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:
Adjustment
1. Inspect and adjust clutch pedal sub–assy
Turn over the floor carpet.
check that the pedal height is correct.
Pedal height from asphalt sheet:
135.8 – 145.8 Mm (5.346 – 5.740 In.)
adjust the pedal height.
Loosen the lock nut and turn the stopper bolt until
...
Basic inspection
Resistance measuring condition of electronic parts
unless stated, all resistance is measured at an ambient
temperature of 20 c (68 °F). As the resistance
may be outside the specifications if measured at high temperatures
immediately after
the vehicle has been running, measu ...
Tire inflation pressure
Checking the specified
tire inflation pressure
The recommended cold tire
inflation pressure and tire size
are displayed on the tire and
loading information label.
Inspection and adjustment
procedure
Tire valve
Tire pressure gauge
1. Remove the tire valve cap.
2. Press the tip of the tire pres ...


