Step  | Action  | Yes  | No  | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Interior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views , Data Communication Connector End Views , or 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 always ON. Do the courtesy/dome lamps operate normally?  | Go to Testing for Intermittent Conditions and Poor Connections  | Go to Step 3  | ||||||||||||||||||
3  | 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 4  | Go to Step 8  | ||||||||||||||||||
4  | 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 5  | Go to Step 6  | ||||||||||||||||||
5  | 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 12  | Go to Step 7  | ||||||||||||||||||
6  | 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 12  | Go to Step 9  | ||||||||||||||||||
7  | 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 12  | Go to Step 10  | ||||||||||||||||||
8  | 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 12  | Go to Step 11  | ||||||||||||||||||
9  | 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 12  | --  | ||||||||||||||||||
10  | 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 12  | --  | ||||||||||||||||||
11  | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement?  | Go to Step 12  | --  | ||||||||||||||||||
12  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | Go to Step 3  | ||||||||||||||||||