54-132
SYSTEM
Troubleshooting
Some noise appears when there is vibration or shocks during traveling.
I
Are connectors properly connected?
I
Ensure proper connection.
Does noise appear when the radio switch is
turned on while the vehicle is stopped and the
Static electricity noise:
Body static electric from the shock absorber
rubber bushings used to prevent vibration, tires,
etc. occurs because of separation from the
ground, causing a buzzing noise. Since no mea-
sures can be taken on the radio side, steps
should be taken to discharge the static electricity
of the vehicle body.
Is the radio correctly grounded?
(Is the mounting screw tightened securely?)
No
Tighten the screw securely.
Yes
Is the antenna correctly grounded?
(If noise appears when the antenna is moved this
means the ground is not securely connected.)
No
If rust is present of the antenna ground screw
l
clean and tighten the ground securely.
Yes
Repair or replace radio.
TSB Revision