Toyota Corolla (E120): Circuit description
The wireless receiver receives a set/unset signal for the tvip system and sends the signal to the tvip ecu via the integration relay.
Wiring diagram
Other materials:
Circuit description
In the diagram below, when the engine is cranked, current flows from terminal
st2 of the ignition switch to
the starter relay coil and also current flows to terminal sta of the ecm (sta
signal).
When the sta signal and ne signal are input to the ecm, tr is turned on, current
flows to the c ...
Customization
Customizable features
Your vehicle includes a variety of electronic features that can be personalized
to suit your preferences. Programming these preferences requires specialized equipment
and may be performed by your Toyota dealer.
Customizing vehicle features
■ Changing by using the n ...
Communication system
Horn system
Location
Problem symptoms table
Inspection
1. Inspect low pitched horn assy
Connect the positive (+) lead from the battery to the terminal
and the negative (–) lead to the horn body, and check
that the horn blows.
If the result is not as specified, replace the ...