Front Wiper Park Switch Open-IPM

FRONT WIPER PARK SWITCH OPEN-IPM





For a complete wiring diagram Consult Diagrams/Electrical





Diagnostic Test

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

Yes

- Go To2

No

- Go To8

2. FRONT WIPER ON/OFF RELAY
Turn the ignition on.
With the scan tool, erase DTCs.
Install a substitute relay in place of the Front Wiper On/Off Relay.
Operate the 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 above 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 OPEN




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

Yes

- Repair the (W7) Front Wiper Park Switch Sense Circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Go To5

5. FRONT WIPER FUSED B(+) CIRCUIT OPEN
Turn the ignition off.
Disconnect the Front Wiper On/Off Relay.
Disconnect the IPM C4 harness connector.
Measure the resistance of the (W7) Front Wiper Park Switch Sense circuit between the IPM harness connector and the Front Wiper On/Off Relay connector.
Is the resistance above 5.0 ohms?

Yes

- Repair the Front Wiper Fused B(+) circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Go To6

6. (W7) FRONT WIPER PARK SWITCH GROUND CIRCUIT OPEN




Turn the ignition off.
Disconnect the Front Wiper Motor.
Measure the resistance between the (W7) Front Wiper Park Switch Ground circuit at the Front Wiper Motor harness connector.
Is the resistance above 5.0 ohms?

Yes

- Repair the (W7) Front Wiper Park Switch Ground Circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Go To7

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

Yes

- Test Complete.

No

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

8. 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.