How To Proceed With Troubleshooting

The hand-held tester can be used at step  3,  5,  6,  9,  12, and  15.

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

   HINT:

   The ECM 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.

   CAN SYSTEM DTC IS OUTPUT: PROCEED TO CAN COMMUNICATION SYSTEM 

   NO CAN SYSTEM DTC IS OUTPUT: GO TO STEP   6 

6. DTC CHECK/CLEAR  
7. PROBLEM SYMPTOM SIMULATION 

   SYMPTOM DOES NOT OCCUR: GO TO STEP   8 

   SYMPTOM OCCURS: GO TO STEP   9 

8. SYMPTOM SIMULATION (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
9. DTC CHECK (OTHER THAN CAN SYSTEM DTC) (SEE  DTC CHECK/CLEAR   ) 

   NORMAL SYSTEM CODE: GO TO STEP   10 

   TROUBLE CODE: GO TO STEP   11 

10. SEE  PROBLEM SYMPTOMS TABLE  

    GO TO STEP   12 

11. SEE  DIAGNOSTIC TROUBLE CODE TABLE  
12. CIRCUIT DESCRIPTION   TO  TS AND CG TERMINAL CIRCUIT  
13. IDENTIFICATION OF PROBLEM 
14. REPAIR OR REPLACE 
15. CONFIRMATION TEST