Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics

Connector End View Reference: Lighting Systems Connector End Views

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

1. Turn the ignition switch to the RUN position.
2. Turn the headlamp switch to the HEAD position.
3. Place the multifunction headlamp dimmer switch to the low beams position.

Does the high beam indicator turn OFF as expected?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Do the high beam headlamps turn OFF as expected?

Go to Step 4

Go to Symptoms - Lighting Systems

Using a scan tool, select IPC, Special Functions, and command the Lamp Test ON, then OFF.

Does the high beam indicator lamp turn ON and OFF when commanded?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 5

Inspect for poor connections at the harness connector of the instrument panel cluster (IPC). Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 7

Go to Step 6

Replace the IPC. Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 7

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3