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Home >> Nissan-Datsun >> 2009 >> Versa Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0500 To P2A00 >> DTC P1574 ASCD Vehicle Speed Sensor >> On Board Diagnosis Logic

On Board Diagnosis Logic

This self-diagnosis has the one trip detection logic  .

The MIL will not light up for this diagnosis  .

NOTE:
  • If DTC P1574 is displayed with DTC U1000, U1001, first perform the trouble diagnosis for DTC U1000, U1001. Refer to DTC U1000, U1001 CAN COMMUNICATION LINE .
  • If DTC P1574 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC U1010 CAN COMMUNICATION .
  • If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500. Refer to DTC P0500 VSS .
  • If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to DTC P0605 ECM .
DTC DETECTING CONDITION REFERENCE CHART

DTC No. Trouble Diagnosis Name DTC Detecting Condition Possible Cause
P1574
1574		 ASCD vehicle speed sensor ECM detects a difference between two vehicle speed signals is out of the specified range.
  • Harness or connectors (CAN communication line is open or shorted.)
  • Harness or connectors (Combination meter circuit is open or shorted.)
  • TCM (A/T and CVT models)
  • Combination meter
  • Wheel sensor
  • ECM
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