Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Horn relay circuit / Circuit description
Toyota Corolla (E120): Circuit description
When the tvip system is transferred from the armed state to the alarm sounding state, the tvip ecu switches on the horn relay so that it can sound the horns. The horn sounds in 0.4 Seconds interval.
Wiring diagram

Other materials:
Circuit description
A thermistor is built in the engine coolant temperature sensor and changes
the resistance value according
to the engine coolant temperature.
The structure of the sensor and connection to the ecm is the same as those of
the intake air temperature
sensor.
Hint:
if the ecm detects the dtc ...
Transmission wire (atm)
Replacement
1. Remove transmission valve body assy
2. Remove transmission wire
Disconnect the transmission wire connector.
removal the bolt and transmission wire.
3. Install transmission wire
Coat a o–ring with atf.
install the transmission wire and bolt.
To ...
Outside rear view mirrors
The rear view mirror's position
can be adjusted to
enable sufficient confirmation
of the rear view.
■When using the outside rear
view mirrors in a cold weather
When it is cold and the outside rear
view mirrors are frozen, it may not
be possible to fold/extend them or
adjust the mirror surface. Rem ...


