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 lamps are inoperative. Do the courtesy lamps operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | 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 6 | Go to Step 4 | ||||||||||
4 | Connect a test lamp between the supply voltage and ground circuits of the inoperative lamp and activate the lamp. Does the test lamp illuminate? | Go to Step 11 | Go to Step 5 | ||||||||||
5 | Test the supply voltage 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 13 | Go to Step 9 | ||||||||||
6 | Disconnect and test the switch of the affected input circuit for proper continuity in the open and closed positions. Refer to Circuit Testing . Does the switch operate properly? | Go to Step 7 | Go to Step 8 | ||||||||||
7 | 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 . Did you find and correct the condition? | Go to Step 13 | 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 13 | Go to Step 10 | ||||||||||
9 | 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 13 | Go to Step 12 | ||||||||||
10 | 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 13 | -- | ||||||||||
11 | Replace the inoperative bulb. Refer to the correct replacement procedure. Did you complete the repair? | Go to Step 13 | -- | ||||||||||
12 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 13 | -- | ||||||||||
13 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 | ||||||||||
