LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2020 >> Sentra SV >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance System >> Basic Inspection >> Diagnosis And Repair Work Flow >> Work Flow >> Detailed Flow
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Detailed Flow

  1. INTERVIEW FOR MALFUNCTION 

    It is important to clarify the customer's concerns before starting the inspection. Interview the customer about the concerns carefully and understand the symptoms fully.

    NOTE: The customers are not professionals. Never assume that "maybe the customer means..." or "maybe the customer mentioned this symptom".

    GO TO 2.

  2. SELF-DIAGNOSIS WITH CONSULT 

    SYMBOL CONSULT

    1. Perform "All DTC Reading" mode.
    2. Check if the DTC is detected in the "Self Diagnostic Result" of the following:
      • "ICC/ADAS 2"
      • "LASER/RADAR"
      • "LANE CAMERA"
      • "Side radar (Rear left)"
      • "Side radar (Rear right)"

    Is any DTC detected?

    YES

    GO TO  5.

    NO

    GO TO 3.

  3. ACTION TEST 
    1. Perform the system action test to check the operation status of the following:
    2. Check if any other malfunctions occur.

    GO TO 4.

  4. SYMPTOM DIAGNOSIS 

    Perform the applicable diagnosis according to the diagnosis chart by symptom. Refer to Symptom Table .

    GO TO  6.

  5. TROUBLE DIAGNOSIS BY DTC 

    SYMBOL CONSULT

    1. Check the DTC in the "Self Diagnostic Result".
    2. Perform trouble diagnosis for the following detected DTC:
    NOTE: If "DTC U1000" is detected, first diagnose the CAN communication system or ITS communication system.

    GO TO 6.

  6. MALFUNCTIONING PART REPAIR 

    Repair or replace the identified malfunctioning parts.

    GO TO 7.

  7. REPAIR CHECK (SELF-DIAGNOSIS WITH CONSULT) 
    1. Erase "Self Diagnostic Result".
    2. Perform "All DTC Reading" mode after repairing or replacing the specific items.
    3. Check if any DTC is detected in self-diagnosis results of the following:
      • "ICC/ADAS 2"
      • "LASER/RADAR"
      • "LANE CAMERA"
      • "Side radar (Rear left)"
      • "Side radar (Rear right)"

    Is any DTC detected?

    YES

    GO TO  5.

    NO

    GO TO 8.

  8. REPAIR CHECK (ACTION TEST) 

    Perform the following system action test. Check that the malfunction symptom is solved or no other symptoms occur.

    Is there a malfunction symptom?

    YES

    GO TO  4.

    NO

    Inspection End.

scientia non olet · About LEMON Manuals