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

1. Replace the cassette tape with another and recheck.

1.  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

1. Check for foreign object.

1.  Check that no foreign material and troubles are detected in the radio receiver assembly cassette tape player.

3 Clean head and check operation

1. Head cleaning

1.  raise the cassette door with your finger. Next, using a pencil or similar object, push in the guide.
2.  Using a cleaning pen or cotton applicator soaked in cleaner, clean the head surface, pinch rollers and capstans.
3.  Check that the same trouble occurs again.

Check and replace radio receiver assy