LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 583 (Security Control System (DTCS)) >> BCM (BCM) >> DTC B2556: Push-Button Ignition Switch >> Confirmation Procedure >> Gasoline engine models
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Gasoline engine models

WARNING: This page is about a different car, the 2020 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Press push-button ignition switch under the following condition.
      • Brake pedal: Not depressed
    2. Release push-button ignition switch and wait 100 seconds or more.
    3. Check DTC in "Self Diagnostic Result" mode of "BCM" using CONSULT.

    Is DTC detected?

    YES

    Refer to DTC Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Inspection .

    NO

    Confirmation after repair: INSPECTION END