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Home >> Volvo >> 2012 >> XC90 Base, FWD >> Repair and Diagnosis (Single Page) >> Steering >> Electronic Steering >> Steering Angle Sensor (SAS) Diagnostic Trouble Codes >> SAS-0021: Steering Wheel Angle Sensor Signal R1/R2/R3/R4. Signal Faulty (2003-2004) >> Faulty Signal >> Checking The Signal
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Checking The Signal

HINT: The control module for the steering wheel angle sensor has been unable to determine whether the fault is active or not. Therefore a test routine will be run. 

Fig 1: Identifying Ignition ON
GLL101051Courtesy of VOLVO CARS CORPORATION