Checking the signal cable

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 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.
Check the cable between the canister purge (CP) valve connector terminal 1 (control module side) and engine control module (ECM) connector terminal 4 for a short-circuit to ground according to Short-circuit to ground, permanent faults .

Remedy as necessary.

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

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

Fig 5: EMS2000
Courtesy of VOLVO CARS OF NORTH AMERICA.

Continue
Refer to Verification