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Home >> Infiniti >> 2009 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1140 To P2A03 >> DTC P1140, P1145: IVT Control Position Sensor >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next step.
    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Select "DATA MONITOR" mode with CONSULT-III.
  4. Maintain the following conditions for at least 10 seconds.
    ENGINE OPERATING CONDITIONS

    ENG SPEED More than idle speed
    Selector lever P or N position
  5. Check 1st trip DTC.
  6. If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".
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