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Home >> Nissan-Datsun >> 2004 >> Quest S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P0127: IAT Sensor >> DTC Confirmation Procedure >> Testing Condition: >> With CONSULT-II
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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.
    Fig 1: Displaying Data Monitor Screen
    G00775560Courtesy of NISSAN MOTOR CO., U.S.A.
  6. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  .
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