above 10 volts? Yes --> Replace the Body Control Module. Perform BODY VERIFICATION TEST - VER 1 . No --> Repair the Front Wiper Park Switch Sense circuit for an open condition. Perform BODY VERIFICATION TEST - VER 1 . |
All |