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Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 3) >> Basic Inspection >> Turbocharger WASTEGATE Control Solenoid Valve Data Initialization >> Work Procedure
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Work Procedure

  1. PRECONDITIONING 

    Check that the engine is cold [coolant temperature: 50 deg.C (122 deg.F) or less].

    Is the engine cold?

    YES

    GO TO 2.

    NO

    Park the vehicle at a cold place and cool down the engine. And then, GO TO 2.

  2. INITIALIZING A LEARNING VALUE 

    SYMBOL With CONSULT

    1. Start the engine and let it idle at least 10 seconds.
    2. On CONSULT screen, select "ENGINE" >> "Active Test" >> "WASTEGATE ACTUATOR".
    3. Operate the actuator from the fully closed position to the fully open position and check that actual value is within the range of (- 0.00052) - (+ 0.00052) m when the target value is set at 0 m.

    YES

    END