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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1430 (Engine Control System) >> DTC P1274, P1284: A/F Sensor 1 >> DIAGNOSTIC TROUBLE CODES Confirmation Procedure >> With GST

With GST

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Disconnect mass air flow sensor harness connector.
  4. Start engine and let it idle for at least 5 seconds.
  5. Stop engine and reconnect mass air flow sensor harness connector.
  6. Select Service $03 with GST and make sure that DTC P0102 is detected.
  7. Select Service $04 with GST and erase the DTC P0102.
  8. Start engine and keep the engine speed between 3, 500 and 4, 000 RPM for 1 minute under no load.
    Fig 1: Mass Air Flow Sensor
    G02401950Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Let engine idle for 1 minute.
  10. Keep engine speed between 2, 500 and 3, 000 RPM for 20 minutes.
  11. Select Service $07 with GST.

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

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