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Home >> Nissan-Datsun >> 2008 >> Altima Hybrid >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Hybrid) >> Component Diagnosis >> P0643 Sensor Power Supply >> 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 8V at idle. 

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE
    1. Turn ignition switch ON (READY).
    2. Depress the accelerator pedal to start engine, then keep engine running for at least 1 second.
    3. Check DTC.

    Is DTC detected? 

    YES : Go to "DIAGNOSIS PROCEDURE ".

    NO : INSPECTION END