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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control Module (ECM) Diagnostic Trouble Codes - 4 Of 11 >> ECM-2910: Front Lambda Probe Pre-Heating, Bank 2. Signal Too Low. Intermittent Fault. (B6284T; 1999-2001) >> Signal too low. Intermittent fault >> Checking cables

Checking cables

Check signal cable between heated oxygen sensor (HO2S) #4 and control module #A17 (#A17) for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults .

Other information 

Fig 1: Identifying Front Heated Oxygen Sensor Connector Terminals
GLL104133Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 3: Identifying Front Heated Oxygen Sensor
GLL102931Courtesy of VOLVO CARS OF NORTH AMERICA.