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Home › Nissan-Datsun › 2011 › Sentra SE-R › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTCS U0101 To P0153 (Qr25DE) › DTC P0125 ECT Sensor › DTC Confirmation Procedure › With Consult-III

With Consult-III

  1. Turn ignition switch ON.
  2. Select "DATA MONITOR" mode with CONSULT-III.
  3. Check that "COOLAN TEMP/S" is above 20°C (68°F).

    If it is above 20°C (68°F), the test result will be OK  .

    If it is below 20°C (68°F), GO TO following step  .

  4. Start engine and run it for 65 minutes at idle speed.

    If "COOLAN TEMP/S" increases to more than 20°C (68°F) within 65 minutes, stop engine because the test result will be OK  .

  5. Check 1st trip DTC.
  6. If 1st trip DTC is detected, GO TO "DIAGNOSIS PROCEDURE ".


  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-III.
    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-III.
  4. Start engine.
  5. Hold vehicle speed at more than 70 km/h (43 MPH) for 100 consecutive seconds.
  6. Check 1st trip DTC.
  7. If 1st trip DTC is detected, GO TO "DIAGNOSIS PROCEDURE ".
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