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Home >> Volvo >> 2004 >> S40 LSE >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Electronic Control Module (ECM) Diagnostic Trouble Codes - 2 Of 3 (644 Body) >> ECM-7D: Air Conditioning (A/C) Relay Signal. Signal Too High. Permanent Fault (B4204T3; 2004) >> Signal too high. Permanent fault >> Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Signal too high. Permanent fault: Verification

Fig 1: Identifying Ignition ON
GLL101051Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Connecting Connector
GLL101069Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the air conditioning (A/C) relay click?