B2305-WIPER PARK SWITCH INPUT CIRCUIT HIGH (STUCK HIGH)

For a complete wiring diagram Refer to Section 8W.



Possible Causes
(W7) WIPER PARK SWITCH SENSE CIRCUIT OPEN
(W7) WIPER PARK SWITCH SENSE CIRCUIT SHORTED TO VOLTAGE
FRONT WIPER MOTOR
TOTALLY INTEGRATED POWER MODULE




Diagnostic Test

1. INTERMITTENT CONDITION

Turn the ignition on.
With the scan tool, clear all DTC's.
Cycle the Wiper Switch on and off 3 times.
With the scan tool, read DTC's.

Does the scan tool display this DTC as active?

Yes


No

2. (W7) WIPER PARK SWITCH SENSE CIRCUIT SHORTED TO VOLTAGE



Turn the ignition off.
Disconnect the Front Wiper Motor harness connector.
Turn the ignition on.
Using a 12–volt test light connected to ground, probe the (W7) Wiper Park Switch Sense circuit.

Does the test light illuminate brightly?

Yes


No

3. CHECK THE FRONT WIPER MOTOR



Connect a jumper wire between the (W7) Wiper Park Switch Sense circuit and ground.
With the scan tool, read the Front Wiper Park Switch Sense.

Does the Front Wiper Park Switch Sense display: True?

Yes


No

4. CHECK (W7) WIPER PARK SWITCH SENSE CIRCUIT FOR AN OPEN



Turn the ignition off.
Disconnect the TIPM C7 harness connector.
Measure the resistance of the (W7) Wiper Park Switch Sense circuit between the Front Wiper Motor harness connector and the TIPM C7 harness connector.

Is the resistance below 10.0 ohms?

Yes


No