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:
BSM (Blind Spot Monitor)
The Blind Spot Monitor is a
system that uses rear side
radar sensors installed on
the inner side of the rear
bumper on the left and right
side to assist the driver in
confirming safety when
changing lanes.
WARNING
■Cautions regarding the use of
the system
The driver is solely responsible
for sa ...
Circuit description
The speed sensor detects wheel speed and transmits the appropriate
signals to the ecu. These signals are used for control
of the abs control system. Each of the front and rear rotors has
48 serrations.
When the rotors rotate, the magnetic field generated by the permanent
magnet in the spe ...
Checking and adding the
brake fluid
■ Checking fluid level
The brake fluid level should be
between the "MAX" and "MIN"
lines on the tank.
■ Adding fluid
1. Slide and lift up the rubber
strip to partly remove it as
shown.
2. Disconnect the claws and
remove the service cover.
3. Remove the reservoir cap.
4. Add brake fluid slowl ...