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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 116 (Exterior Lighting System - Led Headlamp) >> Basic Inspection >> Diagnosis And Repair Work Flow >> Work Flow >> Detailed Flow

Detailed Flow

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. INTERVIEW FOR MALFUNCTION 

    Find out what the customer's concerns are.

    GO TO 2 .

  2. SYMPTOM CHECK 

    Verify the symptom from the customer's information.

    GO TO 3 .

  3. BASIC INSPECTION 

    Check the operation of each part. Check any concerns that occur other than those mentioned in the customer interview.

    GO TO 4 .

  4. SELF DIAGNOSTIC RESULT WITH CONSULT 

    Perform the "Self Diagnostic Result". Check that any DTC is detected.

    Is any DTC detected?

    YES

    GO TO 5 .

    NO

    GO TO 6 .

  5. TROUBLE DIAGNOSIS BY DTC 

    Perform the trouble diagnosis for the detected DTC. Specify the malfunctioning part.

    GO TO 9 .

  6. FAIL-SAFE ACTIVATION CHECK 

    Determine if the customer's concern is related to fail-safe activation.

    Does the fail-safe activate?

    YES

    GO TO 7 .

    NO

    GO TO 8 .

  7. SYSTEM DIAGNOSIS 

    Perform the system diagnosis for the system in which the fail-safe activates. Specify the malfunctioning part.

    GO TO 9 .

  8. SYMPTOM DIAGNOSIS 

    Perform the symptom diagnosis. Specify the malfunctioning part.

    GO TO 9 .

  9. MALFUNCTIONING PART REPAIR 

    Repair or replace the malfunctioning part.

    GO TO 10 .

  10. REPAIR CHECK (SELF DIAGNOSTIC RESULT WITH CONSULT) 

    Perform the "Self Diagnostic Result". Verify that no DTCs are detected. Erase all DTCs detected prior to the repair. Verify that DTC is not detected again.

    Is any DTC detected?

    YES

    GO TO 5 .

    NO

    GO TO 11 .

  11. REPAIR CHECK (OPERATION CHECK) 

    Check the operation of each part.

    Does it operate normally?

    YES

    Inspection End.

    NO

    GO TO 3 .