Signal too low. Permanent fault: Verification

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Connecting Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Reconnect the connectors, reinstall components etc.
• Connect VCT2000
• Start the engine. Let the engine run until it reaches operating temperature.

  Read off the MAFH parameter.

  The value should be 8-13 kg/h when idling. It should increase with throttle opening.

  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the value OK? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Information