Checking Control Module And Sensor Connectors

HINT: The cause of the diagnostic trouble code (DTC) may be in the circuit for the stop lamp switch or for the pedal position sensor. 

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector(s) Reinstallation

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Check the connectors for the brake control module (BCM), the stop lamp switch and the pedal position sensor. Check for contact resistance. Check for oxidation
• Reinstall the components, connectors, etc.
• Ignition on
• Read off the status of the stop lamp switch and the position of the pedal position sensor.

  Depress and release the brake pedal. The value must change between OFF and ON and the position of the pedal position sensor must be updated.

  Other information 

  • see CONNECTING THE BREAKOUT BOX
  • see STOPLAMP SWITCH
  • see POSITION SENSOR, BRAKE PEDAL
  • see CONTENTS

  Does the value change? 

  Select an alternative 

  1. The value for the stop lamp switch does not change

     Refer to CHECKING FUSE, WIRING AND SENSORS 

  2. The value for the pedal position sensor is not updated

     Refer to SIGNAL OUTSIDE ITS PERMITTED RANGE 

  3. These values are OK.

     FAULT NOT FOUND:  Troubleshooting has been completed.

  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.