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DTC Detection Logic

DTC DETECTION LOGIC

DTC Item (CONSULT-III screen terms) A/T CHECK indicator lamp judgment flicker Diagnostic item is detected when... Possible cause
P0720 VEH SPD SEN/CIR AT 1st
  • Signal from vehicle speed sensor A/T (revolution sensor) not input due to cut line or the like.
  • Unexpected signal input during running.
  • After ignition switch is turned ON, unexpected signal input from vehicle speed sensor MTR before the vehicle starts moving.
  • Harness or connectors (Sensor circuit is open or shorted.)
  • Revolution sensor
  • Vehicle speed sensor MTR
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