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Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 To P0448 >> DTC P0138, P0158 Ho2S2 >> DTC Confirmation Procedure >> Procedure For Malfunction A >> With CONSULT-II

With CONSULT-II

  1. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-II.
  2. Start engine and warm it up to the normal operating temperature.
  3. Turn ignition switch OFF and wait at least 10 seconds.
  4. Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for at least 1 minute under no load.
  5. Let engine idle for 2 minutes.
  6. If 1st trip DTC is detected, go to "PROCEDURE FOR MALFUNCTION A ".
    Fig 1: CONSULT-II Display - DATA MONITOR
    G04900167Courtesy of NISSAN NORTH AMERICA, INC.
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