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Home >> Nissan-Datsun >> 2021 >> Altima S >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Pr25DD) (DTC/Circuit Diagnosis) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P1A10: ECM Initial Learning Incomplete >> DTC Description >> PR25DD engine >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. PRECONDITIONING 

    If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

    TESTING CONDITION:

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

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    DTC Diagnosis Procedure 

    NO

    INSPECTION END

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