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

Connector End View Reference: Master Electrical Component List in Wiring Systems

Did you perform the Lighting System Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

1. Turn ON the ignition, with the engine OFF.
2. Place the headlamp switch in the HEAD position.
3. Place the headlamp dimmer switch in the HIGH position.
4. Observe the high beam indicator on the Instrument Panel Cluster (IPC).

Does the high beam indicator illuminate?

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

Go to Step 3

Do the high beam headlamps illuminate?

Go to Step 4

Go to Headlamps Inoperative - High Beams

1. Turn OFF the ignition .
2. Disconnect the instrument panel cluster connector.
3. Turn ON the ignition, with the engine OFF.
4. Place the headlamp switch in the HEAD position.
5. Place the headlamp dimmer switch in the HIGH position.
6. Using a test lamp connected to battery positive voltage, probe the high beam signal circuit of the instrument panel cluster.

Does the test lamp illuminate?

Go to Step 6

Go to Step 5

Repair a high resistance or an open in the headlamp high beam signal circuit 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

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

Has the repair been made?

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 2