B231F
B231F-FRONT/REAR WASHER MOTOR CONTROL CIRCUIT LOWB231F-Front/Rear Washer Motor Control Circuit Low:
WHEN MONITORED
With the ignition on.
SET CONDITION
When the FCM detects a short/low condition on the washer Pump Motor Control circuit.
POSSIBLE CAUSES
- (W10)/(W20) washer pump motor control circuit
- Wiper washer pump
- Power distribution center
- Front control module
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
DIAGNOSTIC TEST
1. 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.
Q: Does the Scan Tool read: B231F-FRONT/REAR WASHER MOTOR CONTROL CIRCUIT LOW?
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 PUMP MOTOR
Turn the ignition off.
Disconnect the Washer Pump Motor connector.
Turn the ignition on.
With the Scan Tool, read the DTC's.
Q: Does the Scan Tool read:B231F-FRONT/REAR WASHER MOTOR CONTROL CIRCUIT LOW?
YES: Replace the Washer Pump Motor. Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 3
3. WASHER PUMP MOTOR CONTROL CIRCUIT
Turn the ignition off.
Disconnect the Washer Pump Motor harness connector.
Disconnect the FCM C3 harness connector.
Measure the resistance between ground and the (W10) Washer Pump Motor Control circuit in the.
Q: Is the resistance below 5.0 ohms?
YES: Repair the Washer Pump Motor Control circuit. Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 4
4. FRONT CONTROL MODULE
Turn the ignition off.
Disconnect the FCM from the PDC.
Measure the resistance between ground and the (W10) Washer Pump Motor Control circuit.
Q: Is the resistance below 5.0 ohms?
YES: Replace the Power Distribution Center. Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Front Control Module. Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test