Checking terminals

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Disconnecting Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.
• Disconnect the engine control module (ECM) and DSA control module connectors.

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

  Remedy as necessary.

  Fig 3: Identifying Ohmmeter

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected? 

• YES 

  Refer to Verification 

• NO 

  Refer to Faulty signal