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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System (VDC/TCS/Abs) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> C1115 Wheel Sensor >> DTC Description

DTC Description

DTC DETECTION LOGIC 

DTC No. CONSULT screen item(Trouble diagnosis content) DTC detected condition
C1115-04 ABS SENSOR [ABNORMAL SIGNAL](Wheel sensor [abnormal signal]) Diagnosis condition
  • When ignition switch is ON.
  • When power supply voltage is normal.
Signal (terminal) Wheel sensor circuit power supply
Threshold
  • When difference in wheel speed between any wheel and others is detected the vehicle is driven, because of installation of other tires than specified.
  • wheel speed sensor Supply short and battery
Diagnosis delay time 3.5 second or less
C1115-61 ABS SENSOR [ABNORMAL SIGNAL](Wheel sensor [abnormal signal]) Diagnosis condition
  • When ignition switch is ON.
  • When power supply voltage is normal.
Signal (terminal) Wheel sensor circuit power supply
Threshold
  • When difference in wheel speed between any wheel and others is detected the vehicle is driven, because of installation of other tires than specified.
  • wheel speed sensor Supply short and battery
Diagnosis delay time 3.5 second or less
C1115-94 ABS SENSOR [ABNORMAL SIGNAL](Wheel sensor [abnormal signal]) Diagnosis condition
  • When ignition switch is ON.
  • When power supply voltage is normal.
Signal (terminal) Wheel sensor circuit power supply
Threshold When difference in wheel speed between any wheel and others is detected the vehicle is driven, because of installation of other tires than specified.
Diagnosis delay time 60 second or less

POSSIBLE CAUSE 

NOTE: SYMBOL Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear the DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.
PAST DTC CRNT DTC
  • Harness or connector
  • Wheel sensor
  • Sensor rotor
  • ABS actuator and electric unit (control unit) power supply system
  • Fuse
  • Fusible link
  • Battery
  • Harness or connector
  • Wheel sensor
  • Sensor rotor
  • ABS actuator and electric unit (control unit)
  • ABS actuator and electric unit (control unit) power supply system
  • Fuse
  • Fusible link
  • Battery
  • Tire size

FAIL-SAFE 

The following systems are suspended: