Toyota Corolla (E170): Sound setting
1 Display the “Phone/Message Settings” screen. 2 Select “Sound Settings” on the “Phone/Message Settings” screen.
1 Set the desired ringtone.
2 Adjust the ringtone volume.
3 Adjust the message readout volume.
4 Set the desired incoming SMS/MMS tone.
5 Adjust the incoming SMS/ MMS tone volume.
6 Set the incoming e-mail tone.
7 Adjust the incoming e-mail tone volume.
8 Adjust the default volume of the other party's voice.

■To return to the default volume settings
Select “Default”, and then “Yes”.
Other materials:
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
alterna ...
On–vehicle inspection
1. Inspect drive belt
Visually check the belt for excessive wear, frayed cords,
etc.
If any defect is found, replace the drive belt.
Hint:
cracks on the rib side of a belt are considered acceptable. If the
missing chunks from the ribs are found on the belt, it should be
replaced.
2 ...
On–vehicle inspection
1. Check cooling fan operation with low temperature (below 83 c (181 f))
Turn the ignition switch on.
check that the cooling fan stops.
Hint:
if not, check the cooling fan relay and water temperature sensor, and check for
separated connector or severed
wire between the cooling fan ...


