Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / How to proceed with troubleshooting
Toyota Corolla (E120): How to proceed with troubleshooting
The hand–held tester can be used at step 3, 4, 6, 9.
1 Vehicle brought to workshop

2 Customer problem analysis

3 Connect the obd ii scan tool or hand–held tester to dlc3

4 Check and clear dtc and freeze frame data

5 Visual inspection

6 Setting the check mode diagnosis

7 Problem symptom confirmation
Symptom does not occur: go to
step 8
Symptom occur: go to step 9
8 Symptom simulation

9 Dtc check
Dtc is not output: go to step 10
Dtc is output: go to step 18
10 Basic inspection


11 Mechanical system test


12 Hydraulic test


13 Manual shifting test


14 Problem symptoms table chapter 1


15 Problem symptoms table chapter 2


16 Problem symptoms table chapter 3

17 Part inspection
Go to step 20
18 Dtc chart

19 Circuit inspection

20 Identification of problem

21 Repair

22 Confirmation test

End
Other materials:
Follow the correction procedures. (vehicles with a smart key system and with
a drive monitor display)
After taking the specified steps to correct the suspected problem, check that
the warning light turns off.
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front door), side impact sensors (front), side impac ...
Tire rotation
Rotate the tires in the order
shown.
Front
To equalize tire wear and extend
tire life, Toyota recommends that
tire rotation is carried out at the
same interval as tire inspection.
Vehicles with a tire pressure warning
system: Do not fail to initialize
the tire pressure warning system
after tire ...
Selecting a folder
■ Selecting a folder
Press (
) or (
) to select the desired folder.
■ Selecting a folder and file from a folder list
1 Press .
A folder list will be displayed.
2 Turn and press to select a folder
and a file.
To return to the previous display, press
(BACK).
■ Return ...


