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Home >> Infiniti >> 2021 >> QX50 Essential, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2 Of 3) >> Basic Inspection >> VCR Base Position Learning >> Work Procedure >> Description
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Work Procedure: Description

VCR control module requires the learning of VCR base position.

This learning must be performed where the following operations are performed:

  1. PRECONDITIONING 

    Check that all of the following conditions are satisfied.

    • Engine oil temperature: 60 deg. C (140 deg. F) or more
    • Engine running: idle speed
    • Accelerator pedal: Full released

    YES

    GO TO 2.

  2. PERFORM VCR BASE POSITION LEARNING 

    SYMBOL With CONSULT

    1. Select "VCR base position learning" in "WORK SUPPORT" mode of "ENGINE" using CONSULT.
    2. Touch "START".

    Is "CMPLT" displayed on CONSULT screen?

    YES

    GO TO 3.

    NO

    Check that DTC is not detected and restart the learning.

  3. ERASE DTC 

    SYMBOL Without CONSULT

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

    END