How To Proceed With Troubleshooting

The intelligent tester can be used in steps  3,  6,  9 and  12.

1. VEHICLE BROUGHT TO WORKSHOP 

   GO TO NEXT STEP 

2. CUSTOMER PROBLEM ANALYSIS 

   GO TO NEXT STEP 

3. CHECK AND CLEAR DTCS AND FREEZE FRAME DATA 

   GO TO NEXT STEP 

4. PROBLEM SYMPTOM CONFIRMATION 

   GO TO NEXT STEP 

5. CHECK CAN COMMUNICATION SYSTEM 
   1. Check for output DTCs.

      HINT:

      The ECM 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.

      CAN COMMUNICATION SYSTEM
      
      

      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. CHECK AND CLEAR DTCS 

   GO TO NEXT STEP 

7. PROBLEM SYMPTOM SIMULATION 
   RESULT REFERENCE
   
   

   Result	Proceed to
   Symptom does not occur	A
   Symptom occurs	B

   B: GO TO STEP   9 

   A: Go to next step 

8. SYMPTOM SIMULATION 

   GO TO NEXT STEP 

9. CHECK DTCS (OTHER THAN CAN SYSTEM DTCS) 
   DTCS (OTHER THAN CAN SYSTEM DTCS)
   
   

   Result	Proceed to
   DTC not output	A
   DTC output	B

   B: GO TO STEP   11 

   A: Go to next step 

10. PROBLEM SYMPTOMS TABLE 

    NEXT: GO TO STEP   12 

11. DTC TABLE 

    GO TO NEXT STEP 

12. CIRCUIT INSPECTION 

    GO TO NEXT STEP 

13. PROBLEM IDENTIFICATION 

    GO TO NEXT STEP 

14. REPAIR OR REPLACE 

    GO TO NEXT STEP 

15. CONFIRMATION TEST 

    END