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

Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

1. Turn the headlamps ON.
2. Turn the headlamp dimmer switch to the LOW BEAM position and then to the HIGH BEAM position.

Do the headlamps illuminate with each command?

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

Go to Step 3

Connect a test lamp between the headlamp switch signal circuit and ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 4

Repair a high resistance or an open in the headlamp switch signal circuit of the headlamp switch. Refer to Wiring Repairs or to Connector Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 6

--

Replace the headlamp switch. Refer to Headlamp Switch Replacement .

Did you complete the replacement?

Go to Step 6

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2