Step | Action | Yes | No | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Interior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Computer/Integrating Systems Connector End Views in Computer/Integrating Systems | |||||||||||||||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information | ||||||||||||
2 | Verify that the courtesy lamps are inoperative. Do the courtesy lamps operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||||||||
3 | Is only one courtesy lamp inoperative? | Go to Step 4 | Go to Step 5 | ||||||||||||
4 |
Did you complete the repair? | Go to Step 18 | -- | ||||||||||||
5 | Inspect for the following related body control module (BCM) data parameters as applicable. 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 8 | ||||||||||||
6 | 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 7 | Go to Step 12 | ||||||||||||
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 in Wiring Systems. Did you find and correct the condition? | Go to Step 18 | Go to Step 13 | ||||||||||||
8 | Open the instrument panel (I/P) compartment. Does the I/P compartment lamp illuminate? | Go to Step 10 | Go to Step 9 | ||||||||||||
9 | Use a fused jumper to ground the Inadvertent power relay control circuit. Does the I/P compartment lamp illuminate? | Go to Step 13 | Go to Step 15 | ||||||||||||
10 | Use a fused jumper to ground the courtesy lamp relay control circuit. Do the courtesy lamps illuminate? | Go to Step 13 | Go to Step 11 | ||||||||||||
11 | Test the following circuits for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition? | Go to Step 18 | Go to Step 16 | ||||||||||||
12 | 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 18 | Go to Step 14 | ||||||||||||
13 | 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 18 | Go to Step 17 | ||||||||||||
14 | 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 18 | -- | ||||||||||||
15 | Replace the inadvertent power relay. Refer to Relay Replacement in Wiring Systems. Did you complete the repair? | Go to Step 18 | -- | ||||||||||||
16 | Replace the courtesy lamp relay. Refer to Relay Replacement in Wiring Systems. Did you complete the repair? | Go to Step 18 | -- | ||||||||||||
17 | Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 18 | -- | ||||||||||||
18 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 | ||||||||||||
