InstallationToyota CH-R Service Manual > Smart Key System(for Entry Function): System Description
SYSTEM DESCRIPTION
MULTI CHANNEL FUNCTION
(a) The electrical key transmitter sub-assembly and electrical key and TPMS receiver
assembly can operate on two different RF channels. When an electrical key transmitter
sub-assembly is brought within an exterior detection area, key verification begin ...
Toyota CH-R Service Manual > Navigation System: Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION
for Automatic Sound Levelizer (ASL):
This circuit is necessary for the Automatic Sound Levelizer (ASL) built
into the radio and display receiver assembly.
The Automatic Sound Levelizer (ASL) function automatically adjusts the
audio system volume level in order to com ...