Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Interior Lights Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems. | |||
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 and the lift gate. Do the courtesy lamps turn ON when you open each door and the lift gate? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 5 |
4 | Are all of the courtesy lamps inoperative? | Go to Step 7 | Go to Step 12 |
5 | Test the door open circuits for a high resistance, an open, or a short to battery positive voltage. 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 16 | Go to Step 6 |
6 | Test the ground circuit of the door latch assembly for 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 16 | Go to Step 11 |
7 |
Do the dome lamps illuminate? | Go to Step 13 | Go to Step 8 |
8 | Inspect for an open or a short to battery positive voltage in the switched dome circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 16 | Go to Step 9 |
9 | Test for an open, short to ground or a short to battery positive voltage in the courtesy lamps control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 16 | Go to Step 10 |
10 | 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 16 | Go to Step 15 |
11 | Inspect for a poor connection at the harness connection of the inoperative door latch assembly. 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 16 | Go to Step 14 |
12 | Repair the open in the inoperative courtesy lamp power supply voltage circuit or courtesy lamps control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 16 | -- |
13 | Replace the headlamp switch. Refer to Headlamp Switch Replacement . Did you complete the replacement? | Go to Step 16 | -- |
14 |
Important: Perform the setup procedures for the Body Control Module (BCM). Refer to Body Control Module (BCM) Programming/RPO Configuration . Replace the inoperative door latch assembly. Refer to Front Side Door Lock Replacement or Rear Door Lock Replacement in Doors or Liftgate Latch Replacement in Body Rear End. Did you complete the replacement? | Go to Step 16 | -- |
15 | Replace the BCM. Refer to Body Control Module Replacement in Body Control System. 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 |
