Toyota Corolla (E170) 2014–2019 Owners Manual / Interior features / Using Bluetooth® devices
Toyota Corolla (E170): Using Bluetooth® devices
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Circuit inspection
1 Check d squib circuit(airbag sensor assy center – horn button
assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the horn button assy.
connect the ...
Steering column
Service data
Torque specification
Power steering
Service data
Torque specification
: For use without sst ...
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 ...