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:
Setting speed dials
1 Select “Add SD” using . 2 Select
the desired data using .
3 Press and hold the desired preset button (from
to
).
For details about setting speed dials from the call history: For details about
deleting speed dials: ...
Inspection procedure
1 Inspect dlc3 terminal voltage(ts terminal)
Turn the ignition switch to on.
measure voltage between terminals ts and cg of dlc3.
Ok:
voltage: 10 – 14 v
2 Check harness and connector(dlc3 – body ground)
Check for open and short circuit in harness and connector between
...
Wiring
Power source
Location
...