Toyota Corolla (E170) 2014–2019 Owners Manual / Interior features / Using the Multimedia system / Selecting the audio source / Changing audio source
Toyota Corolla (E170): Changing audio source
1 Press the “AUDIO” button to display the audio source selection screen.
If the audio source selection screen is not displayed, press the “AUDIO” button again.
2 Select the desired audio source.
1 Select the desired audio source then
or
to reorder.

Other materials:
Circuit description
Refer to dtc p0130
Hint:
the ecm provides a pulse width modulated control circuit to adjust current
through the heater. The heated
oxygen sensor heater circuit uses a relay on the b+ side of the circuit.
Monitor description
The ecm uses the heated oxygen sensor information to regulate t ...
On–vehicle inspection
1. Inspect turn signal flasher relay circuit
Disconnect the connector from the turn signal flasher
relay and inspect the connector on wire harness side as
shown in the chart.
Standard:
Connect the connector to the turn signal flasher and inspect
the wire harness side connector ...
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 ...


