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 status indicate OFF? | -- | Go to Step 3 | Go to Step 7 |
3 |
Did the high beam headlights turn OFF? | -- | Go to Step 4 | Go to Step 10 |
4 | Connect a test lamp between the high beam headlamp relay coil side feed circuit and the high beam headlamp control circuit. Does the test lamp illuminate? | -- | Go to Step 12 | Go to Step 5 |
5 | Inspect for poor connections at the high beam relay. 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 15 | Go to Step 6 |
6 | Replace the high beam relay. Refer to Wiring Repairs in Wiring Systems. Did you complete the replacement? | -- | Go to Step 15 | -- |
7 |
Does the flash to pass input status indicate OFF? | -- | Go to Step 8 | Go to Step 11 |
8 | Inspect for poor connections 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 15 | Go to Step 9 |
9 | 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 15 | -- |
10 | Repair the short to power in the high beam headlamp circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 15 | -- |
11 | Test the flash to pass input circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 15 | Go to Step 13 |
12 | Test the high beam relay control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 15 | Go to Step 13 |
13 | Inspect for poor connections 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 15 | Go to Step 14 |
14 | Replace the DIM. Refer to Dash Integration Module Replacement in Body Control System. Did you complete the replacement? | -- | Go to Step 15 | -- |
15 | Operate the system in order to verify the repair. Did you find and correct the condition? | -- | System OK | Go to Step 2 |
