Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Ecm power source circuit / Circuit description
Toyota Corolla (E120): Circuit description
When the ignition switch is turned on, battery positive voltage is applied to the coilwhich closes the contacts of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm.
This signal causes current to flow to the coil, closing the contacts of the efi relay and supplying power to terminal +b of the ecm.
If the ignition switch is turned off, the ecm continues to switch on the efi relay for a maximum of 2 seconds for the initial setting of the isc valve.
Wiring diagram
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Using a Bluetooth® Phone
The hands-free system is a function that allows you to use your cellular phone
without touching it.
This system supports Bluetooth®. Bluetooth® is a wireless data system that allows
the cellular phone to wirelessly connect to the hands-free system and make/receive
calls.
Before making a ph ...
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1 Display the “Bluetooth* Setup” screen.
2 Select “System Settings”.
3 The following screen is displayed:
1 Bluetooth® Power on/off
You can change Bluetooth® function on/off
2 Bluetooth® Name
3 Change PIN-code
4 Bluetooth® Address
5 Display Phone Status
You can set the system ...