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Home >> Mazda >> 2016 >> 6 Touring, Standard Trans >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> On-Board Diagnostics [Dynamic Stability Control] >> DTC C0031-23; C0031-27; C0034-23; C0034-27; C0037-23; C0037-27; C0037-62; C003A-23; C003A-27; C003A-62: Abs Wheel-Speed Sensor >> Notes

DTC C0031-23; C0031-27; C0034-23; C0034-27; C0037-23; C0037-27; C0037-62; C003A-23; C003A-27; C003A-62: Abs Wheel-Speed Sensor: Notes

NOTE:
  • When only the driving wheels are rotated while the vehicle is jacked up, DTCs C0037:23 and C003A:23 are input to the memory.
DTC C0031:23, C0031:27 LF ABS wheel-speed sensor/ABS sensor rotor
C0034:23, C0034:27 RF ABS wheel-speed sensor/ABS sensor rotor
C0037:23, C0037:27, C0037:62 LR ABS wheel-speed sensor/ABS sensor rotor
C003A:23, C003A:27, C003A:62 RR ABS wheel-speed sensor/ABS sensor rotor
DETECTION CONDITION 
  • C0031:23, C0034:23, C0037:23, C003A:23
    • The wheel-speed signal is not input from any of the four wheels when the vehicle goes from start to a speed of 10 km/h {6.2 mph} or more 
    • While the vehicle is traveling, no signal in any of four wheels is detected for a continuous 30 s  .
  • C0031:27, C0034:27, C0037:27, C003A:27
    • Periodic abnormality is detected in the signal wave pattern from the ABS wheel-speed sensors.
    • ABS control continues to operate for 45 s or more  .
  • C0037:62, C003A:62
    • The following condition is detected 8 times  continuously (One detection period is when ignition is switched from ON to off)
      • While the vehicle is traveling at a speed of 20 km/h {12 mph} or more,  the wheel speed signal from the rear wheels is not input to the DSC HU/CM for a continuous 20 s  .
FAIL-SAFE FUNCTION 
POSSIBLE CAUSE 
  • ABS wheel-speed sensor malfunction
  • ABS sensor rotor malfunction (missing ABS sensor rotor teeth due to foreign material obstruction)
  • Excessive clearance between the ABS wheel-speed sensor and sensor rotor
  • ABS wheel-speed sensor or ABS sensor rotor installation malfunction (If the ABS sensor rotor is installed at an angle, it may cause output of abnormal wave pattern at high speeds)
  • DSC HU/CM internal damage (Solenoid valve malfunction, pump motor malfunction, or pipe clogging)
  • Continuous ABS operation
G10985922