Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Is the voltage within the specified range? | 10-15 V | Go to Step 3 | Go to Step 5 |
3 | Replace the HDLP HI BM relay in the underhood fuse block. Do both hi beam headlamps now operate properly? | -- | Go to Step 4 | |
4 | Replace the underhood fuse block. Refer to Underhood Electrical Center or Junction Block Replacement in Wiring Systems. Is the underhood fuse block replacement complete? | -- | -- | |
5 |
Is the resistance less than the specified value? | 0.5 ohms | Go to Step 6 | Go to Step 7 |
6 | 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? | -- | -- | |
7 | Repair the open in CKT 1969 (BLK/WHT) between the underhood fuse block and the headlamp dimmer switch. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
8 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK. |
Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Is the voltage within the specified range? | 10-15 V | Go to Step 3 | Go to Step 5 |
3 | Replace the HDLP HI BM relay in the underhood fuse block. Do both hi beam headlamps now operate properly? | -- | Go to Step 10 | Go to Step 4 |
4 | 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 10 | -- |
5 | Backprobe the underhood fuse block connector C2 with a DMM from cavity D1 (DK GRN) to the headlamp dimmer switch connector C202 cavity B9 (PNK/WHT). Is the voltage within the specified range? | 10-15 V | Go to Step 6 | Go to Step 9 |
6 | Backprobe the underhood fuse block connector C2 with a DMM from cavity D1 (DK GRN) to the headlamp dimmer switch connector C202 cavity B10 (BLK/WHT). Is the voltage within the specified range? | 10-15 V | Go to Step 7 | Go to Step 8 |
7 | 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 10 | -- |
8 | Repair the open in CKT 1969 (BLK/WHT) between the underhood fuse block and the headlamp dimmer switch. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Step 10 | -- |
9 | Repair the open in CKT 1970 (PNK/WHT) between the underhood fuse block and the headlamp dimmer switch. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK. | Go to Step 2 |