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:
Vehicle information
This screen can be used to display the fuel consumption.
“Trip Information” or “Past Record” screen
Press “CAR” to display the “Trip Information” or “Past Record” screen.
Fuel consumption
■ Trip information
If the “Trip Information” screen does not appear, select â ...
Selecting a folder
■ Selecting a folder
Press (
) or (
) to select the desired folder.
■ Selecting a folder and file from a folder list
1 Press .
A folder list will be displayed.
2 Turn and press to select a folder
and a file.
To return to the previous display, press
(BACK).
■ Return ...
Inspection procedure
1 Check d squib circuit(airbag sensor assy center – horn button
assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the horn button assy
and the airbag sensor assy center.
for the oran ...


