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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-0010: Left Front Wheel Sensor. Signal Missing. Intermittent Fault (1999-2001) >> Signal missing. Intermittent fault >> Checking wiring and terminals

Checking wiring and terminals

Check the control module and the relevant wheel sensor connectors. Check for intermittent contact resistance and oxidation according to Contact resistance and oxidation .

Check the wiring between the relevant wheel sensor connectors:

Diagnostic Trouble Code (DTC) ABS-0010 Front left wheel sensor 

terminal #2 and control module terminal #1

Diagnostic Trouble Code (DTC) ABS-0020 Front right wheel sensor 

terminal #1 and control module terminal #20

check for an intermittent open-circuit according to Open-circuit, intermittent faults . Check for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults . Check for an intermittent short-circuit to supply according to Short-circuit to supply voltage, intermittent faults .

Check the wiring between the relevant wheel sensor connectors:

Diagnostic Trouble Code (DTC) ABS-0010 Front left wheel sensor 

terminal #2 and control module terminal #1

Diagnostic Trouble Code (DTC) ABS-0020 Front right wheel sensor 

terminal #2 and control module terminal #19

check for an intermittent open-circuit according to Open-circuit, intermittent faults . Check for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults . Check for an intermittent short-circuit to supply according to Short-circuit to supply voltage, intermittent faults .

Remedy as necessary.

Other information: 

Fig 1: Identifying Terminal Connectors
GLL104060Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.