Sfi System - How To Proceed With Troubleshooting

1. Vehicle brought to workshop

2. Customer problem analysis

3. Connect intelligent tester to dlc3*

4. Check dtc and freeze frame data*

5. Clear dtc and freeze frame data*

6. Conduct visual inspection

7. Set check mode diagnosis*

8. Confirm problem symptoms

9. Simulate symptoms

10. Check dtc*

11. Refer to dtc chart

12. Conduct basic inspection

13. Refer to problem symptoms table

14. Check ecm power source circuit

15. Conduct circuit inspection

16. Check for intermittent problems

17. Conduct parts inspection

18. Identify problem

19. Adjust and/or repair

20. Conduct confirmation test

​

HINT:

*: Use an intelligent tester.

NEXT

NEXT

1. HINT:

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

NEXT

1. HINT:

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

NEXT

NEXT

NEXT

NEXT

1. HINT:

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

3. Result	Proceed To
   Malfunction does not occur	A
   Malfunction occurs	B

B.	GO TO STEP 10
A

NEXT

1. Result	Proceed To
   Malfunction code	A
   No code	B

B.	GO TO STEP 12
A

NEXT
GO TO STEP 14

1. Result	Proceed To
   Malfunctioning parts not confirmed	A
   Malfunctioning parts confirmed	B

B.	GO TO STEP 17
A

1. Result	Proceed To
   Malfunctioning circuit confirmed	A
   Malfunctioning parts confirmed	B

B.	GO TO STEP 17
A

NEXT

1. Result	Proceed To
   Malfunction not confirmed	A
   Malfunction confirmed	B

B.	GO TO STEP 18
A

NEXT
GO TO STEP 18

NEXT

NEXT

NEXT

NEXT
END