Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Lighting System Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Did the park lamps turn OFF? | -- | Go to Step 7 | Go to Step 3 |
3 | Test the park lamp switch input circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 10 | Go to Step 4 |
4 | Disconnect the lighting control module (LCM). Did the park lamps turn OFF? | -- | Go to Step 5 | Go to Step 9 |
5 | Inspect for poor connections at the LCM harness connection. 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 10 | Go to Step 6 |
6 | Replace the LCM. Refer to Lamp Control Module Replacement . Did you complete the replacement? | -- | Go to Step 10 | -- |
7 | Inspect for poor connections at the headlamp switch harness connection. 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 10 | Go to Step 8 |
8 | Replace the headlamp switch. Refer to Headlamp Switch Replacement . Did you complete the replacement? | -- | Go to Step 10 | -- |
9 | Repair short to voltage in the park lamp power feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you find and correct the condition? | -- | System OK | Go to Step 2 |
