B2377-REAR WASHER SWITCH INPUT CIRCUIT
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
With the ignition on.
- Set Condition:
The TIPM detects an open condition.
| Possible Causes |
| (W10) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE |
| (W20) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE |
| 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: 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. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
2. (W10) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the TIPM C1 harness connector.
Disconnect the Washer Pump Motor harness connector.
Turn the ignition on.
Measure the voltage of the (W10) Washer Pump Motor Control circuit.
Is the voltage above 5.0 volts?
Yes
- Repair the (W10) Washer Pump Motor Control circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Go To 3
3. (W20) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE
Measure the Voltage of the (W20) Washer Pump Motor Control circuit.
Is the voltage above 5.0 volts?
Yes
- Repair the (W20) Washer Pump Motor Control circuit for a short to voltage.
- 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)