QX56 V8-5.6L (VK56DE) (2004)
Cruise Control Switch: Description and Operation
ASCD STEERING SWITCH
Component Description
ASCD steering switch has variant values of electrical resistance for each button. ECM reads voltage variation of switch, and determines which button is
operated.
Switch Operation
Switch Operation
The system is operated by a master ON/OFF switch and four control switches, all mounted on the steering wheel.