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
Other materials:
Bluetooth® device registration status
1 Display the “Bluetooth* Setup” screen.
*: Bluetooth is a registered trademark of Bluetooth SIG, Inc.
2 Select the device.
3 Select “Device Info”.
4 Following screen is displayed:
1 Device Name
2 Change connection method
3 Bluetooth® Address
4 Display your telephone number
The n ...
Cd sound skips
Inspection procedure
1 Disc cleaning
Disk cleaning
) if the disk gets dirty, clean the disk by wiping the surface
from the center to outside in the radial directions
with a soft cloth.
Notice:
do not use a conventional record cleaner or anti–static preservative.
Standard: ...
Exterior/interior trim
Preparation
Recomended tools
Equipment
Vehicle control system
Preparation
Recomended tools
...