Faulty signal: Verification: Verification

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

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector(s) Reinstallation

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.
• Reconnect connectors, reinstall components.
• Start the engine and let it idle.
• Read off the lambda value for the rear heated oxygen sensor (HO2S).

  After 25 seconds idling, the value should stabilize at 0.8 - 1.2.

  Fig 3: Identifying 4-Bit connector

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 4: Identifying VCT2000 Diagnostic Tool

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the value OK? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to Information