Sfi System - How To Proceed With Troubleshooting

1. Vehicle brought to workshop

2. Customer problem analysis

3. Connect intelligent tester to dlc3*

4. Check for 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 for 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

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HINT:

*: Use the intelligent tester.

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1. HINT:

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

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1. HINT:

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

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1. HINT:

2. If the engine does not start, first perform the "check DTC" procedures and "conduct basic inspection" procedures below.

3. Result:

   Result	Proceed to
   Malfunction does not occur	A
   Malfunction occurs	B

B.	GO TO STEP 10
A

NEXT

1. Result:

   Result	Proceed to
   Trouble code	A
   No code	B

B.	GO TO STEP 12
A

NEXT
GO TO STEP 14

1. Result:

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

B.	GO TO STEP 17
A

1. Result:

   Result	Proceed to
   Malfunctioning circuit confirmed	A
   Malfunctioning parts confirmed	B

B.	GO TO STEP 17
A

NEXT

1. Result:

   Result	Proceed to
   Malfunction not confirmed	A
   Malfunction confirmed	B

B.	GO TO STEP 18
A

NEXT
GO TO STEP 18

NEXT

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END