Checking vacuum downstream of the canister purge (CP) valve

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

Disconnect the hose between the canister purge (CP) valve and EVAP canister from the canister purge (CP) valve.
Engine idling.
Select Volvo Scan Tool (ST) to activate the canister purge (CP) valve.
Check that there is no vacuum in the canister purge (CP) valve when the valve is not activated.

Fig 2: Identifying Scan Tool
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Vacuum Pump On Canister Purge (CP) Valve
Courtesy of VOLVO CARS OF NORTH AMERICA.

Is there a vacuum?

YES
Refer to Replacing canister purge (CP) valve
NO
Refer to Checking hose