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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1507 (Engine Control System) >> DTC P1273, P1283: A/F Sensor 1 >> Diagnostic Trouble Codes Confirmation Procedure >> With GST

With GST

WARNING: This page is about a different car, the 2005 Nissan Quest. 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.
    Fig 1: Disconnecting Mass Air Flow Sensor Harness Connector
    G02474399Courtesy of NISSAN MOTOR CO., U.S.A.
  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.
  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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