Did you perform the Lighting Systems Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Lighting Systems

1. Turn ON the ignition switch.
2. Connect a scan tool to the data link connector (DLC).
3. Select INPUTS from the dash integration module (DIM) DATA LIST.
4. Place the twilight delay switch in the ON position.
5. Turn on the windshield wipers.

Does the scan tool indicate that the Lights On with Windshield Wipers Input is ON?

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Go to Step 3

Go to Step 4

Replace the body control module (PZM). Refer to Body Control Module Replacement in Body Control System.

Is the body control module replacement complete?

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Go to Step 6

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Test CKT 91 (GRY) for an open or short to ground between the Instrument Cluster (IPC) and S210. Refer to Testing for Continuity or Testing for Short to Ground in Wiring Systems.

Is CKT 91 OK?

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Go to Wiper/Washer System Check in Wipers/Washer Systems

Go to Step 5

Repair the open in CKT 91 (GRY). Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Step 6

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Operate the system in order to verify the repair. Did you correct the condition?

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System OK.

Go to Step 2