The MICU controls the exterior lights as a daytime running lights system based upon the input signals from each switch.

	Input	Output
MICU	IG1 power supply IG2 power supply Combination light switch (H/L OFF) Combination light switch (SMALL LT) Combination light switch (H/L ON) Combination light switch (DIMMER) Combination light switch (PASSING)	Daytime running lights relay
B-CAN	AUTOLT message