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Detailed Flow

  1. INTERVIEW THE CUSTOMER

    Clarify customer concerns before inspection. First of all, perform an interview utilizing DIAGNOSTIC WORK SHEET  and reproduce the symptom as well as fully understand it. Ask customer about his/her concerns carefully. Check symptoms by driving vehicle with customer if necessary.

    CAUTION:

    Customers are not professional. Never guess easily like "maybe the customer means that...," or " maybe the customer mentions this symptom".

    GO TO STEP 2  .

  2. CHECK SYMPTOM

    Reproduce the symptom that is indicated by the customer, based on the information from the customer obtained in the interview. Also check that the symptom is not caused by fail-safe mode. Refer to FAIL-SAFE .

    CAUTION:

    When the symptom is caused by normal operation, fully inspect each portion and obtain the understanding of customer that the symptom is not caused by a malfunction.

    GO TO STEP 3  .

  3. PERFORM THE SELF-DIAGNOSIS

    G-20 CONSULT

    1. Turn the ignition switch OFF → ON.
      CAUTION:

      Be sure to wait of 10 seconds after turning ignition switch OFF or ON.

    2. Select "Self Diagnostic Result" mode of "ABS".

    Is DTC detected?

    YES 

    Record or print Self Diagnostic Results and Freeze Frame Data (FFD). GO TO STEP 4  .

    NO 

    GO TO STEP 6  .

  4. RECHECK THE SYMPTOM

    G-20 CONSULT

    1. Erase "Self Diagnostic Result" mode of "ABS".
    2. Turn the ignition switch OFF → ON → OFF.
      CAUTION:

      Be sure to wait of 10 seconds after turning ignition switch OFF or ON.

    3. Perform DTC confirmation procedures for the malfunctioning system.
      NOTE:

      If some DTCs are detected at the same time, determine the order for performing the diagnosis based on DTC INSPECTION PRIORITY CHART .

    Is DTC detected?

    YES 

    GO TO STEP 5  .

    NO 

    Check harness and connectors based on the information obtained in the interview. Refer to INTERMITTENT INCIDENT .

  5. REPAIR OR REPLACE MALFUNCTIONING COMPONENT

    1. Repair or replace malfunctioning components.
    2. Reconnect component or connector after repairing or replacing it.
    3. When DTC is detected, erase "Self Diagnostic Result" mode of "ABS".
      CAUTION:
      • Turn the ignition switch OFF → ON → OFF after erasing Self Diagnostic Result.
      • Be sure to wait of 10 seconds after turning ignition switch OFF or ON.

    GO TO STEP 7  .

  6. IDENTIFY MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS

    Identify malfunctioning system based on symptom diagnosis and perform inspection.

    Can the malfunctioning system be identified?

    YES 

    GO TO STEP 7  .

    NO 

    Check harness and connectors based on the information obtained in the interview. Refer to INTERMITTENT INCIDENT .

  7. FINAL CHECK

    G-20 CONSULT

    1. Select "Data Monitor" mode of "ABS".
    2. Check the reference values. Refer to REFERENCE VALUE .
    3. Recheck the symptom and check that the symptom is not reproduced in the same conditions.

    Is the symptom reproduced?

    YES 

    GO TO STEP   3  .

    NO 

    Inspection End.

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