B2376-REAR WIPER SWITCH INPUT CIRCUIT

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 Rear Wiper Motor Control circuit.

Possible Causes

(W13) REAR WIPER MOTOR CONTROL CIRCUIT SHORTED

REAR WIPER MOTOR

TOTALLY INTEGRATED POWER MODULE

Diagnostic Test

1. INTERMITTENT CONDITION

Turn 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: B2376-REAR WIPER SWITCH INPUT CIRCUIT?

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: B2376-REAR WIPER SWITCH INPUT CIRCUIT?

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 SHORTED

Turn the ignition off.
Disconnect the Rear Wiper Motor harness connector.
Disconnect the TIPM C6 harness connector.
Measure the resistance between the (W13) RearWiper Motor Control Circuit and ground in the TIPM.

Is the resistance below 5.0 ohms?

Yes

Repair the (W13) Rear Wiper Motor Control Circuit for a shorted condition.

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.