B1123-71

B1123-71-REAR WIPER - STUCK

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

Theory of Operation

The Body Control Module (BCM) monitors the operation of the Rear Wiper Motor with a wiper park switch that is integral to the Wiper Motor. The Wiper Park Switch switches the signal circuit to ground when the wiper motor is in the park position. For additional information on the Rear Wiper operation, Rear.

- When Monitored:
With the ignition on.

Rear Wiper on.

- Set Condition:
The Body Control Module (BCM) does not detect any Rear Wiper Park Switch transitions for more than five seconds, while the Rear Wiper Motor current draw is above the normal threshold.





1. INTERMITTENT CONDITION

NOTE: Prior to diagnosing this DTC, verify the Rear Wiper Arm is free of obstructions and correctly attached to the Rear Wiper Motor output shaft.

1. Turn the ignition on.
2. With the scan tool, clear all DTCs.
3. Turn the Rear Wiper on.
4. Wait 10 seconds.
5. With the scan tool, read DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 2

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. CHECK THE REAR WIPER MOTOR FOR CORRECT OPERATION
1. Turn the ignition off.
2. Remove the Rear Wiper Arm.
3. Turn the ignition on.
4. Turn the Rear Wiper on.
5. Wait 10 seconds.
6. With the scan tool, read DTCs.

Does the scan tool display this DTC as active?

Yes

- Repair or replace the Rear Wiper Motor. Rear Wiper Motor - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

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