Inspection Procedure 6: Broadcasts can be Heard, but Each of LW/MW/FM has a lot of Noise.



DIAGNOSIS PROCEDURE

STEP 1. Check the state of the antenna.



Q. Is the check result normal?





STEP 2. Check that the noise occur when the engine is stopped or the engine is running.


Q. Does noise occur when the engine is stopped or the engine is running?





STEP 3. Check that the following actions disappear the noise.


(1)Tune to a station with a stronger wave.
(2)Adjust the sound quality to suppress high tones.

Q. Is the noise eliminated?





STEP 4. Check that the radio and CD player or CD changer is correctly earthed



Q. Is the radio correctly earthed?





STEP 5. Check the antenna plug is connected to the radio and CD player or CD changer.


Q. Is the antenna plug thoroughly connected to the radio and CD player or CD changer?





STEP 6. Check that the noise is eliminated when the antenna plug is properly attached.


Q. Is the noise eliminated?