Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | |
2 |
Do the headlamps operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Do the headlamps turn OFF? | Go to Step 4 | Go to Step 9 |
4 |
Do the headlamps turn OFF? | Go to Step 11 | Go to Step 5 |
5 |
Do the headlamps turn OFF? | Go to Step 7 | Go to Step 6 |
6 |
Do the headlamps turn OFF? | Go to Step 12 | Go to Step 8 |
7 | Test the headlamp switch signal circuit for a short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and repair a short to ground in the headlamp switch signal circuit? | Go to Step 13 | Go to Step 12 |
8 | Test the headlamp relay control circuit for a short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and repair a short to ground in the headlamp switch signal circuit? | Go to Step 13 | Go to Step 10 |
9 | Repair the short to ground in the headlamp control circuit. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 13 | -- |
10 | Replace the headlamp relay. Refer to Relay Replacement in Wiring Systems. Did you complete the replacement? | Go to Step 13 | -- |
11 | Replace the headlamp switch. Refer to Headlamp Switch Replacement in Steering Wheel and Column. Did you complete the replacement? | Go to Step 13 | -- |
12 |
Important: Perform the setup procedure for the body control module (BCM). Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System. Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 13 | -- |
13 | Connect all components and connectors then operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |