2007 Compass Patriot MK Factory Service Manual 8 - ELECTRICAL

B231F-FRONT/REAR WASHER MOTOR CONTROL CIRCUIT LOW





For a complete wiring diagram Refer to Section 8W.



Possible Causes
 
(W10)/(W20) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TOGETHER
 
(W10) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO GROUND
 
(W20) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO GROUND
 
WIPER WASHER PUMP
 
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: B231F-FRONT/REAR WASHER MOTOR CONTROL CIRCUIT LOW?

Yes


No

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.

Does the Scan Tool read: B231F-FRONT/REAR WASHER MOTOR CONTROL CIRCUIT LOW?

Yes


No

3. (W10)/(W20) WASHER PUMP MOTOR CONTROL CIRCUITS SHORT TOGETHER



Turn the ignition off.
Disconnect the Washer Pump Motor harness connector.
Disconnect the TIPM C1 harness connector.
Measure the resistance between the (W10) and (W20) Washer Pump Motor Control circuits.

Is the resistance below 5.0 ohms?

Yes


No

4. (W10) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO GROUND



Measure the resistance between ground and the (W10) Washer Pump Motor Control circuit.

Is the resistance below 5.0 ohms?

Yes


No

5. (W20) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO GROUND



Measure the resistance between ground and the (W20) Washer Pump Motor Control circuit.

Is the resistance below 5.0 ohms?

Yes


No