Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Interior Lights Schematics | |||
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | |
2 |
Do all of the courtesy lamps illuminate? | Go to Step 3 | Go to Step 4 |
3 | Open and close each door. Do the courtesy lamps turn ON when you open each door? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 8 |
4 | Are all of the courtesy lamps inoperative? | Go to Step 5 | Go to Step 12 |
5 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 13 |
6 | Install a jumper at the headlamp switch harness connector between the courtesy lamp switch signal circuit and the headlamp switch ground circuit. Do the courtesy lamps illuminate? | Go to Step 11 | Go to Step 7 |
7 | Test the courtesy lamp switch signal circuit for short to battery positive voltage, a high resistance, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 17 | Go to Step 9 |
8 | Test the door open switch signal circuit for short to battery positive voltage, a high resistance, or an open. 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 17 | Go to Step 10 |
9 | Inspect for a poor connection at the harness connection of the body control module (BCM). 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 17 | Go to Step 15 |
10 | Inspect for a poor connection at the harness connection of the inoperative door lock 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 17 | Go to Step 14 |
11 | Inspect for a poor connection at the harness connection of the headlamp 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 17 | Go to Step 16 |
12 | Repair the open in the inoperative courtesy lamp supply voltage circuit or ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 17 | -- |
13 | Repair the open in the headlamp switch ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 17 | -- |
14 | Replace the inoperative door lock switch. Refer to Front Door Switch Replacement in Doors. Did you complete the replacement? | Go to Step 17 | -- |
15 | Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 17 | -- |
16 | Replace the headlamp switch. Refer to Headlamp Switch Replacement . Did you complete the replacement? | Go to Step 17 | -- |
17 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
