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Home >> Nissan-Datsun >> 2004 >> Frontier Base, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System - VG33ER) >> DTC P0420, P0430: Three Way Catalyst Function >> DTC Confirmation Procedure >> Testing Condition
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Testing Condition

WARNING: This page is about a different variant/trim than selected.
  1. Start engine and warm it up to the normal operating temperature.
  2. Turn ignition switch OFF and wait at least 5 seconds.
  3. Start engine and keep the engine speed at between 3, 500 and 4, 000 RPM for at least 1 minute under no load.
  4. Let engine idle for 1 minute.
  5. Open engine hood.
  6. Select "DTC & SRT CONFIRMATION" then "SRT WORK SUPPORT" mode with CONSULT-II.
  7. Rev engine up to 2, 000 to 3, 000 RPM and hold it for 3 consecutive minutes then release the accelerator pedal completely.

    If "INCMP" of "CATALYST" changed to "COMPLT", go to step  10.

  8. Wait 5 seconds at idle.
    Fig 1: Displaying SRT Work Support
    G00771538Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Rev engine up to 2, 000 to 3, 000 RPM and maintain it until "INCMP" of "CATALYST" changes to "CMPLT" (It will take approximately 5 minutes).

    If not "CMPLT", perform the following.

    Fig 2: Displaying SRT Work Support
    G00771539Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Select "SELF-DIAG RESULTS" mode with CONSULT-II.
  11. Confirm that the 1st trip DTC is not detected.

    If the 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE ".

    Fig 3: Displaying Self Diag Results
    G00771540Courtesy of NISSAN MOTOR CO., U.S.A.