Checking vacuum at EVAP canister

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.

Ignition off.
Reinstall hose on canister purge (CP) valve.
Disconnect hose to canister purge (CP) valve from EVAP canister.
Start the engine and let it idle.
Read off fuel tank pressure and canister purge (CP) valve value.
Check that there is vacuum in the hose when the canister purge (CP) valve is activated.

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

Fig 3: Identifying Vacuum Check
Courtesy of VOLVO CARS OF NORTH AMERICA.

Is there a vacuum?

YES
Refer to Checking EVAP canister
NO
Refer to Checking hose