Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / Repair instruction / Precaution / For vehicles equipped with mobile communication system
Toyota Corolla (E120): For vehicles equipped with mobile communication system

- Install an antenna as far as possible away from the ecu and sensors of the vehicle’s electronic systems.
- install an antenna feeder at least 20 cm (7.87 In.) Away
from the ecu and sensors of the vehicle’s electronic systems.
For details of the ecu and sensors locations, refer to the section on the applicable component.
- prevent the antenna feeder from getting entangled with the other wirings, and keep the antenna feeder separately from the other wirings as much as possible.
- check that the antenna and feeder are correctly adjusted.
- do not install any powerful mobile communication system.
Other materials:
Disabling the TRAC system
If the vehicle gets stuck in mud, dirt or snow, the TRAC system may reduce power
from the engine to the wheels. Pressing
to turn the system off may make it
easier for you to rock the vehicle in order to free it.
To turn the TRAC system off, quickly press and release
.
The “TRAC OFF” ind ...
Smart key system
The following operations can be performed simply by carrying the electronic
key on your person, for example in your pocket.
(The driver should always carry the electronic key.)
● Locks and unlocks the doors
● Opens the trunk
● Starts the engine
■Antenna location
1 A ...
Inspection procedure
1 Check door lock
When the door does not operate manually, proceed to ”a”.
when the door does not operate via the key, proceed to ”b”.
2 Inspect door lock control switch
W/ power window:
remove the power window regulator master switch assy.
Inspect th ...


