Toyota Corolla Repair Manual: Dtc check/clear
1. Dtc check (normal mode)
Notice
: hand–held tester only: when the diagnostic system is switched from the normal mode to the check mode, all the dtcs and freeze frame data recorded in the normal mode will be erased. So before switching modes, always check the dtcs and freeze frame data, and note them down.
- Checking dtcs using the obd ii scan tool or hand–held tester.
- Turn the ignition switch off.
- Connect the obd ii scan tool or hand–held tester to dlc3.
- Turn the ignition switch to the on position.
- Use the obd ii scan tool or hand–held tester to check the dtcs and freeze frame data and note them down (for operating instructions, see the obd ii scan tool’s instruction book).
- to confirm the details of the dtcs.
Notice
: when simulating symptoms with an obd ii scan tool (excluding hand–held tester) to check the dtcs, use the normal mode. For codes on the dtcs chart subject to ”2 trip detection logic”, turn the ignition switch off after the symptom is simulated once. Then repeat the simulation process again. When the problem has been simulated twice, the mil is indicated on the instrument panel and dtcs are recorded in the ecm.
2. Dtc clear
- When using the obd ii scan tool or hand–held tester: clearing the dtcs.
- Connect the obd ii scan tool or hand–held tester to the dlc3.
- Turn the ignition switch to the on position.
- When operating the obd ii scan tool (complying with sae j1978) or hand–held tester to erase the codes, the dtcs and freeze frame data will be erased. (See the obd ii scan tool’s instruction book for operating instructions.)
- when not using the obd ii scan tool or hand–held tester: clearing the dtcs.
- Disconnecting the battery terminal or remove the efi and etcs fuses from the engine room j/b for 60 seconds or more.
Diagnosis system
Description
when troubleshooting obd ii vehicles, the only difference
from the usual troubleshooting procedure
is that you need to connect an obd ii scan tool complying
with sae j ...
Check mode procedure
1. Dtc check (check mode)
Hint:
hand–held tester only:
compared to the normal mode, the check mode has more sensing
ability to detect malfunctions. Furthermore, the same diagnostic
items which ar ...
Other materials:
Alarm system
General information
When the vehicle is locked, the vehicle alarm
system reacts to the following changes:
Opening a door, the hood or the trunk lid.
Movements in the car's interior.
Changes in the vehicle tilt, for instance, during
attempts at stealing a wheel or when towing
the vehicle.
Disc ...
USB connection
General information
Mobile devices with a USB port are connected to
the USB interface.
Mobile phones.
The snap-in adapter features a separate USB
port that is automatically connected when a
compatible mobile phone is inserted.
Audio devices such as MP3 players.
USB storage devices.
Common fi ...
Adjustment
1. Headlight aim only
place the vehicle in the following conditions.
The area around the headlight is not deformed.
The vehicle is parked on a level surface.
Tire inflation pressure is in the specified value .
A driver is in the driver’s seat and the vehicle is in a state ready ...
