Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |
2 | Disconnect the headlamp switch connector. Do the high beam headlamps turn off? | -- | Go to Step 9 | Go to Step 3 |
3 | Disconnect the dash integration module (DIM) connector C2. Do the high beam headlamps turn off? | -- | Go to Step 10 | Go to Step 4 |
4 | Disconnect the dash integration module (DIM) connector C1. Do the high beam headlamps turn off? | -- | Go to Step 11 | Go to Step 5 |
5 | Disconnect the headlamp dimmer switch connector C202. Do the high beam headlamps turn off? | -- | Go to Step 12 | Go to Step 6 |
6 | Disconnect the underhood fuse block connector C2. Do the high beam headlamps turn off? | -- | Go to Step 13 | Go to Step 7 |
7 | Remove the HDLP HI BM relay from the underhood fuse block . Do the high beam headlamps turn off? | -- | Go to Step 14 | Go to Step 8 |
8 | Replace the underhood fuse block . Refer to Underhood Electrical Center or Junction Block Replacement in Wiring Systems. Is the underhood fuse block replacement complete? | -- | Go to Step 15 | -- |
9 | Replace the headlamp switch. Refer to Headlamp Switch Replacement . Is the headlamp switch replacement complete? | -- | Go to Step 15 | -- |
10 | Repair the short to ground in CKT 103 (WHT). Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Step 15 | -- |
11 | Replace the dash integration module (DIM). Refer to Dash Integration Module Replacement in Body Control System. Is the DIM replacement complete? | -- | Go to Step 15 | -- |
12 | Replace the headlamp dimmer switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column-Tilt. Is the headlamp dimmer switch replacement complete? | -- | Go to Step 15 | -- |
13 | Repair the short to ground in CKT 1969 (BLK/WHT). Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Step 15 | -- |
14 | Replace the HDLP HI BM relay in the underhood fuse block. Do the high beam headlamps turn off? | -- | Go to Step 15 | Go to Step 8 |
15 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK. | Go to Step 2 |
