Checking the current value of the side acceleration sensor

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Check the connectors of the ABS control unit and the sensor for contact resistance and oxidation, as described in Contact resistance and oxidation .
• Ignition on.
• Read off the current value of the side acceleration sensor.

  The value should be approximately 2.5 V.

  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying Side Acceleration Sensor Signal

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the value correct? 

• OK 

  OKAY:  Troubleshooting has been completed.

• LOW 

  Refer to Checking the wiring 

• HIGH 

  Refer to Checking the wiring