Toyota Corolla (E170) 2014–2019 Owners Manual / Interior features / Setup (Multimedia system) / Audio settings
Toyota Corolla (E170): Audio settings
Settings are available for adjusting the radio operation, cover art, etc.
Screen for audio settings
1 Press the “SETUP” button.
2 Select “Audio” on the “Setup” screen.
1Number of Radio Presets Select the number of radio preset stations.
2 Display Cover Art on/off 3 Automatic Sound Levelizer

Other materials:
Inspection
1. Intake air flow meter sub–assy
Inspect the intake air flow meter resistance.
Using an ohmmeter, measure the resistance between
terminals tha and e2.
Resistance:
at –20 c (–4 f) 13.6 To 18.4 KΩ
at 20 c (68 f) 2.21 To 2.69 KΩ
at 60 c (140 f) 0.49 To 0.67 ...
On–vehicle inspection
1. Inspection throttle body idle speed control valve assy
Notice:
it is impossible to check the resister value and the operation
of isc valve by itself, because the isc valve
has an ic circuit inside it, which transforms the duty
signal from the ecm to the derive signal.
After check ...
Turning on light switch does not light up night time
illumination of radio receiver
Wiring diagram
Inspection procedure
1 Inspect radio receiver assy(ill+, ill–)
Check that the voltage between terminals at each condition,
as shown in the chart.
Standard:
Repair or replace harness or connector ...


