Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you review the Lighting System Description and Operation and perform the necessary inspections? | Go to Step 2 | |
2 | Verify that the headlamps are inoperative on high beam. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Test cavity 11 of the turn signal/headlamp switch for continuity to ground. Refer to Circuit Testing . Is a ground present? | Go to Step 4 | Go to Step 7 |
4 | With the dimmer switch in the high position, test cavity 9 of the turn signal/headlamp switch for continuity to ground. Is a ground present? | Go to Step 5 | Go to Step 8 |
5 |
Is a ground present? | Go to Step 9 | Go to Step 6 |
6 | Repair the open in the high beam signal circuit between cavity 9 of the turn signal/headlamp switch and cavity 14 of the daytime running lamp control module. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 16 | -- |
7 | Repair the open in the ground circuit between cavity 11 of the turn signal/headlamp switch and G200. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 16 | -- |
8 | Replace the headlamp switch. Refer to Headlamp Switch Replacement . Did you complete the replacement? | Go to Step 16 | -- |
9 | With the headlamps ON and the dimmer switch in the HIGH position, test cavity 11 of the daytime running lamps control module for continuity to ground. Refer to Circuit Testing . Is a ground present? | Go to Step 10 | Go to Step 13 |
10 | With the headlamps ON and the dimmer switch in the HIGH position, test cavity 10 of C201 for continuity to ground. Refer to Circuit Testing . Is a ground present? | Go to Step 11 | Go to Step 14 |
11 | Test cavity 2 of the DIM relay for continuity to ground. Refer to Circuit Testing . Is a ground present? | Go to Step 15 | Go to Step 12 |
12 | Repair the open in the DIM relay control circuit between cavity 10 of C201 and cavity 4 of the DIM relay. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 16 | -- |
13 | Replace the DRL control module. Refer to Daytime Running Lights (DRL) Control Module Replacement . Did you complete the replacement? | Go to Step 16 | -- |
14 | Repair the open in the DIM relay control circuit between cavity 11 of the DRL module and cavity 10 of C201. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 16 | -- |
15 | Replace the DIM relay. Did you complete the replacement? | Go to Step 16 | -- |
16 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
