The MICU controls the headlights is based on input signals from each switch.

	Input	Output
MICU	IG1 power supply Combination light switch (H/L OFF) Combination light switch (POSITION) Combination light switch (H/L ON) Combination light switch (DIMMER) Combination light switch (PASSING)	Headlight (LOW) Headlight (LEFT HIGH) Headlight (RIGHT HIGH) Taillight relay
B-CAN		Position light signal Headlight (high beam, low beam, passing) signals