Step | Action | Value(s) | Yes | No | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Important: The BCM monitors the courtesy lamp relay control CKT 690 (GRY/BLK) for faults. If this circuit is open or shorted to power or ground, a DTC will set. | ||||||||||||||||
1 | Did you perform the Lighting Diagnostic System Check? | -- | Go to Step 2 | |||||||||||||
2 | 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 6 | Go to Step 3 | ||||||||||||
3 | Disconnect the courtesy lamp relay from the relay center. Did the courtesy/dome lamps turn OFF? | -- | Go to Step 5 | Go to Step 4 | ||||||||||||
4 | Repair the short to ground in CKT 156 (WHT). Is the repair complete? | -- | Go to Step 6 | -- | ||||||||||||
5 | Replace the courtesy lamp relay. Is the repair complete? | -- | Go to Step 6 | -- | ||||||||||||
6 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 | ||||||||||||
