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Home >> Volvo >> 2005 >> S80 Base, 2.5 59, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 3 Of 11 >> ECM-2400: Fuel Pump (FP) Relay. Signal Too High. Intermittent Fault (B5254T2; 2004) >> Signal too high. Intermittent fault >> Checking cables

Checking cables

Check the cable between engine control module (ECM) #B45 (#B55) and central electronic module #14B (#A34) for an intermittent short-circuit to supply voltage according to Short-circuit to supply voltage, intermittent faults .

Other information 

Fig 1: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Frequency Controlled Mechanical Relay
GLL102821Courtesy of VOLVO CARS OF NORTH AMERICA.