Diagnostic Test
- INTERMITTENT CONDITION
- Turn the ignition on.
- With the Scan Tool, clear all FCM DTC's.
- Turn the Washers on.
- With the Scan Tool, read the Wiper/Washers DTC's.
Does the Scan Tool read: B2320-FRONT/REAR WASHER MOTOR CONTROL CIRCUIT HIGH?
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, Front Control (FCM) - Standard Procedure
- (W10) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE
- Turn the ignition off.
- Disconnect the IPM 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. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
No
- Go to step 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. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
No
- Replace the Front Control Module in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
- Measure the Voltage of the (W20) Washer Pump Motor Control circuit.