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Home >> Volvo >> 2008 >> S40 T-5, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Dynamic Stability Assist (DSA) & Electronic Control Module (ECM) Diagnostic Trouble Codes (644 Body)) >> DSA-311: Wheel Speed Signal, Left Front Wheel. Faulty Signal (B4204T2 CVVT; 2000) >> Faulty signal >> Faulty signal. Intermittent fault >> Checking wiring and terminals

Checking wiring and terminals

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Check DSA control module and ABS control module connectors for contact resistance and oxidation according to. Contact resistance and oxidation .

Check the cable between the DSA control module:

  1. terminal 2 and ABS control module terminal 25 (diagnostic trouble code (DTC) DSA-311)
  2. terminal 3 and ABS control module terminal 26 (diagnostic trouble code (DTC) DSA-312)
  3. terminal 4 and ABS control module terminal 23 (diagnostic trouble code (DTC) DSA-313)
  4. terminal 12 and ABS control module terminal 24 (diagnostic trouble code (DTC) DSA-314)

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

Check that the cable is not too close to sources of interference such as electric motors, ignition cables, carphone cables etc.

Other information 

Fig 1: Identifying DSA Control Module Terminals
GLL118762Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.