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Home >> Volvo >> 2001 >> S40 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Electronic Control Module (ECM) Diagnostic Trouble Codes - 3 Of 3 (644 Body) >> ECM-A3: System Relay Output Signal Too Low. Permanent Fault (B4204T3; 2004) >> Signal too low. Permanent fault >> Verification >> Verification

Signal too low. Permanent fault: Verification: Verification

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Identifying Ignition ON
GLL101051Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the function OK?