Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Audio system / Sound quality is bad only when playing tape
Toyota Corolla (E120): Sound quality is bad only when playing tape
Inspection procedure
1 Replace cassette tape with another and recheck
- Replace the cassette tape with another and recheck.
- Replace the faulty cassette tape with the normal one to see if the
same trouble occurs again.
Standard: malfunction disappear.
2 Check for any foreign object
- Check for foreign object.
- Check that no foreign material and troubles are detected in the radio receiver assembly cassette tape player.
3 Clean head and check operation
- Head cleaning
- raise the cassette door with your finger. Next, using a pencil or similar object, push in the guide.
- Using a cleaning pen or cotton applicator soaked in cleaner, clean the head surface, pinch rollers and capstans.
- Check that the same trouble occurs again.
Check and replace radio receiver assy
Other materials:
Inspection
1. Inspect inner rear view mirror assy
Inspect the electro chromic inner mirror operation.
Connect the positive (+) lead from the battery to terminal
1 and negative (–) lead to terminal 2.
) Attach black colored tape to the forward sensor to
prevent it from sensing.
&nb ...
Front no.1 Speaker assy
Replacement
Hhint: components:
1. Remove front armrest assy lh
2. Remove power window regulator master switch assy (w/ power window)
3. Remove front armrest base panel upper lh (w/o power window)
4. Remove front door window regulator handle assy (w/o power window)
5. Remove front door lowe ...
Transmission valve body assy (atm)
Replacement
1. Remove engine under cover lh
2. Drain automatic transaxle fluid
remove the drain plug, gasket and drain atf.
install a new gasket and drain plug.
Torque: 17.5 Nvm (178 Kgf·cm, 13 ft·lbf)
3. Remove automatic transaxle oil pan sub–assy
Remove the 18 ...