Diagnostic Test
- INTERMITTENT CONDITION
- Turn the ignition on.
- With the Scan Tool, clear all TIPM DTC's.
- Turn the Rear Wipers on.
- With the Scan Tool, read the TIPM DTC's.
Does the Scan Tool read: B230D-REAR WIPER PARK SWITCH INPUT CIRCUIT LOW?
Yes
- Go to step 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. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
- REAR WIPER MOTOR
- Turn the ignition off.
- Disconnect the Rear Wiper Motor connector.
- Turn the ignition on.
- With the Scan Tool, read the TIPM DTC's.
Does the Scan Tool read: B230D-REAR WIPER PARK SWITCH INPUT CIRCUIT LOW?
Yes
- Go to step 3
No
- Replace the Rear Wiper Motor in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
- (W17) REAR WIPER PARK SWITCH SENSE CIRCUIT SHORT TO GROUND
- Turn the ignition off.
- Disconnect the TIPM C2 harness connector.
- Measure the resistance between ground and the (W17) Rear Wiper Park Switch Sense circuit.
Is the resistance below 5.0 ohms?
Yes
- Repair the (W17) Rear Wiper Park Switch Sense circuit for a short condition.
- Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
No
- Replace the Totally Integrated Power Module in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .