B2305

B2305-WIPER PARK SWITCH INPUT CIRCUIT HIGH





For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
With the ignition on.

- Set Condition:
The Front Control Module (FCM) does not detect a change from High to Low on the Wiper Park Switch Sense circuit.





1. INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all FCM DTCs.
3. Turn the Front Wipers on.
4. With the scan tool, read the Front Wiper DTCs.

Does the scan tool read: B2305-WIPER PARK SWITCH INPUT CIRCUIT HIGH?

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. Body Verification Test

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




1. Turn the ignition off.
2. Disconnect the Front Wiper Motor harness connector.
3. Disconnect the IPM C1 harness connector.
4. Measure the voltage on the (W7) Front Wiper Park Switch Sense circuit.

Is the voltage above 5.0 volts?

Yes

- Repair the (W7) Front Wiper Park Switch Sense circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 3

3. CHECK THE FRONT WIPER MOTOR
1. Connect a jumper wire between the (W7) Wiper Park Switch Sense circuit and ground.
2. With the scan tool, read the Front Wiper Park Switch Sense.

Does the Front Wiper Park Switch Sense display: True?

Yes

- Replace the Front Wiper Motor.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 4

4. (W7) FRONT WIPER PARK SWITCH SENSE CIRCUIT OPEN




1. Turn the ignition off.
2. Disconnect the IPM C1 harness connector.
3. Measure the resistance of the (W7) Front Wiper Park Switch Sense circuit between the Front Wiper Motor harness connector and the IPM C1 harness connector.

Is the resistance below 10.0 Ohms?

Yes

- Replace the IPM.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Repair the (W7) Front Wiper Park Switch Sense circuit for an open.
- Perform the BODY VERIFICATION TEST. Body Verification Test.