The MICU controls the automatic lighting system based upon the input signals from each switch and the automatic lighting sensor.

	Input	Output
MICU	Combination light switch (H/L OFF) Combination light switch (SMALL LT) Combination light switch (DIMMER) Combination light switch (PASSING)	Headlight (LOW) Headlight (LEFT HIGH) Headlight (RIGHT HIGH) Taillight relay
B-CAN	AUTOLT message