Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
SCHEMATIC REFERENCE: Headlights Schematics | ||||
1 | Did you perform the Lighting System Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Does the scan tool display OFF status? | -- | Go to Step 4 | Go to Step 3 |
3 | With a scan tool, observe the flash to pass input status. Does the scan tool display OFF status? | -- | Go to Step 13 | Go to Step 9 |
4 |
Did the high beam headlamps turn off? | -- | Go to Step 5 | Go to Step 12 |
5 |
Does the test lamp illuminated? | -- | Go to Step 6 | Go to Step 7 |
6 | 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 16 | Go to Step 13 |
7 | Inspect for poor connection 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 16 | Go to Step 8 |
8 | Replace the high beam relay. Refer to Wiring Repairs in Wiring Systems. Did you complete the replacement? | -- | Go to Step 16 | -- |
9 |
Does the scan tool display an OFF status? | -- | Go to Step 10 | Go to Step 15 |
10 | Inspect for poor connections at the flash to pass switch connector. 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 16 | Go to Step 11 |
11 | Replace the flash to pass switch. Refer to Turn Signal and Multifunction Switch Assembly - Disassemble - Off Vehicle in Steering Wheel and Column - Tilt. Did you Complete the replacement? | -- | Go to Step 16 | -- |
12 | Repair short to power in the high beam headlamps power feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 16 | -- |
13 | Inspect for poor connections at the DIM module connector. 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 16 | 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 16 | -- |
15 | Test for a short to ground in the flash to pass input circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition | -- | Go to Step 16 | Go to Step 13 |
16 | Operate the system in order to verify the repair. Did you find and correct the condition? | -- | System OK | Go to Step 2 |
