Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Audio system / Cassette tape cannot be inserted or played
Toyota Corolla (E120): Cassette tape cannot be inserted or played
Wiring diagram
Inspection procedure
1 Check for any foreign object
- Check for any foreign object.
- Check that no foreign object or defect is detected in the cassette
tape player of radio receiver
assembly.
Standard: no foreign object and defect detected.
2 Check cassette tape
- Check the cassette tape.
- Check that the cassette tape is a normal tape to which music or
voice is recorded.
Standard: proper cassette tape to which music or voice is recorded.
3 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: the function is recovered to be normal.
4 Check if radio auto–search functions properly
- Check if the radio auto–search functions properly.
- Perform the auto–search of the radio and check that the operation
is normal.
Standard: the operation returns to be normal.
5 Inspect radio receiver assy(+b, acc, gnd)
- Check that the continuity between terminals at each condition, as shown in the chart.
Standard:
- Check that the voltage between terminals at each condition, as shown in the chart.
Standard:
Repair or replace harness or connector
Other materials:
Speed control main switch assy
Replacement
1. Disconnect battery negative terminal
2. Inspect place front wheels facing straight ahead
3. Remove horn button assy
4. Remove steering wheel assy
sst 09950–50013 (09951–05010, 09952–05010, 09953–05020, 09954–05021)
5. Remove speed control main switch assy
Remov ...
How to proceed with troubleshooting
Hint:
carry out troubleshooting in accordance with the procedures on the following
page. Here, only the basic
procedures are shown. Details are provided in the diagnostics section, showing
the most effective methods
for each circuit. Confirm the troubleshooting procedures first for the releva ...
Circuit description
Refer to dtc p0120
Dtc no.
Dtc detection condition
Trouble area
P0121
The following condition is met 4 times. After the vehicle speed
has exceeded 19 mph (30 km/h) once, the throttle position
sensor output value is out of normal range when the throttle
...