LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2012 >> FX50 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (VK50VE) - FX50 - DTC U0101, U0113, U1003, U1001, U1024 & P006A Through P0133 / P0153 >> DTC P0127: IAT Sensor >> DTC Logic >> DTC Confirmation Procedure

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: 

    This test 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. 

    : GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE

    With CONSULT 

    1. Wait until engine coolant temperature is less than 90°C (194°F)
      • Turn ignition switch ON.
      • Select "DATA MONITOR" mode with CONSULT.
      • Check the engine coolant temperature.
      • If the engine coolant temperature is not less than 90°C (194°F), turn ignition switch OFF and cool down engine.
      NOTE: Perform the following steps before engine coolant temperature is above 90°C (194°F):
    2. Turn ignition switch ON.
    3. Select "DATA MONITOR" mode with CONSULT.
    4. Start engine.
    5. Hold vehicle speed at more than 70 km/h (43 MPH) for 100 consecutive seconds.
      CAUTION: Always drive vehicle at a safe speed.
    6. Check 1st trip DTC.

    With GST 

    Follow the procedure "With CONSULT" above.

    Is 1st trip DTC detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: INSPECTION END