Step | Action | Yes | No | ||||
|---|---|---|---|---|---|---|---|
Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics (Domestic) or Headlights Schematics | |||||||
1 | Did you perform the Lighting Systems Diagnostic System Check? | Go to Step 2 | |||||
2 | Verify that the high beam headlamps are inoperative. Do the headlamps operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||
3 |
Is only one headlamp inoperative? | Go to Step 4 | Go to Step 5 | ||||
4 | Test for the following conditions. Refer to Circuit Testing in Wiring Systems.
Was a problem found? | Go to Step 7 | Go to Step 8 | ||||
5 | Backprobe the headlamp dimmer switch high beam signal circuit at connector C 201 using a test lamp from ground. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate? | Go to Step 9 | Go to Step 6 | ||||
6 | Repair the open or high resistance in the headlamp dimmer switch high beam signal circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 10 | -- | ||||
7 | Repair one of the following conditions. Refer to Wiring Repairs in Wiring Systems.
Did you complete the repair? | Go to Step 10 | -- | ||||
8 | Replace the inoperative headlamp bulb. Refer to Sealed Beam Headlamp Replacement or Headlamp Replacement . Did you complete the repair? | Go to Step 10 | -- | ||||
9 | Replace the multifunction switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column. 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 | ||||
