Check Map Lamp and Ignition Keyhole Illumination Function

When map lamp switch is in "DOOR" position, open the front door (LH or RH).

Map lamp and ignition keyhole illumination should illuminate. 

OK or NG 

1. OK: Map lamp and ignition switch key hole illumination circuit is OK.
2. NG: Check ignition illumination circuit. Refer to LT-169, "INTERIOR ROOM LAMP".