Toyota Corolla (E170) 2014–2019 Owners Manual / Interior features / “SET UP” menu / Using the “SET UP” menu (“Phone” menu) / Setting ringtone volume
Toyota Corolla (E170): Setting ringtone volume
1 Select “Ringtone volume” using 
.
2 Change the ringtone volume.
To decrease the volume: Turn counterclockwise.
To increase the volume: Turn clockwise.
Other materials:
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 ...
Location
...
Circuit description
The variable valve timing (vvt) system includes the ecm, the oil control
valve (ocv) and the vvt controller.
The ecm sends a target ”duty–cycle” control signal to the ocv. This control
signal, applied to the ocv,
regulates the oil pressure supplied to the vvt controller. Camshaft timin ...