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:
Outside temperature display
The temperature display shows temperatures within the range of -40°F (-40°C)
to 122°F (50°C).
► Type A
► Type B
► Type C
► Type D
■The outside temperature is displayed when
►Vehicles without a smart key system
The engine switch is in the “ON ...
Aluminum wheel precautions (if equipped)
● Use only Toyota wheel nuts and wrenches designed for use with your aluminum
wheels.
● When rotating, repairing or changing your tires, check that the wheel nuts are
still tight after driving 1000 miles (1600 km).
● Be careful not to damage the aluminum wheels when using tir ...
Inspection procedure
Hint:
read freeze frame data using the hand-held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, the ...


