B2305

B2305 - Wiper Park Switch Input Circuit High






- When Monitored:
With the ignition on.

- Set Condition:
The Totally Integrated Power Module (TIPM) detects an open condition in the wiper park switch sense circuit.






1. ACTIVE DTC

1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Turn the Front Wipers on.
4. With the scan tool, read the Front Wiper DTCs.

Does the scan tool display this DTC as active?

Yes
- Go To 2

No
- The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the BODY VERIFICATION TEST.

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






1. Turn the ignition off.
2. Disconnect the Front Wiper Motor harness connector.
3. Disconnect the TIPM C1 harness connector.
4. Turn the ignition on.
5. Using a 12-volt test light connected to ground, check the (W7) Wiper Park Switch Sense circuit.

Does the test light illuminate brightly?

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

No
- Go To 3

3. (W7) WIPER PARK SWITCH SENSE CIRCUIT OPEN






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

Is the resistance above 5.0 Ohms?

Yes
- Repair the (W7) Wiper Park Switch Sense circuit for an open.
- Perform the BODY VERIFICATION TEST.

No
- Go To 4

4. FRONT WIPER MOTOR

1. Connect a jumper wire between the (W7) Wiper Park Switch Sense circuit and ground.
2. Reconnect the TIPM C1 harness connector.
3. Turn the ignition on.
4. 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 in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST.

No
- Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST.