Function of 4WD Control System Component

WARNING: This page is about a different car, the 2007 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.

FUNCTION OF 4WD CONTROL SYSTEM COMPONENT

Part Name	Function
2WD/4WD switch Output	ON and OFF signal of 2WD/4WD switch to 4WD control module.
4WD AUTO indicator	Indicates vehicle is at 4WD-auto mode or not.
4WD LOCK indicator	Indicates vehicle is at 4WD-lock mode or not.
4WD control module	Controlled of current to coupling assembly and vehicle switching to each position. Diagnosis 4WD control system components. Output operation signal of indicator to BCM.
Coupling assembly	The driving force of corresponding to the signal from 4WD control module transmitted to the rear wheel.