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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
P1722 ESTM VEH SPD SIG
  • CAN communication with the ABS actuator and the electric unit (control unit) is malfunctioning.
  • There is a big difference between the vehicle speed signal from the ABS actuator and the electric unit (control unit), and the vehicle speed sensor signal.
  • Harness or connectors (Sensor circuit is open or shorted.)
  • ABS actuator and electric unit (control unit)
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