Step | Action | Yes | No | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Interior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views , Body Control System Connector End Views in Body Control System or Power Door Systems Connector End Views in Doors | |||||||||||||
1 | Did you perform the Lighting Systems Diagnostic System Check? | 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 in Wiring Systems | Go to Step 3 | ||||||||||
3 | Inspect for the following related body control module (BCM) module data parameters. 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 6 | ||||||||||
4 | Disconnect and test the switch of the affected input circuit for proper continuity in the open and closed positions. Refer to Circuit Testing in Wiring Systems. Does the switch operate properly? | Go to Step 5 | Go to Step 7 | ||||||||||
5 | Test the signal and ground circuits of the affected input circuit for a short to ground, open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 8 | ||||||||||
6 | Test the courtesy lamps low control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 8 | ||||||||||
7 | Inspect for poor connections at the harness connector of the affected switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 9 | ||||||||||
8 | Inspect for poor connections at the harness connector of the BCM. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 10 | ||||||||||
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 11 | -- | ||||||||||
10 |
Important: Perform the setup procedure for the BCM. Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 11 | -- | ||||||||||
11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 | ||||||||||
