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:
Pre–check
1. Selecting compass display mode
the compass switch allows you to select the display or non–display
mode of the compass.
2. Setting zone
deviation between the ”magnetic north” and ”actual north” differs
depending on the location. Therefore,
adjustment of the ...
Body panel undercoating areas
Apply pastar uwe or pastar uc to the chassis, floor underside, sheet metal
fitting weld points of the body, and
inside of the wheel house to prevent rust and noise, as well as protect the body
from flying rocks.
Hint:
work must be performed while wearing the appropriate protective ...
Inspection procedure
1 Check un–lock warning switch assy
Disconnect the key unlock warning switch connector.
check the continuity between the terminals of the key unlock
warning switch connector, as shown in the illustration
and table.
Standard:
2 Check wire harness (tvip ecu unlock warni ...


