СИСТЕМА ECD ПРОЦЕДУРА ПОИСКА НЕИСПРАВНОСТЕЙ

When Using intelligent tester:

1. VEHICLE BROUGHT TO WORKSHOP

   
   

   NEXT

2. CUSTOMER PROBLEM ANALYSIS

   
   

   NEXT

3. CONNECT INTELLIGENT TESTER TO DLC3

   Tech Tips

   If the display indicates a communication error with the tester, inspect the DLC3.

   
   

   NEXT

4. CHECK DTC AND FREEZE FRAME DATA

   Tech Tips

   Record or print DTCs and freeze from data if necessary.

   
   

   NEXT

5. CLEAR DTC AND FREEZE FRAME DATA

   
   

   NEXT

6. CONDUCT VISUAL INSPECTION

   
   

   NEXT

7. SET CHECK MODE DIAGNOSIS

   
   

   NEXT

8. CONFIRM PROBLEM SYMPTOMS

   Tech Tips

   If the engine does not start, perform steps 10 and 12 first.

   Result
   Result Proceed to Malfunction occur A Malfunction does not occur B

   
   

   B

   SIMULATE SYMPTOMS

   A

9. CHECK DTC

   Result
   Result Proceed to Malfunction code A No malfunction code B

   
   

   B

   Go to step 11

   A

10. REFER TO DTC CHART

    
    

    NEXT

    Go to step 13

11. CONDUCT BASIC INSPECTION

    Result
    Result Proceed to Malfunction parts not confirmed A Malfunction parts confirmed B

    
    

    B

    Go to step 16

    A

12. REFER TO PROBLEM SYMPTOMS TABLE

    Tech Tips

    
    

    • Engine difficult to start or stalling Click here.

    • Black smoke emitted Click here.

    • Rough idling or excessive engine vibration Click here.

    • Engine knocking or rattling Click here.

    • Lack of power or hesitation Click here.

    Result
    Result Proceed to Malfunction circuit confirmed A Malfunction parts confirmed B

    
    

    B

    Go to step 16

    A

13. CHECK ECM POWER SOURCE CIRCUIT

    
    

    NEXT

14. CONDUCT CIRCUIT INSPECTION

    Result
    Result Proceed to Malfunction not confirmed A Malfunction confirmed B

    
    

    B

    Go to step 17

    A

15. ПРОВЕРЬТЕ, НЕТ ЛИ ЭПИЗОДИЧЕСКИХ НЕИСПРАВНОСТЕЙ

    
    

    NEXT

    Go to step 17

16. CONDUCT PARTS INSPECTION

    
    

    NEXT

17. IDENTIFY PROBLEM

    
    

    NEXT

18. ADJUST AND/OR REPAIR OR REPLACE

    
    

    NEXT

19. CONDUCT CONFIRMATION TEST

    
    

    NEXT

    END

When not using intelligent tester:

1. VEHICLE BROUGHT TO WORKSHOP

   
   

   NEXT

2. CUSTOMER PROBLEM ANALYSIS

   
   

   NEXT

3. CHECK AND CLEAR DTC

   
   

   NEXT

4. CONFIRM PROBLEM SYMPTOMS

   Result
   Result Proceed to Malfunction occur A Malfunction does not occurs B

   
   

   B

   SIMULATE SYMPTOM

   NEXT

5. CHECK DTC

   Result
   Result Proceed to Malfunction code A No malfunction code B

   
   

   B

   Go to step 7

   A

6. REFER TO DTC CHART

   
   

   NEXT

   Go to step 9

7. CONDUCT BASIC INSPECTION

   Result
   Result Proceed to Malfunction parts not confirmed A Malfunction parts confirmed B

   
   

   B

   Go to step 12

   A

8. REFER TO PROBLEM SYMPTOMS TABLE

   Tech Tips

   
   

   • Engine difficult to start or stalling Click here.

   • Black smoke emitted Click here.

   • Rough idling or excessive engine vibration Click here.

   • Engine knocking or rattling Click here.

   • Lack of power or hesitation Click here.

   Result
   Result Proceed to Malfunction circuit confirmed A Malfunction parts confirmed B

   
   

   B

   Go to step 12

   A

9. CHECK ECM POWER SOURCE CIRCUIT

   
   

   NEXT

10. CONDUCT CIRCUIT INSPECTION

    Result
    Result Proceed to Malfunction not confirmed A Malfunction confirmed B

    
    

    B

    Go to step 13

    A

11. ПРОВЕРЬТЕ, НЕТ ЛИ ЭПИЗОДИЧЕСКИХ НЕИСПРАВНОСТЕЙ

    
    

    NEXT

    Go to step 13

12. CONDUCT PARTS INSPECTION

    
    

    NEXT

13. IDENTIFY PROBLEM

    
    

    NEXT

14. ADJUST AND/OR REPAIR OR REPLACE

    
    

    NEXT

15. CONDUCT CONFIRMATION TEST

    
    

    NEXT

    END