Was the entire Headlight System Check performed?

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Go to Step 2

Go to Headlight System Check

Is the twilight delay switch in an ON position?

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Go to Step 3

Go to Headlight System Check

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

Does the scan tool indicate that the Lights are ON when the Windshield Wipers Input is ON?

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Go to Step 4

Go to Step 5

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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Headlight System Check

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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 6

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

Is the repair complete?

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Go to Headlight System Check

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