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Home >> Infiniti >> 2008 >> FX35 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P1212 Through P2A03 (VQ35DE) >> DTC P1574 ASCD Vehicle Speed Sensor >> DTC Confirmation Procedure
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DTC Confirmation Procedure

CAUTION: Always drive vehicle at a safe speed.
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.

TESTING CONDITION: 

Step   2  may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle. 

  1. Start engine.
  2. Drive the vehicle at more than 40 km/h (25 MPH).
  3. Check 1st trip DTC.
  4. If DTC is detected, go to "DIAGNOSTIC PROCEDURE ".
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