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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1002 (Automatic Transmission (Re0F09B)) >> Component Diagnosis >> P0720 Vehicle Speed Sensor CVT (Secondary Speed Sensor) >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC CHART

DTC Item (CONSULT-III screen term) Malfunction is detected when... Possible cause
P0720 VEH SPD SEN/CIR AT
  • Signal from vehicle speed sensor CVT [output speed sensor (secondary speed sensor)] is not input due to open or short circuit.
  • An unexpected signal is input during running.
  • Harness or connectors (Sensor circuit is open or shorted.)
  • Output speed sensor (secondary speed sensor)
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