How To Proceed With Troubleshooting

HINT:

• The ECM of this system is connected to the CAN and multiplex communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN and multiplex communication systems.
• The intelligent tester can be used at steps  3,  4,  6, and  9.

1. Vehicle Brought to Workshop 
2. Customer Problem Analysis 
3. Connect the intelligent tester to DLC3 
4. Check and Clear DTCs and Freeze Frame Data 

   HINT:

   (See DTC CHECK / CLEAR  ).

5. Visual Inspection 
6. Setting the Check Mode Diagnosis 

   HINT:

   (See CHECK MODE PROCEDURE  ).

7. Problem Symptom Confirmation 

   HINT:

   (See HOW TO PROCEED WITH TROUBLESHOOTING  ).

   Symptom does not occur: Go to step 8 

   Symptom occurs: Go to step   9 

8. Symptom Simulation 

   HINT:

   (See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS ).

9. DTC Check 

   HINT:

   (See DTC CHECK / CLEAR  ).

   DTC is not output: Go to step 10 

   DTC is output: Go to step   17 

10. Basic Inspection 

    HINT:

    (See ON-VEHICLE INSPECTION  , INSPECTION  and ADJUSTMENT  ).

    NG: Go to step   19 

    OK: GO TO NEXT STEP 

11. Mechanical System Test 

    HINT:

    (See MECHANICAL SYSTEM TESTS  ).

    NG: Go to step   16 

    OK: GO TO NEXT STEP 

12. Hydraulic Test 

    HINT:

    (See HYDRAULIC TEST  ).

    NG: Go to step   16 

    OK: GO TO NEXT STEP 

13. Manual Shifting Test 

    HINT:

    (See INITIALIZATION  ).

    NG: Go to step   15 

    OK: GO TO NEXT STEP 

14. Problem Symptoms Table Chapter 1 

    HINT:

    (See PROBLEM SYMPTOMS TABLE  ).

    NG: Go to step   18 

    OK: GO TO NEXT STEP 

15. Problem Symptoms Table Chapter 2 

    HINT:

    (See PROBLEM SYMPTOMS TABLE  ).

16. Part Inspection 

    Go to step   19 

17. DTC Chart 

    HINT:

    (See DIAGNOSTIC TROUBLE CODE CHART  ).

18. Circuit Inspection 
19. Repair or Replace 
20. Confirmation Test 

    END