Step | Action | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | |||||||
2 |
Do the headlamps operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||
3 | Verify one of the following conditions:
Are all the headlamps inoperative? | Go to Step 4 | Go to Step 13 | ||||||
4 | Inspect the HEADLAMP circuit breaker. Is the circuit breaker open? | Go to Step 5 | Go to Step 6 | ||||||
5 | Repair a short to ground in CKT 2340. Is the repair complete? | Go to Step 16 | -- | ||||||
6 |
Did the test lamp light? | Go to Step 10 | Go to Step 7 | ||||||
7 | Use a test lamp in order to backprobe between the headlamp and IP dimmer switch harness connector terminal L and ground. Did the test lamp light? | Go to Step 9 | Go to Step 8 | ||||||
8 | Use a test lamp in order to backprobe between the headlamp and IP dimmer switch harness connector terminal N and ground. Did the test lamp light? | Go to Step 15 | Go to Step 12 | ||||||
9 | Repair the faulty connection and/or open in CKT 10 between C201 terminal E13 and the headlamp and IP dimmer switch connector terminal L. Is the repair complete? | Go to Step 16 | -- | ||||||
10 | Test for a faulty connection and/or open in CKT 10 between C201 terminal E13 and the headlamp dimmer switch. Did you find and correct the condition? | Go to Step 16 | Go to Step 11 | ||||||
11 | Replace the headlamp dimmer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel Column -Tilt. Is the repair complete? | Go to Step 16 | -- | ||||||
12 | Repair the faulty connection or open in CKT 2340. Is the repair complete? | Go to Step 16 | -- | ||||||
13 | Test for an open or a high resistance in the ground circuit of the inoperative headlamp. Did you find and correct the condition? | Go to Step 16 | Go to Step 14 | ||||||
14 | Replace the inoperative headlamp. Refer to Headlamp Replacement . Did you complete the repair? | Go to Step 16 | -- | ||||||
15 | Replace the headlamp and IP dimmer switch. Refer to Headlamp Switch Replacement . Is the repair complete? | Go to Step 16 | -- | ||||||
16 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
