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

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

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

Check and replace radio receiver assy

    Share this page:

    Other materials:

    Circuit description
    The vehicle speed sensor circuit is sent to cruise control ecu assy as a vehicle speed signal. For each rotation of the shaft, the vehicle speed sensor sends a signal through the combination meter assembly to the cruise control ecu assy (see the following chart). The cruise control ecu assy ...

    Replacement
    Hint: installation is in the reverse order of the removal. But the installation is indicated only when it has a point. 1. Remove spare wheel cover assy 2. Remove rear floor finish plate Remove the 3 clips.  using a moulding remover, remove the rear floor finish plate. 3. Rem ...

    Inspection procedure
    1 Check ignition or starter switch assy Check the ignition switch, as shown in the illustration and table. Standard: 2 Check fuse (ecu–b) Remove the fuse from the instrument panel j/b.  check the continuity of the fuse. Standard: continuity 3 Check relay (m ...