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:
Front passenger occupant classification
system
Your vehicle is equipped with a front passenger occupant
classification system. This system detects the conditions of
the front passenger seat and activates or deactivates the front
passenger airbag and seat cushion airbag in the front passenger
side.
System components
SRS warning light
Front pa ...
Inspection
1. Inspect outer mirror switch assy
Inspect the mirror switch continuity.
Left side for left/right adjustment switch:
inspect the mirror switch continuity
Standard (left side):
If the result is not as specified, replace the switch assembly.
Right side for left/r ...
Instrument panel
Engine switch
Starting the engine/changing the positions*1
Starting the engine/changing the modes*2
Emergency stop of the engine
When the engine will not start
Warning messages
Shift lever
Changing the shift position
Precautions for towing
When the shift lever does not move
Meters
Read ...