SYSTEM
Troubleshooting
35
No sound
from one speaker.
Check to see if there is any sound when
the radio fader and balance knobs are
centered.
I
Check to see if there
IS
any sound when
attached to another radio.
No
Yes
Repair or replace radio unit.
I
Remove the connector on the back of
the radio and check the speaker harness
for conductance.*’
It conducts electricity but is
shorted out.,
Repair
er harness.
No
Check the speaker for
Yes
Repair speaker harness and ensure
proper connection of relay connec-
tors.
No
or replace speaker.
connector
Crackle
crackle
range
Crackle
crackle
Tester:
range (xl)
*‘Conductance check method 1
( 1 ) R e m o v e
and
connectors from radio.
(2) Insert test
into connector terminal.
(Concerning speaker connector, refer to
115,
and 123.)
Determination
Normal
Check result
Malfunction
Malfunction
Speaker crackles. When there is
*‘Conductance check method 2
Remove the speaker
c o n n e c t o r .
(2) Insert the test probe into the connector terminal.
(3) Refer the results to the above chart.
TSB Revision