Cargo Lamp Switch: Description and Operation

Power is supplied at all times
^ through 7.5 A fuse (No. 26), located in the fuse block in the HEC)
^ to interior lamp terminal (1).
BCM terminal (21) is grounded when any door switch is in OPEN position.
When the front RH door switch, rear LH door switch or rear RH door switch is in OPEN position, interior lamp turns on.
Multi-remote control unit (LCU05) terminal (1) and BCM terminal (38) are connected by DATA LINE A. Multi-remote control unit terminal (3) and BCM terminal (33) are connected by DATA LINE B. When multi-remote control unit receives a signal to turn on interior lamp from remote controller, multi-remote controller transmits its signal to BCM. Interior lamp turns on when all door switches are in CLOSED position.