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:
Circuit description
When driving uphill under cruise control, in order to reduce the number of
shifting due to on–off overdrive
operation and to provide smooth driving, when down shifting in the
electronically controlled transmission occurs,
a signal to prevent upshift until the end of the uphill slope is sent ...
Cooling
Preparation
Recomended tools
Equipment
Coolant
...
Odometer and trip meter
display
■ Changing the display
Press the display change button
until the desired item is displayed.
■ Display items
Odometer
Displays the total distance the vehicle
has been driven.
Trip meter A/Trip meter B
Displays the distance the vehicle
has been driven since the meter
was last reset. Trip me ...


