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:
Spiral cable sub–assy
Components
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Place front wheels facing straight ahead
check that the front wheels are facing straight ahead.
4. Remove horn button assy
5. Remove steering wheel assy
sst 09950–50013 ...
Overhaul
Hint:
overhaul the rh side by the same procedure as the lh side.
1. Remove front wheel
2. Drain brake fluid
Notice:
wash the brake fluid off immediately if it comes into contact with any painted
surface.
3. Remove front disc brake cylinder sub–assy
Remove the union bolt and gasket ...
Using the key (vehicles
without a smart key system
and with a wireless
remote control function)
Releasing
To release the key, press the button
Folding
To stow the key, press the button
then fold the key.
Using the mechanical key
(vehicles with a smart key
system)
To take out the mechanical key,
slide the release button and take
the key out.
The mechanical key can only be
inserted in o ...


