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Home >> Infiniti >> 2009 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> Transmission >> Automatic Transmission -- Convertible >> DTC/Circuit Diagnosis >> DTC P0720: Output Speed Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC DETECTION CONDITION AND POSSIBLE CAUSES REFERENCE CHART

DTC Trouble diagnosis name DTC is detected if... Possible cause
P0720 Output Speed Sensor Circuit
  • The output speed sensor recognizes that the vehicle speed is 5 km/h (3 MPH) or less even if the vehicle speed signal recognizes that the vehicle speed is 20 km/h (12 MPH) or more. (Only when starts after the ignition switch is turned ON).
  • The vehicle speed recognized by the output speed sensor decelerates 36 km/h (23 MPH) or more during 60 msec when the output speed sensor recognizes that the vehicle speed is 36 km/h (23 MPH) or more and the vehicle speed signal recognizes that the vehicle speed is 24 km/h (15 MPH) or more.
  • The vehicle speed of output speed sensor decelerates 36 km/h (23 MPH) or more even if the vehicle speed of vehicle speed signal accelerates or decelerates 24 km/h (15 MPH) or less during 60 msec when the output speed sensor recognizes that the vehicle speed is 36 km/h (23 MPH) or more.
  • Harness or connectors (Sensor circuit is open).
  • Output speed sensor
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