Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Ignition switch circuit / Circuit description
Toyota Corolla (E120): Circuit description
If the ignition switch is turned to the on position, battery positive voltage is applied to the switches, such as terminal ig of the ecu.
Wiring diagram
Other materials:
Speaking on the phone
The following screen is displayed when speaking on the phone.
To adjust the call volume
Select “-” or “+”. You can also adjust the volume using the steering switches
or the volume knob.
To prevent the other party from hearing your voice
Select “Mute”.
Inputting tones
When using ...
On–vehicle inspection
1. Horn button assy (vehicles not involved in
collision)
Check the diagnostic system .
visually check the following item with the horn button assy
(with airbag) installed in the vehicle.
Check cuts, minute cracks or marked discoloration on the
horn button assy top surface and in the ...
Using the steering wheel switches
The steering wheel switches can be used to operate a connected cellular phone
or portable digital audio player (portable player).
Operating a Bluetooth® phone using the steering wheel switches
1 Volume
The voice guidance volume cannot be adjusted using these buttons.
2 Off-hook switch
Turns ...