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Home >> Volvo >> 2007 >> S60 Base, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Steering Wheel Module (SWM) - Diagnostic Trouble Codes >> SAS-0021: Steering Wheel Angle Sensor Signal R1/R2/R3/R4. Faulty Signal (2001-2004) >> Faulty signal >> Checking wiring and terminals >> Notes
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Checking wiring and terminals: Notes

Check the wiring between the control module for the steering wheel angle sensor

terminal #5 (terminal (#A29) and steering wheel module terminal #4 (terminal #A4)

terminal #12 (terminal (#A36) and steering wheel module terminal #13 (terminal #A3)

terminal #13 (terminal (#A37) and steering wheel module (terminal #A11)

terminal #14 (terminal (#A38) and steering wheel module terminal #18 (terminal #A18)

check for an intermittent short-circuit to each other.

Other information: 

Fig 1: Breakout Box
GLL100304Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.