Step | Action | Yes | No | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Interior Lights Schematics or Body Control System Schematics Connector End View Reference: Component Connector End Views | |||||||||||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |||||||||
2 | Verify the courtesy lamps are inoperative. Do the courtesy lamps operate normally? | Go to Testing for Intermittent Conditions and Poor Connections . | Go to Step 3 | ||||||||
3 | Are all courtesy lamps inoperative? | Go to Step 5 | Go to Step 4 | ||||||||
4 | Test the voltage supply and ground circuits of the inoperative lamp for an open or high resistance. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | System OK | Replace the inoperative bulb. | ||||||||
5 | Are the courtesy lamps inoperative from a specific switch only? | Go to Step 6 | Go to Step 11 | ||||||||
6 | Inspect the following related body control module (BCM), right door switch, left door switch data parameters. Refer to Control Module References
Was a condition found? | Go to Step 7 | Go to Step 10 | ||||||||
7 | Disconnect and test the switches of the affected input circuit for correct continuity in the open and closed positions. Refer to Testing for Continuity . Is continuity correct in both positions? | Go to Step 8 | Go to Step 9 | ||||||||
8 | Test the signal and ground circuits of the affected input circuit for the following conditions:
Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | System OK | Go to Step 10 | ||||||||
9 | Inspect for poor connections at the harness connector of the affected switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | System OK | Replace the switch in the affected circuit. | ||||||||
10 | Inspect for poor connections at the harness connector of the module in the affected circuit. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | System OK | Replace the module in the affected circuit. Refer to Control Module References , for replacement, setup, and programming. | ||||||||
11 | Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | System OK | Replace the BCM. Refer to Control Module References , for replacement, setup, and programming. | ||||||||
