Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / How to proceed with troubleshooting
Toyota Corolla (E120): 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

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

5 Clear dtc and freeze frame data

6 Visual inspection

7 Setting check (test) mode diagnosis

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

10 Dtc check
| A | Malfunction code |
| B | No code |
B go to step 12

11 Dtc chart

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
| A | Wrong circuit confirmed |
| B | Wrong parts confirmed |
B go to step 17

14 Check ecm power source circuit

15 Circuit inspection
| A | Malfunction not confirmed |
| B | Malfunction confirmed |
B go to step 18

16 Check for intermittent problems

Go to step 18
17 Parts inspection

18 Identification of problem

19 Adjustment, repair

20 Confirmation test

End
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...
Editing the contact data
For PBAP compatible Bluetooth® phones, this function is available when “Automatic
Contact/History Transfer” is set to off. 1 Select “Edit Contact”.
2 Select the desired contact.
3 Select corresponding to the desired name or number.
► For editing the name
Follow the steps in “R ...
Heater control & accessory assy
Replacement
1. Remove console panel upper
2. Remove instrument cluster finish panel
3. Remove heater control & accessory assy
Release the 2 fitting claws and pull out the heater control
& accessory assy.
Using a screwdriver, open the claw of the cable clamp and
dis ...


