Inspection Procedure 13

Inspection Procedure 13: Noise appears during vibration or shocks.









DIAGNOSIS

STEP 1. Check the fit of the antenna.

Q. Is the antenna base fitted securely?

YES Go to Step 2.
NO Install the antenna, and tighten the mounting nut (Refer to Antenna Removal and Installation).
Check that there is no noise.
STEP 2. Check the fit of antenna feeder cable.

Q. Is the antenna feeder cable fitted securely?

YES Go to Step 3.
NO Ensure that the antenna base and the radio and CD player are fitted securely.
Check that there is no noise.
STEP 3. Check radio and CD player connector C-107, C-109 and amplifier connector D-29, D-30 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q. Are radio and CD player connector C-107, C-109 and amplifier connector D-29, D-30 in good condition?

YES Go to Step 4.
NO Repair or replace the damaged component(s). Harness Connector Inspection. Check that there is no noise.
STEP 4. Check that noise appears when the radio switch is turned on while the vehicle is stopped and the radio is tapped while tuned away from a station.

NOTE:
Body static electricity 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 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?

YES Go to Step 5.
NO It may be static electricity noise.
STEP 5. Verify that the radio is correctly grounded.

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

Q. Is the radio correctly grounded?

YES Go to Step 6.
NO Tighten the screw securely. Check that there is no noise.
STEP 6. Check by replacing radio and CD player.

Q. Do the other radio and CD player work normally?

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