Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Lighting System Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Does the headlamp switch input parameter turn ON and OFF? | -- | Go to Step 8 | Go to Step 3 |
3 |
Does the test lamp turn ON and OFF with the headlamp switch? | -- | Go to Step 7 | |
4 | Test the headlamp switch ground circuit for high resistance or open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 14 | Go to Step 5 |
5 | Inspect for poor connection at the headlamp 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 14 | Go to Step 6 |
6 | Replace the headlamp switch assembly. Refer to Headlamp Switch Replacement . Did you complete the replacement? | -- | Go to Step 14 | -- |
7 | Test the headlamp switch input circuit for high resistance or open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 14 | Go to Step 8 |
8 |
Does the test lamp illuminate? | -- | Go to Step 10 | Go to Step 9 |
9 | Test the headlamp relay control circuit for an open or short to power. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 14 | Go to Step 12 |
10 | Inspect for poor connection at the headlamp 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 14 | Go to Step 11 |
11 | Replace the headlamp dimmer switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column - Tilt. Did you complete the replacement? | -- | Go to Step 14 | -- |
12 | Inspect for poor connection at the dash integration module (DIM). 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 14 | Go to Step 13 |
13 | Replace the DIM. Refer to Dash Integration Module Replacement in Body Control System. Did you complete the replacement? | -- | Go to Step 14 | -- |
14 | Operate the system in order to verify the repair. Did you find and correct the condition? | -- | System OK | Go to Step 2 |
