B1023-71
B1023-71-FRONT 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 Front 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 Front Wiper operation, Wipers And Washers - Operation.
- When Monitored:
With the ignition on.
Front Wiper on.
- Set Condition:
The Body Control Module (BCM) does not detect any Front Wiper Park Switch transitions for more than five seconds, while the Front Wiper Motor current draw is above the normal threshold.
1. INTERMITTENT CONDITION
NOTE: Prior to diagnosing this DTC, verify the Front Wiper Arm and Linkage is free of obstructions and correctly attached to the Front Wiper Motor output shaft. Repair as necessary.
1. Turn the ignition on.
2. With the scan tool, clear all DTCs.
3. Turn the Front 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 FRONT WIPER MOTOR FOR CORRECT OPERATION
1. Turn the ignition off.
2. Remove the Front Wiper Arm.
3. Turn the ignition on.
4. Turn the Front 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 Front Wiper Motor. Front Wiper Motor - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
No
- Replace the Front Wiper Arm. Front Wiper Arm - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.