Controlling The Functions Using The Steering Wheel Buttons
Model year 2007
Model year 2008-
Subwoofer module (SUB) (16/79) only available for V70.
HINT: The graphic above applies to vehicles built up to and incl. structure week 2007 45-. Vehicles built from and incl. structure week 2007 46-, Integrated Audio Module (IAM) is placed second last, between Remote Digital Audio Receiver (RDAR) and Accessory USB unit (AUU).
The steering wheel buttons connected to the steering wheel module (SWM) (3/130) can be used to control:
- volume control and CD track/radio selection
- menu selection for traffic information
- volume control during a hands free call and menu selection for phone module (PHM) (16/60) and Bluetooth phone module (BPM) (16/147).
The signals from the steering wheel buttons are transmitted to the steering wheel module (SWM) with LIN communication. The steering wheel module (SWM) transmits the signals on to the Infotainment Control Module (ICM) (3/281) using LIN communication. The infotainment control module (ICM) in turn transmits the signals on to the affected control module on the MOST network.