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:
Continuously variable transmission
(vehicles without paddle
shift switches)
Select the shift position
depending on your purpose
and situation.
Shift position purpose
and functions
P - Parking the vehicle/
starting the engine
R - Reversing
N - Neutral
(Condition in which the
power is not transmitted)
D - Normal driving*
B - Applying moderate
engine braking driving
down hills ...
Toyota Safety Sense 3.0
The Toyota Safety Sense 3.0
consists of the driving
assist systems and contributes
to a safe and comfortable
driving experience:
WARNING
■Toyota Safety Sense 3.0
The Toyota Safety Sense 3.0
operates under the assumption
that the driver will drive safely,
and is designed to help reduce
the impact t ...
Inspection
1. Cooler thermistor no.1
Check resistance between terminals 1 and 2 of cooler
thermistor no. 1 At each temperature, as shown in the
chart.
Resistance:
If resistance value is not as specified, replace the sensor.
2. Cooler and accessory assy
Inspect blower switch contin ...