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Home >> Infiniti >> 2003 >> FX35 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1574: ASCD Vehicle Speed Sensor >> DTC Confirmation Procedure
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DTC Confirmation Procedure

NOTE: If DTC confirmation procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
NOTE: Step  3 may be conducted with the drive wheels raised and supported in the shop or by driving the vehicle. If a road test is expected to be easier, it is unnecessary to raise the vehicle.

Using CONSULT-II Or GST

  1. Start engine.
  2. Select DATA MONITOR mode.
  3. Drive the vehicle at more than 25 MPH.
  4. If DTC is detected, go to DIAGNOSTIC PROCEDURE . If DTC is not detected, system is okay at this time.