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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
P1721 VEH SPD SE/CIR-MTR -
  • Signal (CAN communication) from vehicle speed sensor MTR not input due to cut line or the like.
  • Unexpected signal input during running.
 Harness or connectors (Sensor circuit is open or shorted.)
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