Step | Action | Yes | No | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Interior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views , Data Communication Connector End Views , Vehicle Access Connector End Views | |||||||||||||||||||||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |||||||||||||||||||
2 | Verify that the courtesy/dome lamps are inoperative. Do the courtesy/dome lamps operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 | ||||||||||||||||||
3 | Is only one lamp inoperative? | Go to Step 4 | Go to Step 5 | ||||||||||||||||||
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? | Go to Step 15 | Go to Step 13 | ||||||||||||||||||
5 | Inspect the following modules for the proper applicable data parameters included in the list below:
Refer to Scan Tool Data List and Scan Tool Data Definitions for typical values and definitions:
Was a problem found? | Go to Step 6 | Go to Step 10 | ||||||||||||||||||
6 | Disconnect and test the switch of the affected input circuit for proper continuity in the open and closed positions. Refer to Circuit Testing . Is continuity present? | Go to Step 7 | Go to Step 8 | ||||||||||||||||||
7 | Test the signal and ground circuits of the affected input circuit for the following:
Refer to Circuit Testing and Wiring Repairs Did you find and correct the condition? | Go to Step 15 | Go to Step 9 | ||||||||||||||||||
8 | Inspect for poor connections at the harness connector of the affected switch. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 11 | ||||||||||||||||||
9 | Inspect for poor connections at the harness connector of the module in the affected circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 12 | ||||||||||||||||||
10 | Inspect for poor connections at the harness connector of the BCM. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 14 | ||||||||||||||||||
11 | Replace the switch in the affected circuit. Refer to one of the following replacement procedures as applicable: Did you complete the replacement? | Go to Step 15 | -- | ||||||||||||||||||
12 | Replace the module in the affected circuit. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 15 | -- | ||||||||||||||||||
13 | Replace the inoperative bulb. Did you complete the repair? | Go to Step 15 | -- | ||||||||||||||||||
14 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 15 | -- | ||||||||||||||||||
15 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 | ||||||||||||||||||
