When the interior light switch is in the DOOR position and all doors (and tailgate) are locked and closed, the room lamp will come on for 30 seconds if any of the below is performed.
At this time, if you press the door lock button, the room lamp will turn off immediately.
Schematic Diagrams
Schematic Diagram
...
Relay Box (Engine Compartment): Repair procedures
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Pull out the relay from the engine compartment relay box.
Power Relay (Type A)
Check for continuity between the terminals.
A ...