Checking the connectors

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Check the ABS control module and steering wheel angle sensor connector. Check for contact resistance and oxidation. See Checking wiring and terminals. Permanent fault
• Reinstall the components, reconnect the connectors etc.
• Ignition on
• Read off the status of steering wheel angle signal R4.

  Turn the steering wheel in both directions and check that the value changes between ON and OFF.

  Other information: 

  • To connect the breakout box, see Connecting the breakout box to the steering angle sensor .
  • To disconnect the steering wheel angle sensor, see Contact reel/steering wheel angle sensor, replacing .
  • For information about signals, see Signal description, Control unit for the steering wheel angle sensor (SAS) .
  Fig 2: Breakout Box

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 4: Identifying Steering Wheel Angle Sensor

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the value change between OFF and ON? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Checking wiring and sensors