Checking the canister purge (CP) valve

Fig 1: Identifying Ignition ON

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Fig 2: Identifying Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Canister purge (CP) valve connector disconnected
• Ignition on.

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

  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 power supply 

• NOT OK 

  Refer to Defective canister purge (CP) valve