Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Headlights Schematics | |||
1 | Did you perform the Lighting Diagnostic System Check? | Go to Step 2 | |
2 | Verify the fault is present. Does the system operate normally? | Go to Testing for Electrical Intermittents in Wiring Systems | Go to Step 3 |
3 |
Are both the high and the low beam off? | Go to Step 4 | Go to Step 6 |
4 | Connect a test lamp from between the headlamp dimmer switch output-low circuit and a good ground, then between the headlamp dimmer switch output-high circuit and to a good ground at connector C201C. Does the test lamp illuminate at both terminals? | Go to Step 7 | Go to Step 5 |
5 | Repair the open in the headlamp dimmer switch output-low circuit or the headlamp dimmer switch output-high circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 8 | -- |
6 | Repair the short to ground in the headlamp dimmer switch output-low circuit or in the headlamp dimmer switch output-high circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 8 | -- |
7 | Replace the headlamp dimmer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Tilt. Did you complete the repair? | Go to Step 8 | -- |
8 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |