How To Proceed With Troubleshooting

HINT: 

*: Use the intelligent tester.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: GO TO NEXT STEP 

2. CUSTOMER PROBLEM ANALYSIS 

   NEXT: GO TO NEXT STEP 

3. DTCS AND FREEZE FRAME DATA CHECK AND CLEARANCE* 

   NEXT: GO TO NEXT STEP 

4. PROBLEM SYMPTOM CONFIRMATION 

   Result 

   PROBLEM SYMPTOM CONFIRMATION
   
   

   Result	Proceed to
   Symptom does not occur	A
   Symptom occurs	B

   B: SYMPTOM SIMULATION 

   A: GO TO NEXT STEP 

5. CAN COMMUNICATION SYSTEM CHECK* 
   1. Check for the output DTC relating to the CAN communication system.

      HINT:

      The ECU of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there is no trouble in the CAN communication system.

      Result 

      PROBLEM SYMPTOM CONFIRMATION
      
      

      Result	Proceed to
      CAN communication system DTC not output	A
      CAN communication system DTC output	B

   B:  CAN COMMUNICATION SYSTEM 

   A: GO TO NEXT STEP 

6. DTC CHECK* 

   HINT:

   See DTC CHECK/CLEAR 

   Result 

   DTC RESULT REFERENCE
   
   

   Result	Proceed to
   DTC output	A
   DTC not output	B

   B:  PROBLEM SYMPTOMS TABLE  

   A: GO TO NEXT STEP 

7. DTC TABLE 

   HINT:

   See DIAGNOSTIC TROUBLE CODE TABLE  .

   NEXT: GO TO NEXT STEP 

8. CIRCUIT INSPECTION 

   HINT:

   When 2 or more DTCs are detected, perform circuit inspections one by one until the problem is identified.

   NEXT: GO TO NEXT STEP 

9. PROBLEM IDENTIFICATION 

   NEXT: GO TO NEXT STEP 

10. REPAIR OR REPLACEMENT 

    NEXT: GO TO NEXT STEP 

11. CONFIRMATION TEST