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Home >> Infiniti >> 2020 >> QX50 Essential, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Drive Mode System >> Basic Inspection >> Work Flow >> Detailed Flow
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Detailed Flow

  1. GET INFORMATION FOR SYMPTOM 

    Get the detailed information about symptom from customer.

    GO TO 2.

  2. CHECK DTC 
    1. Check DTC of "All DTC Reading" using CONSULT.
    2. Perform the following procedure if DTC is displayed.
      • Record DTC and freeze frame data. (Or, write it down.)
    3. Check related service bulletins for information.

    Is any DTCs detected?

    YES

    Perform the trouble diagnosis for DTC indicated.

    NO

    GO TO 3.

  3. CONFIRM THE SYMPTOM 

    Try to confirm the symptom described by the customer.

    Also study the normal operation related to the symptom. Refer to Handling Precaution 

    GO TO 4.

  4. CHECK DRIVE MODE SWITCH CIRCUIT 

    Check drive mode switch circuit. Refer to Diagnosis Procedure .

    Is inspection result normal?

    YES

    GO TO 5.

    NO

    Repair or replace error-detected parts.

  5. CHECK DRIVE MODE SWITCH AND METER INDICATION 
    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Check that STANDARD is displayed on the information display screen of the combination meter.
    4. Check that the view of information display changes as STANDARD => SPORT => PERSONAL when switching the drive mode switch to up side.
    5. Check that the view of information display changes as PERSONAL => SPORT => STANDARD => ECO when switching the drive mode switch to down side.

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    Check intermittent incident. Intermittent Incident .