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Home >> Volvo >> 2002 >> S80 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Control Modules - Design And Function - 4 Of 4) >> Steering Wheel Module (SWM) (2001-2004) >> Design >> Steering Wheel Buttons

Steering Wheel Buttons

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Fig 1: Identifying Steering Wheel Control Buttons
GLL106462Courtesy of VOLVO CARS OF NORTH AMERICA.

The steering wheel buttons control functions and menu selection for:

The signals from the steering wheel buttons are transmitted via serial communication.

The steering wheel buttons are connected in series to the steering wheel module (SWM) via contact reel in the steering wheel hub. The steering wheel buttons are connected in the following order, counted from the contact reel:

  1. Cruise control
  2. Audio /carphone
  3. Traffic information.

There are diagnostics for the steering wheel buttons.