FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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B231D






B231D-REAR WIPER MOTOR CONTROL CIRCUIT OPEN





For a complete wiring diagram Refer to Diagrams/Electrical.

- When Monitored:
- With the ignition on.
- Set Condition:
- When the FCM detects a short/low condition.





1.(W12) REAR WIPER RELAY CONTROL CIRCUIT OPEN

NOTE: Check all applicable fuses prior to testing.

Disconnect the IPM C1 connector.

Measure the resistance of the (W12) Rear Wiper Relay Control circuit between the IPM and the Rear Wiper Relay.

Is the resistance below 5.0 ohms?

Yes

- Repair the (W12) Rear Wiper Relay Control circuit for an open condition.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go to 2

2.INTEGRATED POWER MODULE

Turn the ignition off.

Replace the Rear Wiper relay with a known good relay.

With the Scan Tool, clear all FCM DTC's.

Turn the Wipers ON then OFF.

With the Scan Tool, read the FCM DTC's.

Does the Scan Tool read: B231D-REAR WIPER MOTOR CONTROL CIRCUIT OPEN?

Yes

- Replace the Integrated Power Module.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test


No

- Replace the Rear Wiper Relay.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test