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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> ADAS Control Unit (DTC/Circuit Diagnosis) (1 Of 2) >> DTC C1A03: Vehicle Speed Sensor >> ADAS Control Unit >> With Direct Adaptive Steering System >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

DTC detection condition

(Trouble diagnosis content)

[Malfunction type]

C1A03

00

VHCL SPEED SE CIRC

(Vehicle speed sensor circuit)

--

Diagnosis condition

  • When engine is running
  • When MAIN switch of ICC system is ON

Signal (terminal)

--

Threshold

If the vehicle speed signal (wheel speed) from ABS actuator and electric unit (control unit) and the CVT vehicle speed sensor signal (output shaft revolution signal) from TCM, received by the ADAS control unit via CAN communication, are inconsistent

Diagnosis delay time

1 second or less