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Home >> Infiniti >> 2006 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1225 To P2A03 >> DTC P2A00, P2A03 A/F Sensor 1 >> DTC Confirmation Procedure >> With Consult-II

With Consult-II

  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Turn ignition switch ON and select " SELF-LEARNING CONT" in " WORK SUPPORT" mode with CONSULT-II.
  4. Clear the self-learning coefficient by touching " CLEAR".
  5. Turn ignition switch OFF and wait at least 10 seconds.
  6. Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for 1 minute under no load.
  7. Let engine idle for 1 minute.
  8. Keep engine speed between 2, 500 and 3, 000 rpm for 20 minutes.
  9. If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE ".
    Fig 1: Consult-II WORK SUPPORT Display Screen
    G04080618Courtesy of NISSAN MOTOR CO., U.S.A.