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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2413 (Engine Control System - DTCS P0643 To P2A03 (VQ40DE)) >> DTC P1574: ASCD Vehicle Speed Sensor >> On Board Diagnosis Logic

On Board Diagnosis Logic

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

This self-diagnosis has the one trip detection logic  .

The MIL will not illuminate for this diagnosis  .

NOTE:
  • If DTC P1574 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
  • If DTC P1574 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to "ON BOARD DIAGNOSIS LOGIC ".
  • If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500. Refer to "ON BOARD DIAGNOSIS LOGIC ".
  • If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to "ON BOARD DIAGNOSIS LOGIC ".
DTC No. Trouble Diagnosis Name DTC Detecting Condition Possible Cause
P1574
1574
ASCD vehicle speed sensor The difference between the two vehicle speed signals is out of the specified range.
  • Harness or connectors (The CAN communication line is open or shorted.)
  • Combination meter
  • ABS actuator and electric unit (control unit)
  • Wheel sensor
  • TCM
  • ECM