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Home >> Volvo >> 2004 >> V40 Base >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control Module (ECM) Diagnostic Trouble Codes - 3 Of 3 >> ECM-A3: System Relay Output Signal Too Low. Permanent Fault (B4204T2 CVVT; 2000) >> Signal too low. Permanent fault >> Checking cables

Checking cables

Check the cable between fuse no. 13 in the integrated relay / fusebox in the engine compartment and the system relay base terminal 5 for an open-circuit according to Open-circuit, permanent faults .

Fig 1: Identifying System Relay Base Connector Terminals
GLL114196Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.