Cargo Lamp: Description and Operation

Power is supplied at all times
^ to room lamp relay terminal (1)
^ through 1O A fuse [No. (39) located in the fuse block (in relay box)]
^ to interior lamp terminal (3),
^ to spot lamp terminal (2) (Except convertible models) or (3) (Convertible models),
^ to luggage room lamp terminal (1),
^ to trunk room lamp terminal (1), and
^ to each toot lamp terminal (1).

When the back door is opened, ground is supplied
^ to luggage room lamp terminal (2)
^ through diode (B40) terminal (3)
^ to diode (B40) terminal (1)
^ through back door switch.
With power and ground supplied, the luggage room lamp turns ON.