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:
Description
When troubleshooting obd ii vehicles, the only difference
from the usual troubleshooting procedure is that you
need to connect the vehicle to the obd ii scan tool complying
with sae j1978 or the hand–held tester, and read
various data output from the vehicle’s ecm.
Obd ii regulation ...
Inspection procedure
Hint:
if different dtcs related to different systems that have terminal e2
as the ground terminal are output
simultaneously, terminal e2 may be open.
If dtc p0441 (purge flow), p0446 (vsv for ccv), p0451, p0452 or p0453
(evaporative pressure
sensor) is output with dtc p0442 or p0456, ...
Inspection procedure
Hint:
read freeze frame data using the hand-held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, the ...


