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Toyota Corolla Repair Manual: How to proceed with troubleshooting

Toyota Corolla Repair Manual / Diagnostics / Sfi system / How to proceed with troubleshooting

The hand–held tester can be used at step 3, 4, 5, 7, 10.

1 Vehicle brought to workshop

2 Customer problem analysis

2 Customer problem analysis

3 Connect hand–held tester to dlc3

3 Connect hand–held tester to dlc3

Hint

: if the display indicates a communication fault in the tool, inspect dlc3.

4 Check dtc and freeze frame data

4 Check dtc and freeze frame data

Hint

: record or print dtc and freeze frame data, if needed.

5 Clear dtc and freeze frame data

5 Clear dtc and freeze frame data

6 Visual inspection

6 Visual inspection

7 Setting check (test) mode diagnosis

7 Setting check (test) mode diagnosis

8 Problem symptom confirmation

8 Problem symptom confirmation

Hint

: if the engine does not start, perform steps 10 and 12 first.

A Malfunction does not occur
B Malfunction occurs

B go to step 10

9 Symptom simulation

9 Symptom simulation

10 Dtc check

10 Dtc check

A Malfunction code
B No code

B go to step 12

11 Dtc chart

11 Dtc chart

Go to step 14

Go to step 14

12 Basic inspection

A Wrong parts not confirmed
B Wrong parts confirmed

B go to step 17

13 Problem symptoms table

13 Problem symptoms table

A Wrong circuit confirmed
B Wrong parts confirmed

B go to step 17

14 Check ecm power source circuit

14 Check ecm power source circuit

15 Circuit inspection

15 Circuit inspection

A Malfunction not confirmed
B Malfunction confirmed

B go to step 18

16 Check for intermittent problems

16 Check for intermittent problems

Go to step 18

Go to step 18

17 Parts inspection

18 Identification of problem

18 Identification of problem

19 Adjustment, repair

19 Adjustment, repair

20 Confirmation test

20 Confirmation test

End

End

Sfi system
...

Customer problem analysis check
...

Other materials:

Circuit description
The airbag sensor assy center consists of a airbag sensor assy center, safing sensor, drive circuit, diagnosis circuit and ignition control, etc. It receives signals from the airbag sensor, judges whether or not the srs must be activated, and detects diagnosis system malfunction. Dtc b11 ...

Deleting a registered phone number
1 Select “Delete contacts” using . 2 Select the desired phone number using and press (YES). To delete all of the registered phone numbers, select “All delete” using and press (YES). ...

Dialing from the contacts list
You can dial a number from the contact data imported from your cellular phone. The system has one contact for each registered phone. Up to 2500 contacts may be stored in each contact. 1 Display the phone screen. 2 Select “Contacts” tab. 3 Choose the desired contact to call from the list. 4 C ...

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