Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Audio system / Radio broadcast cannot be received (bad reception)
Toyota Corolla (E120): Radio broadcast cannot be received (bad reception)
Inspection procedure
1 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 it functions
normally.
Standard: the radio auto–search functions properly.
2 Check optional component
- Check optional component (sun shade film, telephone antenna etc.).
- Check whether or not any optional component is installed, such as
the sunshade film and the
telephone antenna, is installed.
Standard: optional component is installed.
3 Check antenna for noise production
- Noise check with antenna
- with the ignition switch in acc, turn on the radio and choose the am mode.
- Place a tip of a screwdriver or the antenna of the antenna
assembly w/ holder and check that
the noise heard from the speaker.
Standard: noise occurs.
4 Inspect radio receiver assy(antenna)
- Preparation for check
- remove the antenna plug of the radio receiver assembly.
- noise check
- with the radio receiver assembly connector connected, turn the ignition switch to acc.
- Turn on the radio and choose the am mode.
- Place a flat–head screwdriver or a metal such as a
thin wire on the antenna jack of the radio receiver
assembly and check that the noise heard from the
speaker.
Standard: noise occurs.
Replace amplifier antenna assy
Other materials:
Safety Connect services
■ Automatic Collision Notification
In case of either airbag deployment
or severe rear-end collision,
the system is designed to
automatically call the response
center. The responding agent
receives the vehicle's location
and attempts to speak with the vehicle occupants to assess the
level of emerge ...
Inspection procedure
1 Inspect fuse(stop)
Turn the ignition switch to off.
remove the stop fuse from the instrument panel j/b.
check continuity of the stop fuse.
Ok: continuity
2 Inspect stop lamp switch assy
Disconnect the stop lamp switch assy connector.
check continuity betw ...
Using automatic mode
1 Press .
The dehumidification function begins to operate. Air outlets and fan speed are
automatically adjusted according to the temperature setting.
2 Adjust the temperature setting.
3 To stop the operation, press again.
■ If the system is operated manually in automatic mode
If the fa ...