Inspection Procedure 9: Some Noise Appears when there is Vibration or Shocks During Travelling.



DIAGNOSIS PROCEDURE


STEP 1. Connector check: Radio and CD player connector C-125.



Q. Is radio and CD player connector C-125 in good condition?

Go to Step 2.

Repair or replace the connector. Check that there is no noise.

STEP 2. Check that noise appear when the radio switch is turned on while the vehicle is stopped and the radio is tapped while tuned away from a station.


note Static electricity noise: Body static electric from the shock absorber rubber bushings used to prevent vibration, tires, etc. occurs because of separation from the earth, causing a buzzing noise. Since no measures can be taken to discharge the static electricity of the vehicle body. Check that there is no noise.

Q. Does noise appear when the radio switch is turned on while the vehicle is stopped and the radio is tapped while tuned away from a station?

Go to Step 3.
It may be static electricity noise.

STEP 3. Check that the radio correctly earthed.


The radio is connected to the earth with an assembling screw.

Q. Is the radio correctly earthed?

Go to Step 4.
Tighten the screw securely. Check that there is no noise.

STEP 4. Check by replacing the radio and tape player or CD player.


Q. Are operations normal when using another radio and CD player?

Either repair or replace the radio and CD player. Check that there is no noise.
Either repair or replace the antenna assembly. Check that there is no noise.