Toyota Corolla (E170) 2014–2019 Owners Manual / Interior features / Using the Multimedia system / Selecting the audio source / Using the steering wheel switches to change audio source
Toyota Corolla (E170): Using the steering wheel switches to change audio source
The audio source changes as follows each time the “MODE/HOLD” switch is pressed.
Other materials:
Manual transmission/transaxle
Preparation
Sst
Equipment
Lubricant
...
Inspection procedure
1 Inspect shift solenoid valve(sl)
Remove the shift solenoid valve sl.
measure the resistance according to the value(s) in the
table below.
Standard:
Connect the positive (+) battery lead to the solenoid connector
terminal, and the negative (–) battery lead to the
so ...
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 ...