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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 583 (Security Control System (DTCS)) >> BCM (BCM) >> DTC B26F4: Starter Control Relay >> Confirmation Procedure >> Gasoline engine models
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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. CHECK DTC PRIORITY 

    If DTC B26F4 is displayed with DTC U1000, or U1010 first perform the trouble diagnosis for DTC U1000, or U1010.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. U1000: Refer to DTC Description . U1010: Refer to DTC Description .

    NO

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Press push-button ignition switch under the following conditions to start engine, and wait 1 second or more.
      • Selector lever: In the P position
      • Brake pedal: Not depressed
    2. 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