Schematic Reference: Headlights Schematics

Did you review the headlamp operation and perform the necessary inspections?

Go to Step 2

Go to Exterior Lighting Systems Description and Operation

1. Turn ON the headlamps.
2. Turn the dimmer switch to the low beam position and then to the high beam position.

Does the headlamp system operate normally?

Go to Testing for Electrical Intermittents in Wiring Systems

Go to Step 3

Turn ON the high beam headlamps.

Do the high beam headlamps operate correctly?

Go to Step 4

Go to Low and High Beams Headlamps Inoperative

Test the headlamp low beam supply voltage circuit for high resistance, open or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 7

Go to Step 5

Inspect for poor connections at the harness connector of the dimmer switch. 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 7

Go to Step 6

Replace the dimmer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column-Standard or Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column-Tilt.

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