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 park lamps are inoperative. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Test cavity 10 of the turn signal/headlamp switch for continuity to ground. Refer to Circuit Testing in Wiring Systems. Is a ground present? | Go to Step 4 | Go to Step 15 |
4 | With the parklamp switch in the ON position, test cavity 13 of the turn signal/headlamp switch for continuity to ground. Refer to Circuit Testing in Wiring Systems. Is a ground present? | Go to Step 5 | Go to Step 16 |
5 | With the parklamp switch in the ON position, test cavity 13 of the daytime running lamp control module for continuity to ground. Refer to Circuit Testing in Wiring Systems. Is a ground present? | Go to Step 6 | Go to Step 14 |
6 | With the parklamp switch in the ON position, test cavity 12 of the daytime running lamp control module for continuity to ground. Refer to Circuit Testing in Wiring Systems. Is a ground present? | Go to Step 7 | Go to Step 17 |
7 | With the parklamp switch in the ON position, test cavity 2 of the TAIL relay for continuity to ground. Refer to Circuit Testing in Wiring Systems. Is a ground present? | Go to Step 8 | Go to Step 13 |
8 | Test C8 cavity 7 of the instrument panel fuse block for battery positive voltage. Refer to Circuit Testing in Wiring Systems. Is voltage present? | Go to Step 9 | Go to Step 18 |
9 | Test cavity 1 and 3 of the TAIL relay for battery positive voltage. Refer to Circuit Testing in Wiring Systems. Is voltage present? | Go to Step 10 | Go to Step 12 |
10 | Test cavity 5 of the TAIL relay for battery positive voltage. Refer to Circuit Testing in Wiring Systems. Is voltage present? | Go to Step 11 | Go to Step 19 |
11 | Repair the open in the TAIL relay output voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 20 | -- |
12 | Repair the open in the TAIL relay supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 20 | -- |
13 | Repair the open in the tail relay control circuit between cavity 12 of the daytime running lamps control module and cavity 2 of the TAIL relay. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 20 | -- |
14 | Repair the open in the park lamp signal circuit between cavity 13 of the daytime running lamps control module and cavity 13 of the turn signal/headlamp switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 20 | -- |
15 | Repair the open in the turn signal/headlamp switch ground circuit. Refer to Circuit Testing in Wiring Systems. Did you complete the repair? | Go to Step 20 | -- |
16 | Replace the turn signal/headlamp switch. Refer to Headlamp Switch Replacement . Did you complete the repair? | Go to Step 20 | -- |
17 | Replace the DRL control module. Refer to Daytime Running Lights (DRL) Control Module Replacement . Did you complete the repair? | Go to Step 20 | -- |
18 | Replace the instrument panel wiring harness. Refer to Instrument Panel Wiring Harness Replacement in Instrument Panel, Gages and Console. Did you complete the repair? | Go to Step 20 | -- |
19 | Replace the TAIL relay. Did you complete the repair? | Go to Step 20 | -- |
20 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
