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:
Circuit description
When the idle switch is turned on, a signal is sent to the cruise control ecu
assy. The cruise control ecu
assy uses this signal to correct the discrepancy between the throttle valve
position and the actuator position
sensor values to enable accurate cruise control at the set speed. If the idl ...
How to check and change detailed Bluetooth® settings
1 Display the “Bluetooth* Setup” screen.
2 Select “System Settings”.
3 The following screen is displayed:
1 Bluetooth® Power on/off
You can change Bluetooth® function on/off
2 Bluetooth® Name
3 Change PIN-code
4 Bluetooth® Address
5 Display Phone Status
You can set the system ...
Shift position uses
*: Shifting to the D position allows the system to select a gear suitable for
driving conditions. Setting the shift lever to the D position is recommended for
normal driving.
■Downshifting restrictions
The shift lever cannot be downshifted if the following speeds are exceeded.
mph (km ...


