Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Stop light switch circuit
Toyota Corolla (E120): Stop light switch circuit
Other materials:
Using the interior lights
Interior lights list
1 Front interior light/personal lights
2 Rear interior light
3 Engine switch light (vehicles with a smart key system)
Front interior light/personal lights
■ Front interior light
► Type A
► Type B
1 Off
2 Door position
3 On
■ Personal li ...
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 supplyin ...
Circuit description
When driving uphill under cruise control, in order to reduce the number of
shifting due to on–off overdrive
operation and to provide smooth driving, when down shifting in the
electronically controlled transmission occurs,
a signal to prevent upshift until the end of the uphill slope is sent ...