Front Wiper Park Switch Short To Ground-IPM

FRONT WIPER PARK SWITCH SHORT TO GROUND-IPM





For a complete wiring diagram Consult Diagrams/Electrical





Diagnostic Test

1. VERIFYING CONDITION
Turn the ignition on.
With the scan tool, clear all IPM DTCs.
Operate the Wiper system in all modes.
With the scan tool, read DTCs.
Does the DTC reset?

Yes

- Go To2

No

- Go To5

2. FRONT WIPER ON/OFF RELAY
Turn the ignition on.
With the scan tool, erase DTCs.
Turn the ignition off.
Install a substitute relay in place of the On/Off Wiper Relay.
Turn the ignition on.
Operate the Front Wiper system in all modes.
With the scan tool, read DTCs.
Does the DTC reset?

Yes

- Go To3

No

- Replace the Front Wiper On/Off Relay.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

3. FRONT WIPER PARK SWITCH
Turn the ignition on.
With the scan tool, erase DTCs.
Turn the ignition off.

NOTE: Place the Wipers in the "Parked" position.

Disconnect the Front Wiper Motor harness connector.
Measure the resistance of the Park Switch between the (Z103) Front Wiper Motor ground circuit and the (W7) Front Wiper Park Switch Sense circuit in the Front Wiper Motor connector.
Is the resistance below 5.0 ohms?

Yes

- Replace the Front Wiper Motor.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Go To4

4. (W7) FRONT WIPER PARK SWITCH SENSE CIRCUIT SHORT TO GROUND




Turn the ignition off.
Disconnect the Front Wiper Motor.
Disconnect the IPM C4 harness connector.
Turn the ignition on.
Measure the resistance between ground and the (W7) Front Wiper Park Switch Sense circuit.
Is the resistance below 5.0 ohms?

Yes

- Repair the (W7) Front Wiper Park Switch Sense Circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Replace the Integrated Power Module.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

5. INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?

Yes

- Repair as necessary.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Test Complete.