Checking air flow

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Expose the canister purge (CP) valve
Remove the hose from the canister purge (CP) valve to the EVAP canister
Ignition on.
Activate the canister purge (CP) valve by clicking on the VCT-2000 symbol.

Check that the connection with the intake manifold opens and closes when the canister purge (CP) valve opens and closes: Blow into the exposed terminal in the canister purge (CP) valve.

NOTE:
A certain resistance will be felt because of the non-return valve.

If necessary, remedy the hoses / hoses connections for the intake manifold.

Replace the non-return valves or canister purge (CP) valve if necessary.
- To access the canister purge (CP) valve, see Replacing the canister purge (CP) valve
- To connect the breakout box, see Connecting the breakout box. EMS 2000
- For information about signals, see Signal specification .
Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying EVAP System Components
Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected?

YES
Refer to Verification
NO
Refer to Checking hoses