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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 6 Of 11 >> ECM-4000 Canister Purge (Cp) Valve. Signal Missing. Permanent Fault (B5254T2; 2004) >> Signal missing. Permanent fault >> Checking components and wiring >> Notes

Checking components and wiring: Notes

Check the resistance of the evaporative emission system (EVAP) valve.

Check the signal cable between control module terminal #A9 (#A9) and evaporative emission system (EVAP) valve terminal 2. Check the power supply between system relay terminal 3 and evaporative emission system (EVAP) valve terminal 1. Check for an open-circuit.

Remedy as necessary.

Other information: 

Fig 1: Identifying Evaporative Emission System (EVAP) Valve Connector Terminals
GLL104075Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 3: Identifying Canister Purge (CP) Valve
GLL100939Courtesy of VOLVO CARS OF NORTH AMERICA.