Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: High and low beam headlamps are inoperative on both sides of the vehicle. | ||||
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 |
Is the measurement equal to battery voltage? | B+ | Go to Step 4 | Go to Step 5 |
4 | Replace the headlamp dimmer switch. Is the repair compete? | -- | Go to Step 10 | -- |
5 |
Is the measurement equal to battery voltage? | B+ | Go to Step 7 | Go to Step 6 |
6 | Repair the open CKT 42 (RED) between the LIGHTING fuse and the headlamp switch. Is the repair compete? | -- | Go to Step 10 | -- |
7 | With the headlamp switch disconnected and the headlamp position selected, test the continuity of the headlamp switch between terminals C and G. Does the test indicate continuity? | -- | Go to Step 9 | Go to Step 8 |
8 | Replace the headlamp switch. Did you complete the repair? | -- | Go to Step 10 | -- |
9 | Repair the open CKT 10 (YEL) between the headlamp switch and connector C200. Did you complete the repair? | -- | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
