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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti Lock Brake System (Abs) & Brake Control Module (BCM) Diagnostic Trouble Codes >> Abs-0070: Pump Motor. Faulty Signal. Intermittent Fault (1999-2001) >> Faulty signal. Intermittent fault >> Signal faulty. Intermittent fault >> Intermittent fault

Intermittent fault

Check the control unit and pump motor connectors for contact resistance and oxidation, as described in Contact resistance and oxidation .

Check the wires between the pump motor connector and the pump motor for an intermittent open circuit as described in Open-circuit, intermittent faults .

Check the wire between the battery and control unit #47 for an intermittent open circuit, as described in Open-circuit, intermittent faults .

Do the necessary corrective action.

Additional information: 

Fig 1: Breakout Box
GLL100304Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.