B231B-REAR WIPER MOTOR CONTROL CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
- With the ignition on.
- Set Condition:
- When the TIPM detects a short/low condition on the Wiper Motor Control circuit.
| Possible Causes |
| (W13) REAR WIPER MOTOR CONTROL CIRCUIT |
| REAR WIPER MOTOR |
| TOTALLY INTEGRATED POWER MODULE |
Diagnostic Test
1. INTERMITTENT CONDITIONTurn the ignition on.
With the Scan Tool, clear all TIPM DTC's.
Turn the Washers on.
With the Scan Tool, read the Wiper/Washers DTC's.
Does the Scan Tool read: B231B-REAR WIPER MOTOR CONTROL CIRCUIT LOW?
Yes
- Go To 2
No
- The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
- Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
2. REAR WIPER MOTOR
Turn the ignition off.
Disconnect the Rear Wiper Motor connector.
Turn the ignition on.
With the Scan Tool, read the DTC's.
Does the Scan Tool read: B231B-REAR WIPER MOTOR CONTROL CIRCUIT LOW?
Yes
- Go To 3
No
- Replace the Rear Wiper Motor in accordance with the service information.
- Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
3. (W13) REAR WIPER MOTOR CONTROL CIRCUIT SHORT TO GROUND
Measure the resistance between ground and the (W13) Rear Wiper Motor Control circuit.
Is the resistance below 5.0 ohms?
Yes
- Repair the (W13) Rear Wiper Motor Control circuit for a short to ground.
- Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Replace the Totally Integrated Power Module in accordance with the service information.
- Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)