How To Proceed With Troubleshooting

HINT: 

*: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. CUSTOMER PROBLEM ANALYSIS 

   NEXT: Go to next step 

3. CONNECT TECHSTREAM TO DLC3* 

   HINT: 

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

   NEXT: Go to next step 

4. CHECK DTC AND FREEZE FRAME DATA* 

   HINT: 

   If necessary, record or print DTCs and freeze frame data.

   1. Check DTC. Refer to DTC CHECK / CLEAR .
   2. Check Freeze Frame Data. Refer to FREEZE FRAME DATA .

      NEXT: Go to next step 

5. CLEAR DTC AND FREEZE FRAME DATA* 
   1. Clear DTC. Refer to DTC CHECK / CLEAR .
   2. Clear Freeze Frame Data. Refer to FREEZE FRAME DATA .

      NEXT: Go to next step 

6. CONDUCT VISUAL INSPECTION 

   NEXT: Go to next step 

7. SET CHECK MODE DIAGNOSIS* 
   1. Refer to Check Mode Procedure. Refer to CHECK MODE PROCEDURE .

      NEXT: Go to next step 

8. CONFIRM PROBLEM SYMPTOMS 

   HINT: 

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

   Result	Proceed to
   Malfunction does not occur	A
   Malfunction occurs	B

   B → GO TO STEP 10 

   A: Go to next step 

9. SIMULATE SYMPTOMS 

   NEXT: Go to next step 

10. CHECK FOR DTC* 
    1. Refer to DTC Check / Clear. Refer to DTC CHECK / CLEAR .

       Result	Proceed to
       Trouble code output	A
       No code output	B

       B → GO TO STEP 12 

       A: Go to next step 

11. REFER TO DTC CHART 
    1. Refer to Diagnostic Trouble Code Chart. Refer to DIAGNOSTIC TROUBLE CODE CHART .

       NEXT → GO TO STEP 14 

12. CONDUCT BASIC INSPECTION 
    1. Refer to Basic Inspection. Refer to BASIC INSPECTION .

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

       B → GO TO STEP 17 

       A: Go to next step 

13. REFER TO PROBLEM SYMPTOMS TABLE 
    1. Refer to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE .

       Result	Proceed to
       Malfunctioning circuit confirmed	A
       Malfunctioning parts confirmed	B

       B → GO TO STEP 17 

       A: Go to next step 

14. CHECK ECM POWER SOURCE CIRCUIT 
    1. Refer to ECM Power Source Circuit. Refer to ECM Power Source Circuit .

       NEXT: Go to next step 

15. CONDUCT CIRCUIT INSPECTION 

    Result	Proceed to
    Malfunction not confirmed	A
    Malfunction confirmed	B

    B → GO TO STEP 18 

    A: Go to next step 

16. CHECK FOR INTERMITTENT PROBLEMS 
    1. Refer to Check for Intermittent Problems. Refer to CHECK FOR INTERMITTENT PROBLEMS .

       NEXT → GO TO STEP 18 

17. CONDUCT PARTS INSPECTION 

    NEXT: Go to next step 

18. IDENTIFY PROBLEM 

    NEXT: Go to next step 

19. ADJUST AND/OR REPAIR 

    NEXT: Go to next step 

20. CONDUCT CONFIRMATION TEST 

    NEXT → END