Step | Action | Value(s) | Yes | No | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |||||||||||||||
2 | Verify that the courtesy or dome lamps are always on. Do courtesy and 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 BCM data parameters. Refer to Scan Tool Data List in Body Control System for typical values and definitions.
Did you find and correct a problem? | -- | Go to Step 7 | Go to Step 4 | ||||||||||||||
4 | Disconnect the courtesy lamp relay from the body relay block. Did the courtesy/dome lamps turn OFF? | -- | Go to Step 6 | Go to Step 5 | ||||||||||||||
5 | Repair the short to ground in CKT 156. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 7 | -- | ||||||||||||||
6 | Replace the courtesy lamp relay. Is the repair complete? | -- | Go to Step 7 | -- | ||||||||||||||
7 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
