System Overview

System overview

Control module




1. Control module for the steering wheel angle sensor
2. Steering wheel angle sensor
3. Reference groove
4. Encoder for steering movements.
Only cars equipped with DSTC (dynamic stability and traction control) have a steering wheel angle sensor control module. The easiest way to determine if a car is equipped with DSTC (Dynamic stability and traction control) is to search for a switch, marked DSTC, positioned in the panel on the climate control module.
The Steering wheel Angle Sensor Module is positioned on the side of the central electronic module. The only function of the steering wheel angle sensor is to process the signals from the steering wheel angle sensor. The signals used by the DSTC system. The steering wheel angle sensor is mounted on the steering wheel module and is directly connected to the steering angle sensor via a connector on the steering wheel module. The Steering wheel angle sensor control module transmits signal information via the high-speed side of the Controller area network (CAN) to the brake control module, model year 2002-or the ABS control module, model year 1999-2001.
If a fault occurs the control module for the steering angle sensor detects this and a diagnostic trouble code (DTC) is stored at the same time as the DSTC function is switched off.
Diagnostic trouble codes (DTCs) stored in the control module for the steering wheel angle sensor. This information can be read off using the diagnostic tool via the data link connector (DLC) in the car.

Signals for the control module for the steering wheel angle sensor
The table below summarizes input and output signals to and from the Steering wheel angle sensor control module. The signal types are divided into directly connected signals, serial communication and Controller area network (CAN) communication.