Mazda 323 1988 Workshop Manual page 1019

15
AUDIO SYSTEM
RADIO
ELECTRONIC SEARCH/SEEK TUNING DOES NOT STOP
(IF EQUIPPED)
1
'__,
Check antenna plug is inserted
completely into antenna receptacle.
a&
Antenna plug
Replace antenna.
Check antenna and lead-in for broken connectors.
Tester indicates infinite?
Antenna feeder
PI ug
Ohmmeter
AM:
With engine off, touch antenna.
while receiving a station in mid
range whose signal is not weak or
strong. (Other parts of body must
not touch the car.)
Volume increases - Antenna is
defective.
Volume decreases - Antenna OK.
1
OK
1 Rdace radio unit. I
.-
NO DISPLAY OF FREQUENCY/PRESET MEMORY IS
CANCELED (IF EQUIPPED)
Check voltage between back-up
lead and ground while tuning,
when engine on and off.
If the voltage is higher than about
8 volt, back-up circuit is OK.
Voltmeter
OK
Check connection between output connector of power swrce and radio.
Note
When battery is discharged or disconnected, or radio is disconnected from battery during
repair etc., all memory is cancelled. Preset stations must be reset again.
83U15X-151
.-
15-l 24