Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Headlights Schematics | |||
1 | Did you review the Exterior Lighting System Description and Operation and perform the necessary inspections? | Go to Step 2 | |
2 |
Do the high beam headlamps operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Are both high beam headlamps inoperative? | Go to Step 4 | Go to Step 6 |
4 | Place the headlamp dimmer switch in the LOW BEAM position. Do the low beam headlamps illuminate? | Go to Step 5 | |
5 | Does the high beam indicator illuminate? | Go to Step 10 | Go to Step 8 |
6 |
Does the test lamp illuminate? | Go to Step 7 | Go to Step 11 |
7 | Probe between the ground circuit and the supply voltage circuit of the inoperative high beam headlamp with a test lamp. Does the test lamp illuminate? | Go to Step 9 | Go to Step 12 |
8 | Inspect for poor connections at the harness connector of the headlamp dimmer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 13 |
9 | Inspect for poor connections at the harness connector of the inoperative high beam headlamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 15 | Go to Step 14 |
10 | Repair a poor connection or an open in the headlamp high beam supply voltage circuit. Refer to Wiring Repairs or to Connector Repairs in Wiring Systems. Did you complete the repair? | Go to Step 15 | -- |
11 | Repair an open or high resistance in the supply voltage circuit of the inoperative high beam headlamp. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 15 | -- |
12 | Repair an open or high resistance in the ground circuit of the inoperative high beam headlamp. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 15 | -- |
13 | Replace the headlamp dimmer switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column. Did you complete the replacement? | Go to Step 15 | -- |
14 | Replace the inoperative high beam headlamp. Refer to Headlamp Bulb Replacement . Did you complete the replacement? | Go to Step 15 | -- |
15 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
