Toyota Corolla (E120): Cd sound skips
Inspection procedure
1 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.
Standard: malfunction disappear.


2 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.


3 Check when this happens
- Check then this happens.
- Check that in what condition (place) noise occurs.
Standard: driving on the bumpy road.


4 Compare it with another car of same model
- Compare it with another vehicle of the same model.
- Compare with the vehicle of the same type which does not have a
trouble to see if there is any
difference in the condition of trouble occurrence.
Standard: no difference found.


Disc cleaning
- Check of radio receiver assembly installation.
- Check the installation condition of the radio receiver assembly.
Standard: installed properly.


6 Did the temperature in the cabin change rapidly?
- Did the temperature in the cabin change rapidly?
- Check whether or not the rapid temperature change occurred in the
cabin.
Standard: the rapid temperature change occurred.
Reference: the rapid temperature change creates condensation inside the cd player, which may disable playing cd.


Check and replace radio receiver assy
Other materials:
Continuously variable transmission
(vehicles without paddle
shift switches)
Select the shift position
depending on your purpose
and situation.
Shift position purpose
and functions
P - Parking the vehicle/
starting the engine
R - Reversing
N - Neutral
(Condition in which the
power is not transmitted)
D - Normal driving*
B - Applying moderate
engine braking driving
down hills ...
Luggage door hinge torsion bar rh
Replacement
Hint:
installation is in the reverse order of the removal. But the
installation is indicated only when it has a
point.
In the lh side, work in the same procedure as in the rh side.
Since the removal of the torsion bar will cause no tension, operation
of opening and closi ...
Sound quality is bad in all modes (volume is too low)
Wiring diagram
Inspection procedure
1 Adjust sound quality
Adjust the sound quality.
Operate the radio receiver assy to adjust the sound quality.
Standard: malfunction disappear.
2 Compare it with another car of same model
Compare it with another vehicle of the same mo ...


