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Home >> Nissan-Datsun >> 2008 >> Altima Hybrid >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Hybrid) >> Component Diagnosis >> P2A00 A/F Sensor 1 >> DTC Logic >> DTC Confirmation Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Confirmation Procedure

  1. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

      TESTING CONDITION: 

      Before performing the following procedure, confirm that battery voltage is more than 11V at idle. 

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE
    1. Clear the mixture ratio self-learning value. Refer to "MIXTURE RATIO SELF-LEARNING VALUE CLEAR : Special Repair Requirement ".
    2. Turn ignition switch OFF and wait at least 10 seconds.
    3. Activate "INSPECTION MODE 1 " to start engine, and warm up engine to normal operating temperature.
    4. Turn ignition switch OFF and wait at least 10 seconds.
    5. Turn ignition switch ON.
    6. Turn ignition switch OFF and wait at least 10 seconds.
    7. Turn ignition switch ON (READY).
    8. Drive vehicle at a speed of 80 km/h (50 MPH) or more for at least 3 consecutive minutes.
      CAUTION: Always drive vehicle in safe manner according to traffic conditions and obey all traffic laws.
      NOTE: Keep the vehicle speed as steady as possible during the cruising.
    9. Stop the vehicle and shift the selector lever to P position.
    10. Repeat following procedure 4 times.
      • Fully depress the accelerator pedal and keep the engine speed 2,500 rpm for 5 minutes.
      • Fully release the accelerator pedal.
    11. Check 1st trip DTC.

    Is 1st trip DTC detected? 

    YES : Go to "DIAGNOSIS PROCEDURE ".

    NO : INSPECTION END