Checking wiring and components: Verification

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Identifying Ignition On Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connectors

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.
• Reconnect connectors, reinstall components.
• Start the engine and let it idle.

  Read off the rear heated oxygen sensor (HO2S) signal diagnostic trouble code (DTC) status.

  The text NOT READY is displayed if the diagnosis is underway.

  Fig 3: Identifying VCT2000

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 4: Identifying Rear Heated Oxygen Sensor

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is FAULT NOT REGISTERED displayed? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to Information