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Home >> Nissan-Datsun >> 2004 >> Quest SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P0405, P0406: EGRT Sensor >> DTC Confirmation Procedure >> Testing Condition: >> With CONSULT-II
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With CONSULT-II

  1. Start engine and warm it up to normal operating temperature.
  2. Select "EGR VOL CONT/V" in "ACTIVE TEST" mode with CONSULT-II.
    Fig 1: Displaying Active Test Screen
    G00775390Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Hold engine speed at 1,500 RPM.
  4. Touch "Qu" and set the EGR volume control valve opening to 50 step and check "EGR TEMP SEN" indication.

    "EGR TEMP SEN" indication should decrease to less than 1.0V. If the check result is NG, go to DIAGNOSTIC PROCEDURE  . If the check result is OK, go to the following step.

  5. Turn ignition switch OFF and wait at least 10 seconds.
  6. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-II.
  7. Start engine and maintain the following conditions for at least 5 consecutive seconds.
    Fig 2: Checking Reference Chart
    G00775391Courtesy of NISSAN MOTOR CO., U.S.A.
  8. If 1st trip DTC is detected, go to , "DIAGNOSTIC PROCEDURE  "
    Fig 3: Displaying Data Monitor Screen
    G00775392Courtesy of NISSAN MOTOR CO., U.S.A.