Checking the connector

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Engine coolant temperature (ECT) sensor connector disconnected.

  Check the connector for contact resistance and oxidation according to Contact resistance and oxidation .

  Remedy as necessary.

  Fig 3: Identifying Terminal Connectors

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

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Were any faults found? 

• YES 

  Refer to Verification 

• NO 

  Refer to Checking the ground lead