Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

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

Do the high beam indicator function properly?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

Do the high beam headlamps function properly?

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 in Wiring Systems

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 in Wiring Systems.

Did you find and correct the condition?

Go to Step 7

Go to Step 6

Important: Perform the setup procedure for the IPC.

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

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