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Home >> Infiniti >> 2021 >> QX50 Essential, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Telematics System >> Basic Inspection >> Diagnosis And Repair Work Flow >> Work Flow >> Detailed Flow

Detailed Flow

  1. INTERVIEW AND SYMPTOM CONFIRMATION 

    Check the malfunction symptoms by performing the following items:

    • Interview the customer to obtain the malfunction information (conditions and environment when the malfunction occurred).
    • Check the symptom.

    Is the occurred symptom a malfunction?

    YES

    GO TO 2.

    NO

    Inspection End.

  2. DIAGNOSIS WITH CONSULT 

    SYMBOL CONSULT

    1. Select "Self Diagnostic Result" mode of "TCU". Refer to CONSULT Function .
    2. When DTC is detected, follow the instructions below:
      • Record DTC and Freeze Frame Data.

    Is DTC displayed?

    YES

    GO TO 3.

    NO

    GO TO 4.

  3. TROUBLE DIAGNOSIS FOR DTC 

    SYMBOL CONSULT

    1. Check the DTC indicated in "Self Diagnostic Result" mode.
    2. Perform the relevant diagnosis referring to the DTC Index. Refer to DTC Index .

    GO TO 5.

  4. TROUBLE DIAGNOSIS FOR SYMPTOMS 

    Perform the relevant diagnosis referring to the diagnosis chart by symptom. Refer to Symptom Table .

    GO TO 5.

  5. ERROR PART REPAIR 

    SYMBOL CONSULT

    1. Repair or replace the identified malfunctioning parts.
    2. Select "Self Diagnostic Result" mode of "TCU".
    3. Check that the symptom does not occur.

    Does the symptom occur?

    YES

    GO TO 1.

    NO

    Inspection End.

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