Work Flow

DETAILED FLOW 

1. INTERVIEW FROM THE CUSTOMER 

   Clarify customer complaints 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 complaints 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 2.

2. CHECK SYMPTOM 

   Reproduce the symptom that is indicated by the customer, based on the information from the customer obtained by 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.

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   GO TO 3.

3. PERFORM THE SELF-DIAGNOSIS 

   Perform self-diagnosis for "E-SUS".

   Is any DTC detected?

   YES>>

   Record or print DTC and freeze frame data (FFD). GO TO 4.

   NO>>

   GO TO 6.

4. RECHECK THE SYMPTOM 
   1. Erase self-diagnostic results for "E-SUS".
   2. Perform DTC confirmation procedures for the error-detected system.
      NOTE: If some DTCs are detected at the some time, determine the order for performing the diagnosis based on DTC Inspection Priority Chart .

   Is any DTC detected?

   YES>>

   GO TO 5.

   NO>>

   Check harness and connectors based on the information obtained by interview. Refer to Inspection .

5. REPAIR OR REPLACE ERROR-DETECTED PART 
   • Repair or replace error-detected parts.
   • Reconnect part or connector after repairing or replacing.
   • When DTC is detected, erase self-diagnostic result for "E-SUS".

   >>

   GO TO 7.

6. IDENTIFY ERROR-DETECTED SYSTEM BY SYMPTOM DIAGNOSIS 

   Estimate error-detected system based on symptom diagnosis and perform inspection.

   Can the error-detected system be identified?

   YES>>

   GO TO 7.

   NO>>

   Check harness and connectors based on the information obtained by interview. Refer to Inspection .

7. FINAL CHECK 
   1. Check the reference value for "E-SUS".
   2. Recheck the symptom and check that the symptom is not reproduced on the same conditions.

   Is the symptom reproduced?

   YES>>

   GO TO 3.

   NO>>

   INSPECTION END