Headlamps - Low Beams On with Headlamp Switch Off Domestic
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: This is similar to "Headlamps, DRL On With Park Brake Applied." If there is any doubt whether it is the headlamps or the daytime running lamps (DRL) which are malfunctioning, remove the DRL fuse. If the headlamps turn off with the DRL fuse removed, then this diagnostic table should not be used. | ||||
1 | Review the headlamp operation and perform the necessary inspections. Did you complete the system review and inspection? | -- | Go to Step 2 | Go to Symptoms |
2 | Attempt to operate the headlamps. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Remove the DRL relay. Did the headlamps turn off? | -- | Go to Step 5 | Go to Step 4 |
4 | Locate and repair the short to voltage in CKT 12 (TAN) between the daytime running lamp (DRL) relay and splice S143. Did you complete the repair? | -- | Go to Step 8 | -- |
5 |
Did you measure battery voltage? | B+ | Go to Step 6 | Go to Step 7 |
6 | Replace the multifunction switch. Refer to Multifunction, Turn Signal and Hazard Switch Replacement - On Vehicle . Did you complete the repair? | -- | Go to Step 8 | -- |
7 | Repair the short to voltage in CKT 359 (PPL) between connector C200 and the DRL relay. Did you complete the repair? | -- | Go to Step 8 | -- |
8 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
Headlamps - Low Beams On with Headlamp Switch Off Export
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: If the vehicle is equipped with daytime running lamps (DRL) it may be difficult to determine whether it is the headlamps or daytime running lamps which are malfunctioning. If in doubt, remove the daytime running lamp fuse. It the headlamps turn off when the DRL fuse is removed, then do not use this table because the fault is in the daytime running lamp system. | ||||
1 | Review the headlamp operation and perform the necessary inspections. Did you complete the system review and inspection? | -- | Go to Step 2 | Go to Symptoms |
2 | Attempt to operate the headlamps. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Examine the vehicle to determine whether or not it is equipped with daytime running lamps (DRL). If it is equipped with DRL, there will be a DRL relay in the IP fuse-relay center. Is the vehicle equipped with DRL? | -- | Go to Step 5 | Go to Step 4 |
4 | Locate and repair the short to voltage in CKT 12 (TAN) between the headlamp dimmer switch and the HDLP fuses in the underhood fuse-relay center. Did you complete the repair? | -- | Go to Step 8 | -- |
5 | Remove the DRL relay. Did the headlamps turn off? | -- | Go to Step 6 | Go to Step 7 |
6 | Locate and repair the short to voltage in CKT 359 (PPL) between the headlamp dimmer switch and the DRL relay. Did you complete the repair? | -- | Go to Step 8 | -- |
7 | Locate and repair the short to voltage in CKT 12 (TAN) between the DRL relay and the HDLP fuses in the underhood fuse-relay center. Did you complete the repair? | -- | Go to Step 8 | -- |
8 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
