Headlamps Inoperative - One Lamp Domestic
Step | Action | Value(s) | Yes | No | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |||||||||
2 | Inspect for an open in the appropriate fuse:
Is the suspect fuse OK? | -- | Go to Step 3 | Go to Step 7 | ||||||||
3 | Verify that the bulb connections are clean and tight. Are the bulb connections OK? | -- | Go to Step 4 | Go to Step 9 | ||||||||
4 |
Is the voltage within the specified range? | 10-15 V | Go to Step 5 | Go to Step 16 | ||||||||
5 | Connect a DMM from the suspect headlamp connector cavity A to cavity B. Is the voltage within the specified range? | 10-15 V | Go to Step 6 | Go to Step 10 | ||||||||
6 | Replace the inoperative headlamp. Refer to Headlamp Bulb Replacement . Is the headlamp replacement complete? | -- | Go to Step 18 | -- | ||||||||
7 | Repair the short to ground in the appropriate wiring:
Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Step 8 | -- | ||||||||
8 | Replace the inoperative headlamp fuse.
Is the headlamp replacement complete? | -- | Go to Step 18 | -- | ||||||||
9 | Repair the bulb connections. Is the repair complete? | -- | Go to Step 18 | -- | ||||||||
10 | Was the LH high beam headlamp the inoperative headlamp? | -- | Go to Step 12 | Go to Step 11 | ||||||||
11 | Repair the open between ground G401 and the suspect headlamp in the appropriate wiring:
Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Step 18 | -- | ||||||||
12 | Do the DRL function properly? | -- | Go to Step 13 | |||||||||
13 | Backprobe the underhood fuse block connector C1 with a DMM from cavity F7 (DK GRN/WHT) to cavity F11 (BLK). Is the voltage within the specified range? | 10-15 V | Go to Step 14 | Go to Step 15 | ||||||||
14 | Replace the DRL relay in the underhood fuse block. Does the headlamp now operate properly? | -- | Go to Step 18 | Go to Step 17 | ||||||||
15 | Repair the open in CKT 250 (BLK) between the underhood fuse block and G104. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Step 18 | -- | ||||||||
16 | Repair the open between the underhood fuse block and the suspect headlamp in the appropriate wiring:
Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Step 18 | -- | ||||||||
17 | Replace the underhood fuse block. Refer to Underhood Fuse Block Replacement in Engine Electrical. Is the underhood fuse block replacement complete? | -- | Go to Step 18 | -- | ||||||||
18 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK. | Go to Step 2 |
Headlamps Inoperative - One Lamp Export
Step | Action | Value(s) | Yes | No | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |||||||||
2 | Inspect for an open in the appropriate fuse:
Is the suspect fuse OK? | -- | Go to Step 3 | Go to Step 7 | ||||||||
3 | Verify that the bulb connections are clean and tight. Are the bulb connections OK? | -- | Go to Step 4 | Go to Step 9 | ||||||||
4 |
Is the voltage within the specified range? | 10-15 V | Go to Step 5 | Go to Step 10 | ||||||||
5 | Connect a DMM from the suspect headlamp connector cavity A to cavity B. Is the voltage within the specified range? | 10-15 V | Go to Step 6 | Go to Step 11 | ||||||||
6 | Replace the inoperative headlamp. Refer to Headlamp Bulb Replacement . Is the headlamp replacement complete? | -- | Go to Step 12 | -- | ||||||||
7 | Repair the short to ground in the appropriate wiring:
Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Step 8 | -- | ||||||||
8 | Replace the inoperative headlamp fuse.
Is the fuse replacement complete? | -- | Go to Step 12 | -- | ||||||||
9 | Repair the bulb connections. Is the repair complete? | -- | Go to Step 12 | -- | ||||||||
10 | Repair the open between the underhood fuse block and the suspect headlamp in the appropriate wiring:
Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 12 | -- | ||||||||
11 | Repair the open in the appropriate wiring:
Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Step 12 | -- | ||||||||
12 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK. | Go to Step 2 |
