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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Warning Systems >> Driver Assistance System (ADAS Control Unit) (Introduction, Wiring Diagrams And Basic Inspection) >> DTC/Circuit Diagnosis >> C1A03 Vehicle Speed Sensor >> ADAS Control Unit >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.
(On board display)
CONSULT screen items
(Trouble diagnosis content)
DTC detection condition
C1A03
(3)
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 A/T 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