Circuit Description

The BCM directly controls the dome lamp when the dome lamp switch is set in the "DOOR" position. On the wagon the BCM also controls the rear hatch courtesy lamp.

When any door (or wagon hatch) is open the BCM will ground circuit 156, providing a ground path for the dome lamp (and cargo lamp on wagons).

The dome lamp is also commanded On when the key is removed from the ignition or an RKE request to turn On the dome lamp occurs.