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. When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.

   NEXT: Go to next step 

4. CHECK DTC AND FREEZE FRAME DATA* 

   HINT: 

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

   NEXT: Go to next step 

5. CLEAR DTC AND FREEZE FRAME DATA* 

   NEXT: Go to next step 

6. CONDUCT VISUAL INSPECTION 

   NEXT: Go to next step 

7. SET CHECK MODE DIAGNOSIS* 

   HINT: 

   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, perform steps 10 and 12 first.

   Result

   Result	Proceed to
   Malfunction does not occur	A
   Malfunction occurs	B

   B → GO TO STEP   10 

   A: Go to next step 

9. SIMULATE SYMPTOMS 

   HINT: 

   Refer to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE 

   NEXT: Go to next step 

10. CHECK FOR DTCS* 

    HINT: 

    Refer to DTC Check / Clear. Refer to DTC CHECK / CLEAR 

    Result

    Result	Proceed to
    Trouble code	A
    No code	B

    B → GO TO STEP   12 

    A: Go to next step 

11. REFER TO DTC CHART 

    HINT: 

    Refer to Diagnostic Trouble Code Chart. Refer to DIAGNOSTIC TROUBLE CODE CHART 

    NEXT: Go to next step 

12. CONDUCT BASIC INSPECTION 

    Result

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

    B → GO TO STEP  18 

    A: Go to next step 

13. 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   17 

    A: Go to next step 

14. CHECK ECM POWER SOURCE CIRCUIT 

    HINT: 

    Refer to ECM Power Source Circuit. Refer to ECM Power Source Circuit

    NEXT: Go to next step 

15. CONDUCT CIRCUIT INSPECTION 

    Result

    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 

    NEXT: Go to next step 

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