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Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 5) >> DTC/Circuit Diagnosis >> DTC P2101: Electric Throttle Control Function >> DTC Description >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. CHECK DTC PRIORITY 

    If DTC P2101 is displayed with DTC P2100 or P2119, first perform the trouble diagnosis for DTC P2100 or P2119.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable.

    NO

    GO TO 2.

  2. PRECONDITIONING 

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure 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 11 V at idle.

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch ON and wait at least 2 seconds.
    2. Start engine and let it idle for 5 seconds.
    3. Check DTC.

    Is DTC detected?

    YES

    Proceed to Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Intermittent Incident .

    NO

    Confirmation after repair: INSPECTION END