Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Headlights System Check? | -- | Go to Step 2 | Go to Headlight System Check |
2 |
Do the headlamps turn off? | -- | Go to Step 8 | Go to Step 3 |
3 | Disconnect the headlamp dimmer switch connector C202. Do the headlamps turn off? | -- | Go to Step 11 | Go to Step 4 |
4 | Disconnect the Lamp Control Module (LCM) connector C2. Do the headlamps turn off? | -- | Go to Step 7 | Go to Step 5 |
5 | Disconnect the LCM connector C1. Do the headlamps turn off? | -- | Go to Step 9 | Go to Step 6 |
6 | Repair the short to battery positive voltage (B+) in CKT 11 (LT GRN). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Headlight System Check | -- |
7 | Inspect CKT 103 (WHT) for a short to ground. Refer to Testing for Short to Ground in Wiring Systems. Is CKT 103 OK? | -- | Go to Step 10 | Go to Step 12 |
8 | Replace the headlamp switch. Is the repair complete? | -- | Go to Headlight System Check | -- |
9 | Replace the LCM. Refer to Lamp Control Module Replacement . Is the repair complete? | -- | Go to Headlight System Check | -- |
10 | Inspect CKT 307 (YEL) for a short to ground. Refer to Testing for Short to Ground in Wiring Systems. Is CKT 307 OK? | -- | Go to Step 9 | Go to Step 12 |
11 | Replace the headlamp dimmer switch. Is the repair complete? | -- | Go to Headlight System Check | -- |
12 | Repair the faulty wiring. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Headlight System Check | -- |
