Checking connector

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
• Check ignition coil connector for contact resistance and oxidation according to Contact resistance and oxidation .
• Reinstall components, reconnect connectors etc.
• Start the engine and let it idle.

  Engine should fire on all cylinders.

  If the engine is OK it means that the cause of the fault has been loose connections in the connector.

  Other information 

  • To access/replace the ignition coil, see Replacing ignition coils .
  • For information about signals, see Signal description .
  Fig 3: Identifying Connector Terminals

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 4: Identifying Ignition Coil

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the engine idling evenly? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Checking wiring and components