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Home >> Nissan-Datsun >> 2007 >> X-Trail LE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0139 >> DTC P0127 IAT Sensor >> DTC Confirmation Procedure

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: 

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. 

WITH CONSULT-II 

  1. Wait until engine coolant temperature is less than 90°C (194°F)
    1. Turn ignition switch ON.
    2. Select "DATA MONITOR" mode with CONSULT-II.
    3. Check the engine coolant temperature.
    4. If the engine coolant temperature is not less than 90°C (194°F), turn ignition switch OFF and cool down engine.
      • 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-II.
  4. Start engine.
  5. Hold vehicle speed at more than 70 km/h (43 MPH) for 100 consecutive seconds.
  6. If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE ".
Fig 1: Generic Scan Tool - Engine Coolant Temperature
G06152436Courtesy of NISSAN MOTOR CO., U.S.A.

WITH GST 

Follow the procedure "WITH CONSULT-II" above.