Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Audio system / Cd cannot be inserted or is ejected right after
insertion
Toyota Corolla (E120): Cd cannot be inserted or is ejected right after insertion
Wiring diagram
Inspection procedure
1 Check if a proper cd is inserted
- Check that a proper cd is inserted.
- Make sure that the cd is normal audio cd, and that there is no
deformation, flaw, stain, burr and
other defects on the cd.
Standard: normal audio cd.
Reference:
- translucent or different–shaped cd cannot be played.
- Cd–rom for personal computers (with music recorded in) and recorded cd–r may not be played.
- Playing an 3.2 In. (8–Cm) cd does not require an adapter.


2 Check that a proper cd is inserted
- Check that a proper cd is inserted.
- Check whether or not the cd is inserted upside down.
Standard: not upside down.


3 Disc cleaning

- Disk cleaning
- if the disk gets dirty, clean the disk by wiping the surface from the center to outside in the radial directions with a soft cloth.
Notice
: do not use a conventional record cleaner or anti–static preservative.


4 Replace cd with another and recheck
- Replace the cd with another and recheck.
- Replace the faulty cd with the normal one to see if the same
trouble occurs again.
Standard: malfunction disappear.


5 Check if radio auto–search functions properly
- Check if the radio auto–search function properly.
- Perform the auto–research of the radio and check that the
operation is normal.
Standard: malfunction disappear.


6 Inspect radio receiver assy(+b, acc, gnd)

- Check that the continuity between terminals at each condition, as shown in the chart.
Standard:

- Check that the voltage between terminals at each condition, as shown in the chart.
Standard:



Repair or replace harness or connector
Other materials:
Radio broadcast cannot be received (bad reception)
Inspection procedure
1 Check if radio auto–search functions properly
Check if the radio auto–search functions properly.
Perform the auto–search of the radio and check that it functions
normally.
Standard: the radio auto–search functions properly.
2 Check optional ...
Installing tire pressure
warning valves and transmitters
(vehicles with a
tire pressure warning system)
When replacing tires or wheels,
tire pressure warning valves and transmitters must also be
installed.
When new tire pressure warning
valves and transmitters are
installed, new ID codes must be
registered in the tire pressure
warning computer and the tire
pressure warning system must
be initialized. ...
Circuit description
The actuator motor is operated by signals from the cruise control ecu assy.
Acceleration and deceleration
signals are transmitted by changes in the duty ratio (see below).
Duty ratio:
the duty ratio is the ratio of the period of continuity in one cycle. For
example, if a is the period of co ...


