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HOMESERVICE MANUALSHYUNDAI2011SANTA FE GLS, 3.5 G, AWDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTILOCK BRAKE SYSTEM (ABS)/ELECTRONIC STABILITY CONTROL (ESC) DIAGNOSISDTC C1201: WHEEL SPEED SENSOR FRONT-LH RANGE/PERFORMANCE/INTERMITTENTGENERAL INFORMATIONDTC DETECTING CONDITION
2011 Hyundai Santa Fe GLS, 3.5 G, AWD

General Information: DTC Detecting Condition

2011 Hyundai Santa Fe GLS, 3.5 G, AWDSECTION DTC Detecting Condition
DTC DETECTION CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • Signal monitoring
  • Improper installation of wheel speed sensor
  • Abnormal Rotor and wheel bearing
  • Faulty Wheel speed sensor (FL)
  • External noise
Case 1 Monitoring Period
  • The monitoring is active from 10 km/h to 80km/h and if no ABS-control is active at a front wheel and a rear wheel.
Enable Conditions
  • Every time, if a gap in the wheel speed sensor signal occurs cyclically with one wheel rotation, a fault counter is increased by one. If the fault counter exceeds its limit of 10, a wheel specific fault is stored in the EEPROM.
Case 2 Monitoring Period
  • Continuous
Enable Conditions
  • If following interference and signal disturbance is detected, a failure is set after 10s.
    • non-plausible high frequency received.
    • non-plausible high wheel acceleration.
    • non-plausible high wheel jerk.
    • non-plausible delta T and edges at low speed.
Fail-Safe
  • Sensor failure outside of the ABS control cycle
    1. 1~2 wheel failure
      • Only the ABS/ESC functions are inhibited.
      • The ABS/ESC warning lamps are activated and the EBD warning lamp is not activated.
    2. More than 3 wheels failure
      • The ABS/EBD/ESC functions are inhibited.
      • The ABS/EBD/ESC warning lamps are activated.
  • Sensor failure inside the ABS control cycle
    1. 1~2 wheel failure
      • The ABS/ESC functions are inhibited after end of control.
      • The ABS/ESC warning lamps are activated and the EBD warning lamp is not activated.
    2. More than 3 wheels failure
      • The ABS/EBD/ESC functions are inhibited.
      • The ABS/EBD/ESC warning lamps are activated.

        * Control of the corresponding wheel is no longer possible. If a sensor fault occurs on a front wheel, pressure is increased; on a rear wheel, pressure is decreased.
RENDER: 1.0x

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