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Home >> Infiniti >> 2013 >> FX37 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0198 >> DTC P0011, P0021: IVT Control >> DTC Logic >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. PRECONDITIONING 

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

    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.

      TESTING CONDITION: 

      Before performing the following procedure, confirm that battery voltage is between 10 V and 16 V at idle. 

      : GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE-I 
    1. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT.
    2. Start engine and warm it up to the normal operating temperature.
    3. Maintain the following conditions for at least 6 consecutive seconds. Hold the accelerator pedal as steady as possible.
      VHCL SPEED SE 100 - 120 km/h (63 - 75 mph)
      ENG SPEED 1, 200 - 2, 000 RPM
      COOLAN TEMP/S More than 60°C (140°F)
      B/FUEL SCHDL More than 7.3 msec
      Selector lever D position
      CAUTION: Always drive at a safe speed.
    4. Stop vehicle with engine running and let engine idle for 10 seconds.
    5. Check 1st trip DTC.

      Is 1st trip DTC detected?

      YES: Go to "DIAGNOSIS PROCEDURE "

      NO: GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE-II 
    1. Select "DATA MONITOR" mode with CONSULT.
    2. Maintain the following conditions for at least 20 consecutive seconds.
      ENG SPEED 1, 700 - 3, 175 RPM (A constant rotation is maintained.)
      COOLAN TEMP/S More than 70°C (158°F)
      Selector lever 1st or 2nd position
      Driving location Driving vehicle uphill
      (Increased engine load will help maintain the driving conditions required for this test.)
      CAUTION: Always drive at a safe speed.
    3. Check 1st trip DTC.

      Is 1st trip DTC detected? 

      YES: Go to "DIAGNOSIS PROCEDURE ".

      NO: INSPECTION END