Sfi System How To Proceed With Troubleshooting

When using intelligent tester, troubleshoot in accordance with the procedures shown below.

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

1. VEHICLE BROUGHT TO WORKSHOP

2. CUSTOMER PROBLEM ANALYSIS

3. CHECK AND CLEAR DTC

4. CONFIRM PROBLEM SYMPTOMS

5. CHECK DTC

6. REFER TO DTC CHART

7. CONDUCT BASIC INSPECTION

8. REFER TO PROBLEM SYMPTOMS TABLE

9. CHECK ECM POWER SOURCE CIRCUIT

10. CONDUCT CIRCUIT INSPECTION

11. CHECK FOR INTERMITTENT PROBLEMS

12. CONDUCT PARTS INSPECTION

13. IDENTIFY PROBLEM

14. ADJUST AND/OR REPAIR

15. CONDUCT CONFIRMATION TEST

Sfi System -- How To Proceed With Troubleshooting

When using intelligent tester, troubleshoot in accordance with the procedures shown below.

HINT:

*: Use the intelligent tester.

1.VEHICLE BROUGHT TO WORKSHOP

NEXT

2.CUSTOMER PROBLEM ANALYSIS

NEXT

3.CONNECT INTELLIGENT TESTER TO DLC3*

HINT:

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

NEXT

4.CHECK DTC AND FREEZE FRAME DATA*

HINT:

Record or print DTCs and freeze frame data if needed.

NEXT

5.CLEAR DTC AND FREEZE FRAME DATA*

NEXT

6.CONDUCT VISUAL INSPECTION

NEXT

7.SET CHECK MODE DIAGNOSIS*

NEXT

8.CONFIRM PROBLEM SYMPTOMS

HINT:

If the engine does not start, first perform the "CHECK DTC" procedures and "CONDUCT BASIC INSPECTION" procedures below.

Result:

Result	Proceed to
Malfunction does not occur	A
Malfunction occurs	B

B.	Go to step 10
A

9.SIMULATE SYMPTOMS

NEXT

10.CHECK DTC*

Result:

Result	Proceed to
DTC is output	A
DTC is not output	B

B.	Go to step 12
A

11.REFER TO DTC CHART

NEXT
Go to step 14

12.CONDUCT BASIC INSPECTION

Result:

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

B.	Go to step 17
A

13.REFER TO PROBLEM SYMPTOMS TABLE

Result:

Result	Proceed to
Malfunctioning circuit confirmed	A
Malfunctioning parts confirmed	B

B.	Go to step 17
A

14.CHECK ECM POWER SOURCE CIRCUIT

1. Check the ECM power source circuit (Toyota Fortuner RM000000ZQP00BX.html).
   

NEXT

15.CONDUCT CIRCUIT INSPECTION

Result:

Result	Proceed to
Malfunction not confirmed	A
Malfunction confirmed	B

B.	Go to step 18
A

16.CHECK FOR INTERMITTENT PROBLEMS

NEXT
Go to step 18

17.CONDUCT PARTS INSPECTION

NEXT

18.IDENTIFY PROBLEM

NEXT

19.ADJUST AND/OR REPAIR

NEXT

20.CONDUCT CONFIRMATION TEST

NEXT
END

1. When not using intelligent tester, troubleshoot in accordance with the procedures shown below.
   

1.VEHICLE BROUGHT TO WORKSHOP

NEXT

2.CUSTOMER PROBLEM ANALYSIS

NEXT

3.CHECK AND CLEAR DTC

NEXT

4.CONFIRM PROBLEM SYMPTOMS

Result:

Result	Proceed to
Malfunction occurs	A
Malfunction does not occur	B

B.	SIMULATE SYMPTOM
A

5.CHECK DTC

Result:

Result	Proceed to
DTC is output	A
DTC is not output	B

B.	Go to step 7
A

6.REFER TO DTC CHART

NEXT
Go to step 9

7.CONDUCT BASIC INSPECTION

Result:

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

B.	Go to step 12
A

8.REFER TO PROBLEM SYMPTOMS TABLE

Result:

Result	Proceed to
Malfunctioning circuit confirmed	A
Malfunctioning parts confirmed	B

B.	Go to step 12
A

9.CHECK ECM POWER SOURCE CIRCUIT

1. Check the ECM power source circuit (Toyota Fortuner RM000000ZQP00BX.html).
   

NEXT

10.CONDUCT CIRCUIT INSPECTION

Result:

Result	Proceed to
Malfunction not confirmed	A
Malfunction confirmed	B

B.	Go to step 13
A

11.CHECK FOR INTERMITTENT PROBLEMS

NEXT
Go to step 13

12.CONDUCT PARTS INSPECTION

NEXT

13.IDENTIFY PROBLEM

NEXT

14.ADJUST AND/OR REPAIR

NEXT

15.CONDUCT CONFIRMATION TEST

NEXT
END