Front Wiper On/Off Relay Open-IPM

FRONT WIPER ON/OFF RELAY OPEN-IPM





For a complete wiring diagram refer to Diagrams/Electrical.





Diagnostic Test

1. FUSED B(+) CIRCUIT OPEN





Turn the ignition off.

Remove the Wiper On/Off Relay from the IPM.

Using a 12-volt test light connected to ground, probe both Fused B(+) circuits in the IPM.

NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.

Does the test light illuminate brightly at each terminal?

Yes

- Go To 2

No

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

2. WIPER ON/OFF RELAY

Install a substitute relay in place of the Wiper On/Off Relay.

Turn the ignition on.

Turn the wipers on.

Does the system operate correctly?

Yes

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

No

- Go To 3

3. WIPER ON/OFF RELAY CONTROL CIRCUIT OPEN





Turn the ignition off.

Remove the Wiper On/Off Relay from the IPM.

Disconnect the IPM C8 harness connector.

Connect a jumper wire between the Wiper On/Off Relay Control circuit at the IPM connector to ground.

Measure the resistance between ground and the Wiper On/Off Relay Control circuit in the IPM.

Is the resistance below 5.0 ohms?

Yes

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

No

- Repair the Wiper On/Off Relay Control circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test