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
The o/d main switch (transmission control switch) is a momentary type switch.
When pressing the o/d main
switch, the o/d off indicator light lights up and the ecm prohibits shifting
into o/d, and when pressing it
once again, the o/d off indicator light goes off and the ecm allows shifting
in ...
Adjusting the mirrors
Make sure that you can see backward clearly by adjusting the inside and outside
rear view mirrors properly.
CAUTION
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Do not adjust the position of the driver’s seat while driving.
Doing so could ...
Inspection procedure
1 Check p/t squib(lh) circuit(airbag sensor assy center – front seat
outer belt assy lh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the seat belt pretensio ...