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:
Using the interior lights
Interior lights list
1 Front interior light/personal lights
2 Rear interior light
3 Engine switch light (vehicles with a smart key system)
Front interior light/personal lights
■ Front interior light
► Type A
► Type B
1 Off
2 Door position
3 On
■ Personal li ...
Winter driving tips
Carry out the necessary
preparations and inspections
before driving the
vehicle in winter. Always
drive the vehicle in a manner
appropriate to the prevailing
weather conditions.
Pre-winter preparations
Use fluids that are appropriate
to the prevailing outside temperatures.
Engine oil
Engine c ...
Ecm/pcm processor
Dtc p0606 ecm/pcm processor
Monitor description
The ecm continuously monitors its internal circuits. This self–check insures
that the ecm is functioning properly.
If a malfunction is detected, the ecm will set the appropriate dtc and
illuminate the mil.
The two cpus, main and sub cpu i ...


