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Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 281 (Brake Control System (Diagnostics)) >> Description >> System (Brake Control) >> Brake Control System >> Fail-safe >> Brake Control System (Diagnostics)
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Brake Control System (Diagnostics)

WARNING: This page is about a different car, the 2020 Infiniti QX80. However, it is still accessible from the selected car via links, so may be relevant.

DTC

Malfunction detected condition

Fail-safe condition

C1101

When an open circuit is detected in rear RH wheel sensor circuit.

The following functions are suspended.

  • VDC function
  • TCS function
  • ABS function
  • EBD function (only when both 2 rear wheels are malfunctioning)
  • hill start assist function
  • Brake limited slip differential (BLSD) function
  • Trailer sway control function

C1102

When an open circuit is detected in rear LH wheel sensor circuit.

C1103

When an open circuit is detected in front RH wheel sensor circuit.

C1104

When an open circuit is detected in front LH wheel sensor circuit.

C1105
  • When power supply voltage of rear RH wheel sensor is low.
  • When distance between rear RH wheel sensor and rear RH wheel sensor rotor is large.
  • When installation of rear RH wheel sensor or rear RH wheel sensor rotor is not normal.
  • When there is contamination on or damage to the rear RH wheel sensor or rear RH sensor rotor.

C1106
  • When power supply voltage of rear LH wheel sensor is low.
  • When distance between rear LH wheel sensor and rear LH wheel sensor rotor is large.
  • When installation of rear LH wheel sensor or rear LH wheel sensor rotor is not normal.
  • When there is contamination on or damage to the rear LH wheel sensor or rear LH sensor rotor.

C1107
  • When power supply voltage of front RH wheel sensor is low.
  • When distance between front RH wheel sensor and front RH wheel sensor rotor is large.
  • When installation of front RH wheel sensor or front RH wheel sensor rotor is not normal.
  • When there is contamination on or damage to the front RH wheel sensor or front RH sensor rotor.

C1108
  • When power supply voltage of front LH wheel sensor is low.
  • When distance between front LH wheel sensor and front LH wheel sensor rotor is large.
  • When installation of front LH wheel sensor or front LH wheel sensor rotor is not normal.
  • When there is contamination on or damage to the front LH wheel sensor or front LH sensor rotor.

C1109

When ignition power supply voltage is in following state.

  • Ignition power supply voltage: 10 V ≤ ignition power supply voltage.
  • Ignition power supply voltage: 16 V ≥ ignition power supply voltage.

The following functions are suspended.

  • VDC function
  • TCS function
  • ABS function
  • EBD function
  • hill start assist function
  • Brake limited slip differential (BLSD) function
  • Trailer sway control function

C1111
  • When a malfunction is detected in motor or motor relay.
  • When a low pressure malfunction is detected in accumulator.
  • When a malfunction is detected in accumulator pressure sensor.

C1115

When difference in wheel speed between any wheel and others is detected during the vehicle is driven, because of installation of other tires than specified.

The following functions are suspended.

  • VDC function
  • TCS function
  • ABS function
  • hill start assist function
  • Brake limited slip differential (BLSD) function
  • Trailer sway control function

C1116
  • When stop lamp switch signal is not input when brake pedal depress.
  • When stop lamp switch signal is not input when stop lamp relay operates.

C1118 *1

When a malfunction is detected in transfer control unit system.

C1120

When a malfunction is detected in front LH ABS IN valve.

The following functions are suspended.

  • VDC function
  • TCS function
  • ABS function
  • EBD function
  • hill start assist function
  • Brake limited slip differential (BLSD) function
  • Trailer sway control function

C1121

When a malfunction is detected in front LH ABS OUT valve.

C1122

When a malfunction is detected in front RH ABS IN valve.

C1123

When a malfunction is detected in front RH ABS OUT valve.

C1124

When a malfunction is detected in rear LH ABS IN valve.

C1125

When a malfunction is detected in rear LH ABS OUT valve.

C1126

When a malfunction is detected in rear RH ABS IN valve.

C1127

When a malfunction is detected in rear RH ABS OUT valve.

C1130

When a malfunction is detected in ECM system.

The following functions are suspended.

  • VDC function
  • TCS function
  • hill start assist function
  • Brake limited slip differential (BLSD) function
  • Trailer sway control function

C1140

When a malfunction is detected in actuator relay.

The following functions are suspended.

  • VDC function
  • TCS function
  • ABS function
  • EBD function
  • hill start assist function
  • Brake limited slip differential (BLSD) function
  • Trailer sway control function

C1142 *2

When a malfunction is detected in master cylinder pressure sensor or control pressure sensor.

The following functions are suspended.

  • VDC function
  • TCS function
  • hill start assist function
  • Brake limited slip differential (BLSD) function
  • Trailer sway control function

C1143

When a malfunction is detected in steering angle sensor.

C1144

When neutral position adjustment of steering angle sensor is not complete.

C1145
  • When a malfunction is detected in yaw rate signal.
  • When a signal line of yaw rate/side/decel G sensor is open or shorted.

C1146
  • When a malfunction is detected in side/decel G signal.
  • When a signal line of yaw rate/side/decel G sensor is open or shorted.

The following functions are suspended.

  • VDC function
  • TCS function
  • ABS function
  • hill start assist function
  • Brake limited slip differential (BLSD) function
  • Trailer sway control function

C1155
  • When brake fluid level low signal is detected.
  • When an open circuit is detected in brake fluid level switch circuit.

C1160

When calibration of yaw rate/side/decal G sensor is not complete.

C1164

When a malfunction is detected in cut valve 1.

The following functions are suspended.

  • VDC function
  • TCS function
  • ABS function
  • EBD function
  • hill start assist function
  • Brake limited slip differential (BLSD) function
  • Trailer sway control function

C1165

When a malfunction is detected in cut valve 2.

C1166

When a malfunction is detected in suction valve 1.

C1167

When a malfunction is detected in suction valve 2.

C1170

When the information in ABS actuator and electric unit (control unit) is not the same.

The following functions are suspended.

  • VDC function
  • TCS function
  • ABS function
  • hill start assist function
  • Brake limited slip differential (BLSD) function
  • Trailer sway control function

C118E

When performing excessive brake pedal operation with the vehicle stopped. [When accumulator fluid pressure reaches 11.43 MPa (114 bar, 116.6 kg/cm 2 , 1657 psi) after reaching 17.3 MPa (173 bar, 176.5 kg/cm 2 , 2509 psi.]

The following functions are suspended.

  • VDC function
  • TCS function
  • ABS function
  • EBD function
  • hill start assist function
  • Brake limited slip differential (BLSD) function
  • Trailer sway control function

U1000

When CAN communication signal is not continuously received for 2 seconds or more.

The following functions are suspended.

  • VDC function
  • TCS function
  • ABS function
  • hill start assist function
  • Brake limited slip differential (BLSD) function
  • Trailer sway control function

*1: Models with 4WD System

*2: Models with Advanced Driver Assistance System

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