B231D

B231D-REAR WIPER MOTOR CONTROL CIRCUIT OPEN

For a complete wiring diagram consult Diagrams/Electrical.


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








1. (W12) REAR WIPER RELAY CONTROL CIRCUIT OPEN
NOTE: Check all applicable fuses prior to testing.

Disconnect the TIPM C3 connector.
Measure the resistance of the (W12) Rear Wiper Relay Control circuit between the TIPM 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 TIPM DTC's.
Turn the Wipers ON then OFF.
With the Scan Tool, read the TIPM DTC's.
Does the Scan Tool read: B231D-REAR WIPER MOTOR CONTROL CIRCUIT OPEN?

Yes


- Replace the Totally 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