Toyota Corolla Repair Manual: How to proceed with troubleshooting
The hand–held tester can be used at step 3, 4, 5, 7, 10.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Connect hand–held tester to dlc3
Hint
: if the display indicates a communication fault in the tool, inspect dlc3.
4 Check dtc and freeze frame data
Hint
: record or print dtc and freeze frame data, if needed.
5 Clear dtc and freeze frame data
6 Visual inspection
7 Setting check (test) mode diagnosis
8 Problem symptom confirmation
Hint
: if the engine does not start, perform steps 10 and 12 first.
| A | Malfunction does not occur |
| B | Malfunction occurs |
B go to step 10
9 Symptom simulation
10 Dtc check
| A | Malfunction code |
| B | No code |
B go to step 12
11 Dtc chart
Go to step 14
12 Basic inspection
| A | Wrong parts not confirmed |
| B | Wrong parts confirmed |
B go to step 17
13 Problem symptoms table
| A | Wrong circuit confirmed |
| B | Wrong parts confirmed |
B go to step 17
14 Check ecm power source circuit
15 Circuit inspection
| A | Malfunction not confirmed |
| B | Malfunction confirmed |
B go to step 18
16 Check for intermittent problems
Go to step 18
17 Parts inspection
18 Identification of problem
19 Adjustment, repair
20 Confirmation test
End
Sfi system
...
Other materials:
Checking monitor status
Hint:
”monitor result” indicates normal or malfunction of each
component and system when judgment has done.
1. How to read data
Connect the hand–held tester to the dlc 3.
enter ”monitor result” from ”diagnosis / enhanced
obd ii / monitor info / monitor result”
on the hand–held ...
Identification information
Vehicle identification and serial numbers
1. Vehicle identification number
The vehicle identification number is stamped on the vehicle
identification number plate and certification label, as
shown in the illustration.
Vehicle identification number plate
certification label
2. Engine ...
Screen for general settings
1 Press the “SETUP” button.
2 Select “General” on the “Setup” screen.
1 “English”, “Français” or “Español” can be selected.
2 On/off can be selected to sound beeps.
3 Select to change the screen color.
4 Select to change the keyboard layout.
5 The animation effect for the screen ...