How To Proceed With Troubleshooting

HINT: 

Techstream can be used in steps 2, 3, 4, 6 and 9.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. CONNECT TECHSTREAM TO DLC3 

   HINT: 

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

   NEXT: Go to next step 

3. CHECK DTC AND FREEZE FRAME DATA 
   1. Check for DTC(s) and freeze frame data, refer to FREEZE FRAME DATA .

      HINT: 

      Record or print the DTCs and freeze frame data, if necessary.

      NEXT: Go to next step 

4. CLEAR DTC AND FREEZE FRAME DATA 
   1. Clear the DTC(s) and freeze frame data, refer to FREEZE FRAME DATA .

      NEXT: Go to next step 

5. CONDUCT VISUAL INSPECTION 

   NEXT: Go to next step 

6. SET CHECK MODE DIAGNOSIS 
   1. Set the check mode, refer to CHECK MODE PROCEDURE .

      NEXT: Go to next step 

7. CONFIRM PROBLEM SYMPTOMS 

   HINT: 

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

   Result

   Result	Proceed to
   Malfunction does not occur	A
   Malfunction occurs	B

   B → GO TO STEP 9 

   A: Go to next step 

8. SIMULATE SYMPTOMS 

   NEXT: Go to next step 

9. CHECK FOR DTCS 
   1. Check for DTCs, refer to DTC CHECK / CLEAR .

      Result

      Result	Proceed to
      Trouble code	A
      No code	B

      B → GO TO STEP 11 

      A: Go to next step 

10. REFER TO DTC CHART 

    HINT: 

    Refer to the DTC chart, refer to DIAGNOSTIC TROUBLE CODE CHART .

    NEXT → GO TO STEP 13 

11. CONDUCT BASIC INSPECTION 

    HINT: 

    Refer to "BASIC INSPECTION", refer to BASIC INSPECTION .

    Result

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

    B → GO TO STEP 16 

    A: Go to next step 

12. REFER TO PROBLEM SYMPTOMS TABLE 

    HINT: 

    Refer to "PROBLEM SYMPTOMS TABLE", refer to PROBLEM SYMPTOMS TABLE .

    Result

    Result	Proceed to
    Malfunctioning circuit confirmed	A
    Malfunctioning parts confirmed	B

    B → GO TO STEP 16 

    A: Go to next step 

13. CHECK ECM POWER SOURCE CIRCUIT 

    HINT: 

    Refer to "ECM POWER SOURCE CIRCUIT", refer to ECM Power Source Circuit .

    NEXT: Go to next step 

14. CONDUCT CIRCUIT INSPECTION 

    Result

    Result	Proceed to
    Malfunction not confirmed	A
    Malfunction confirmed	B

    B → GO TO STEP 17 

    A: Go to next step 

15. CHECK FOR INTERMITTENT PROBLEMS 

    HINT: 

    Refer to "CHECK FOR INTERMITTENT PROBLEMS", refer to CHECK FOR INTERMITTENT PROBLEMS .

    NEXT → GO TO STEP 17 

16. CONDUCT PARTS INSPECTION 

    NEXT: Go to next step 

17. IDENTIFY PROBLEM 

    NEXT: Go to next step 

18. ADJUST AND/OR REPAIR 

    NEXT: Go to next step 

19. CONDUCT CONFIRMATION TEST 

    NEXT → END