ECD SYSTEM(w/o DPF) HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
2. Click here

   CUSTOMER PROBLEM ANALYSIS

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
3. Click here

   CONNECT INTELLIGENT TESTER TO DLC3

   Tip:

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

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
4. Click here

   CHECK DTC AND FREEZE FRAME DATA*

   Tip:

   Record or print DTCs and freeze frame data if necessary.

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
5. Click here

   CLEAR DTC AND FREEZE FRAME DATA*

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
6. Click here

   VISUAL INSPECTION

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
7. Click here

   SET CHECK MODE DIAGNOSIS*

   
   

   1. Refer to the check mode procedure.

      Click here

      Result
      Proceed to NEXT

   
   
   • NEXTClick here
8. Click here

   CONFIRM PROBLEM SYMPTOMS

   Tip:

   If the engine does not start, first perform the "Check DTC" procedures and "Basic Inspection" procedures below.

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

   
   
   • AClick here
   • B

     SIMULATE SYMPTOMS

9. Click here

   CHECK DTC*

   Result
   Result Proceed to Trouble code A No trouble code B

   
   
   • AClick here
   • BClick here
10. Click here

    REFER TO DTC CHART

    Result
    Proceed to NEXT

    
    
    • NEXTClick here

      GO TO STEP 13

11. Click here

    BASIC INSPECTION

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

    
    
    • AClick here
    • BClick here

      GO TO STEP 16

12. Click here

    REFER TO PROBLEM SYMPTOMS TABLE

    Tip:

    Refer to the Problem Symptoms Table.

    Click here

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

    
    
    • AClick here
    • BClick here
13. Click here

    CHECK ECM POWER SOURCE CIRCUIT

    Result
    Proceed to NEXT

    
    
    • NEXTClick here
14. Click here

    CONDUCT CIRCUIT INSPECTION

    Result
    Result Proceed to Malfunction not confirmed A Malfunction confirmed B

    
    
    • AClick here
    • BClick here

      GO TO STEP 17

15. Click here

    CHECK FOR INTERMITTENT PROBLEMS

    Result
    Proceed to NEXT

    
    
    • NEXTClick here

      GO TO STEP 18

16. Click here

    PARTS INSPECTION

    Result
    Proceed to NEXT

    
    
    • NEXTClick here
17. Click here

    IDENTIFY PROBLEM

    Result
    Proceed to NEXT

    
    
    • NEXTClick here
18. Click here

    ADJUST AND/OR REPAIR

    Result
    Proceed to NEXT

    
    
    • NEXTClick here
19. Click here

    CONFIRMATION TEST

    Result
    Proceed to NEXT

    
    
    • NEXT

      END