Toyota Corolla Owners Manual: Using the audio system
Optimal use of the audio system
Sound quality (treble/bass) and volume balance can be adjusted.
1 Displays the current mode 2 Changes the following setting • Sound quality and volume balance
The sound quality and balance setting can be changed to produce the best sound.
• Automatic Sound Levelizer on/ off
3 Selects a mode
Using the audio control function
■ Changing sound quality modes
1 Press 
.
2 Turn 
to select “Sound Setting”.
3 Press 
.
4 Turn 
to select the desired mode.
“BASS”, “TREBLE”, “FADER”, “BALANCE”, or “ASL” 5 Press
.
■ Adjusting sound quality
Turning 
adjusts the level.
*:The sound quality level is adjusted individually in each audio mode.
■ Adjusting the Automatic Sound Levelizer (ASL)
When ASL is selected, turning 
to
the right changes the amount of ASL in the order of “LOW”, “MID” and “HIGH”.
Turning 
to the left turns ASL off.
ASL automatically adjusts the volume and tone quality according to the vehicle speed.
AUX port/USB port
Connect an iPod, USB memory device or portable audio player to the AUX port/USB
port as indicated below. Press to select
“iPod”, “USB” or “AUX”.
Connecting using the AUX port/USB port
■ i ...
Using the radio
Radio operation
Select “AM” or “FM” to begin listening to the radio.
1 Power
2 Volume
3 Station selectors
4 Adjust frequency or select an item
5 AM/FM mode button
6 Scan for receivable statio ...
Other materials:
Listening to a USB memory device
Connecting a USB memory device enables you to enjoy music from the vehicle
speakers.
Touch “USB” on the audio source selection screen.
Connecting a USB memory device
Audio control screen
Pressing the “AUDIO” button displays the audio control screen from any screens
of the selected source.
1 ...
On–vehicle inspection
1. Inspect air–fuel ratio compensation system
Hint:
you can also check the system by choosing ”data monitor”,
then ”o2 sensor output voltage” on the monitor of the
hand–held tester.
Connect the hand–held tester to the terminal 23 (ox1a)
@ 7 (e1) and 21 (ox1b) @ 7 (e1) of the ecm.
Cau ...
Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located
before and after the catalyst
to determine whether or not the catalyst performance has deteriorated.
Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen
sensor in front of the catalyst
alternate ...