How To Proceed With Troubleshooting

The intelligent tester can be used at step  3,  4,  6,  10,  13, and  16.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 
3. CHECK DTC AND FREEZE FRAME DATA 
4. CLEAR DTC AND FREEZE FRAME DATA 
5. PROBLEM SYMPTOM CONFIRMATION 
6. CHECK CAN COMMUNICATION SYSTEM 
   1. Check for output DTCs.

      HINT:

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

   Result 

   RESULT TABLE
   
   

   Condition	Proceed to
   CAN communication system DTC is not output	A
   CAN communication system DTC is output	B

   B: INSPECT CAN COMMUNICATION SYSTEM 

   A: Go to Next Step 

7. DTC CHECK AND CLEAR 
8. PROBLEM SYMPTOM SIMULATION 

   Result 

   RESULT TABLE
   
   

   Condition	Proceed to
   Symptom does not occur	A
   Symptom occurs	B

   B: GO TO STEP   10 

   A: Go to Next Step 

9. SYMPTOM SIMULATION 
10. DTC CHECK (OTHER THAN CAN SYSTEM DTC) 

    Result 

    RESULT TABLE
    
    

    Condition	Proceed to
    DTC is not output	A
    DTC is output	B

    B: GO TO STEP   12 

    A: Go to Next Step 

11. PROBLEM SYMPTOMS TABLE 

    NEXT: GO TO STEP   13 

12. DTC TABLE 
13. CIRCUIT INSPECTION 
14. IDENTIFICATION OF PROBLEM 
15. REPAIR OR REPLACE 
16. CONFIRMATION TEST 

    NEXT: END