Check canister purge (CP) valve

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 front canister purge (CP) valve connector.

  Connect an ohmmeter between canister purge (CP) valve terminals #1 and #2 (valve side).

  Fig 3: Identifying Canister Purge Valve Terminals

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

  Courtesy of VOLVO CARS OF NORTH AMERICA.

The ohmmeter should read approximately 21 Ω at +20 °C. 

• OK 

  Refer to Checking the signal cable 

• NOT OK 

  Refer to Defective canister purge (CP) valve