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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2391 (Engine Control System - DTCS P1550 To P2A03) >> DTC P2A00, P2A03 A/F Sensor 1 >> DTC Confirmation Procedure >> With GST

With GST

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. 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: Identifying Mass Air Flow Sensor Harness Connector
    G04895459Courtesy of NISSAN NORTH AMERICA, INC.
  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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