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Home >> Infiniti >> 2022 >> QX55 Essential >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC U1002: System Comm (Can) >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC No.

CONSULT screen item

(Trouble diagnosis content)

DTC detected condition

U1002-01

SYSTEM COMM (CAN)

(CAN system communication)

Diagnosis condition

  • When ignition switch is ON.
  • When power supply voltage is normal.

Signal (terminal)

CAN communication signal

Threshold

When ABS actuator and electric unit (control unit) is not transmitting or receiving CAN communication signal.

Diagnosis delay time

2 seconds or less