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:
Overhaul
1. Drain clutch fluid
2. Remove brake master cylinder sub–assy
3. Remove brake booster assy
4. Disconnect clutch reservoir tube
Loosen the clip and disconnect the clutch reservoir tube
from the clutch master cylinder assy.
Hint:
use a container to catch the fluid.
5. Disconnect ...
Inspection procedure
1 Check front airbag sensor (rh) circuit (to b+)(airbag sensor assy
center – airbag front rh sensor)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag front rh
sensor and the airbag sen ...
BSM (Blind Spot Monitor)
The Blind Spot Monitor is a
system that uses rear side
radar sensors installed on
the inner side of the rear
bumper on the left and right
side to assist the driver in
confirming safety when
changing lanes.
WARNING
■Cautions regarding the use of
the system
The driver is solely responsible
for sa ...


