Schematic Reference: Instrument Cluster Schematics in Instrument Panel, Gages and Console

Did you perform the Lighting Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

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

Does the high beam indicator operate normally?

Go to Testing for Electrical Intermittents in Wiring Systems

Go to Step 3

1. Turn ON the low beams.
2. Turn ON the high beams.

Do the headlamps function properly?

Go to Step 4

Go to Headlamps Inoperative - High Beams

With a 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

Inspect for poor connections at the IPC. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 9

Go to Step 7

Inspect for poor connections at the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 9

Go to Step 8

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

Did you complete the replacement?

Go to Step 9

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Important: Perform the setup procedure for the BCM.

Replace the BCM. Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 9

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3