Faulty signal: Verification: Overview

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
• Reinstall the connectors, components etc.
• Start the engine
• Read off the diagnostic status and the fault status for diagnostic trouble code (DTC) ECM-919A.

  Check that the fault status is "NO FAULT FOUND" when the diagnostic status is COMPLETED. If the fault status is "FAULT FOUND" when the diagnostic status is COMPLETED there is a fault.

  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the fault status "NO FAULT FOUND" when the status of the diagnostic is completed? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Programming the engine control module (ECM)