54-134
SYSTEM
Troubleshooting
Ever-present noise.
Noise is often created by the following factors, and
For this reason, if there are still problem with noise
often the radio is OK when it is checked individually.
even after the measures described in steps A-l to
l
Traveling conditions of the vehicle
h a v e b e e n t a k e n , g e t i n f o r m a t i o n o n t h e
l
Terrain of area traveled through
factors listed above as well as determining whether
l
Surrounding buildings
t h e p r o b l e m o c c u r s w i t h A M o r F M , t h e
l
Signal conditions
names, frequencies, etc., and contact a
l
Time period
center.
B. RADIO
B-l N o s o u n d .
Is the key switch of the vehicle in the correct
position (ACC or ON)?
No
Perform the correct operation.
I
Yes
Is the radio switched ON?
Perform the correct operation.
I
With electronic volume control press a few
seconds in the “up” direction to check.
there sound when a cassette tape is inserted?
Yes
Repair or replace radio.
replacement?
Does the problem clear up with fuse
No
the back of the radio disconnected?
Harness is snagged, or other electrical
parts are faulty.
Is the connector at the back of the radio
connected properly?
Connect connector securely.
I
I
Yes
Is the power voltage for the connector
(both ACC and
Repair harness.
Yes
Repair or replace radio.
TSB Revision