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Home >> Nissan-Datsun >> 2004 >> Quest SE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P1402: EGR Function >> DTC Confirmation Procedure >> Testing Condition: >> With CONSULT-II
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With CONSULT-II

  1. Turn ignition switch OFF, and wait at least 10 seconds, and then turn ON.
  2. Select "EGR SYSTEM P1402" of "EGR SYSTEM" in "DTC WORK SUPPORT" mode with CONSULT-II.
  3. Touch "START".
  4. Start engine and let it idle until "TESTING" on CONSULT-II screen is turned to "COMPLETED". (It will take 80 seconds or more.)
    Fig 1: Identifying CONSULT-II Screens
    G00775839Courtesy of NISSAN MOTOR CO., U.S.A.

    If "TESTING" is not displayed after 5 minutes, turn ignition OFF and cool the engine coolant temperature to the range of -10 to 50°C (14 to 122°F). Retry from step 1. 

  5. Make sure that "OK" is displayed after touching "SELF-DIAG RESULTS". If "NG" is displayed, refer toDIAGNOSTIC PROCEDURE  .