Steering Wheel Temperature Control Switch

A separate temperature switch is mounted on the steering wheel to allow the driver to adjust the HVAC temperature. Power to the right steering wheel control assembly is delivered from the dash integration module, through the steering column fuse holder and inflatable restraint steering wheel module coil on the remote radio control supply voltage circuit. When the driver toggles the temperature switch up or down, the voltage is sent through a series of resistors. That varied voltage is sent back through the inflatable restraint steering wheel module coil to the dash integration module through the remote radio control signal circuit. Once the dash integration module receives the varied voltage signal, the information is sent out over the class 2 serial data circuit, to the IPM where the air temperature actuator is adjusted.