Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Audio system / Sound quality is bad only when cd is played(volume is
too low)
Toyota Corolla (E120): Sound quality is bad only when cd is played(volume is too low)
Inspection procedure
1 Replace cd with another and recheck
- Replace the cd with another and recheck.
- Check the installation condition of the radio receiver assembly.
Standard: malfunction disappear.
Check and replace radio receiver assy
Other materials:
Cassette tape cannot be inserted or played
Wiring diagram
Inspection procedure
1 Check for any foreign object
Check for any foreign object.
Check that no foreign object or defect is detected in the cassette
tape player of radio receiver
assembly.
Standard: no foreign object and defect detected.
2 Check cassett ...
Phone screen
To display the screen shown below, press the
switch on the steering wheel or the
button.
Several functions are available to operate on each screen that is displayed by
selecting the 4 tabs.
1 Device name
2 Bluetooth® connection status
■ Telephone switch
■ Microphone
υ ...
Circuit description
The d squib circuit consists of the airbag sensor assy center, spiral cable
sub–assy and horn button assy.
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b0100/13 is recorded when a short is detected in the d squib circuit.
Wiring diagram
...