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.
• Reinstall the connectors, components etc.
• Ignition on.
• Read off and make a note of the adaptation value.
• Start the engine. Increase the engine speed (RPM) a couple of times.
• Read off the adaptation value and check that the adaptation value approaches 1.
  Fig 3: Identifying VCT2000 Diagnostic Tool

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 4: Identifying Mass Air Flow (MAF) Sensor

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the adaptation value approach 1? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to Information