B231C

B231C-REAR WIPER MOTOR CONTROL CIRCUIT HIGH

For a complete wiring diagram, refer to the Wiring Information. Electrical Diagrams






1. (W12) REAR WIPER RELAY CONTROL CIRCUIT SHORT TO B+
1. Measure the resistance between ground and the (W12) Rear Wiper Relay Control circuit.

Is the resistance below 5.0 ohms?

Yes

- Repair the (W12) Rear Wiper Relay Control circuit for a short to B+.
- Perform the BODY VERIFICATION TEST. Body Verification Test

No

- Go to 2

2. INTEGRATED POWER MODULE
1. Turn the ignition off.
2. Replace the Rear Wiper relay with a known good relay.
3. With the Scan Tool, clear all TIPM DTC's.
4. Turn the Rear Wipers ON then OFF.
5. With the Scan Tool, read the TIPM DTC's.

Does the Scan Tool read: B231C-REAR WIPER MOTOR CONTROL CIRCUIT HIGH?

Yes

- Replace the Totally Integrated Power Module.
- Perform the BODY VERIFICATION TEST. Body Verification Test

No

- Replace the Rear Wiper Relay.
- Perform the BODY VERIFICATION TEST. Body Verification Test