Schematic Reference: Headlights Schematics

Did you perform the Lighting Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

Verify that the fault is present.

Does the system operate normally?

Go to Testing for Electrical Intermittents in Wiring Systems

Go to Step 3

1. Turn ON the ignition with the engine OFF.
2. Turn ON the headlamp switch.
3. With the dimmer switch to high beams.

Do the headlamps function properly?

Go to Step 4

Go to Headlamps Inoperative - High Beams

With a scan tool, Scan Tool , select IPC, Special Functions, and command the high beam indicator lamp on, then off.

Does the lamp turn on and off when commanded?

Go to Step 6

Go to Step 5

Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges, and Console.

Did you complete the replacement?

Go to Step 6

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3