B2377

B2377-REAR WASHER SWITCH INPUT CIRCUIT

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
- With the ignition on.
- Set Condition:
- The TIPM detects a short to ground condition.





Diagnostic Test

1. INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all TIPM DTC's.
Turn the Wipers on.
With the Scan Tool, read the Wiper DTC's.
Does the Scan Tool read: B2377-REAR WASHER 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.Body Verification Test

2. WASHER MOTOR
With the scan tool, erase DTCs.
Turn the ignition off.
Disconnect the Washer Motor harness connector.
Turn the ignition on.
Wait 30 seconds
With the scan tool, read DTCs.
Does the Scan Tool read: B2377-REAR WASHER SWITCH INPUT CIRCUIT?

Yes

- Replace the Washer Motor.
- Perform the BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Go To 3

3. (W20) REAR WASHER PUMP MOTOR CONTROL CIRCUIT SHORTED
Turn the ignition off.
Disconnect the TIPM C1 harness connector.
Measure the resistance between ground and the (W20) Rear Washer Pump Motor Control Circuit.
Is the resistance below 5.0 ohms?

Yes

- Repair the (W20) Rear Washer Pump Motor Control Circuit for a shorted condition.
- Perform the BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Replace the Totally Integrated Power Module.
- Perform the BODY VERIFICATION TEST - VER 1.Body Verification Test