Inspection Procedure 15

INSPECTION PROCEDURE 15: Noise: Noise appears during vibration or shocks.

DIAGNOSIS

STEP 1. Check the installation of antenna feeder cable.

Q: Is the antenna feeder cable installed securely?

YES : Go to Step 2.

NO : Ensure that the antenna base and the radio and CD player or radio and CD player with CD changer are installed securely. Check that there is no noise.

STEP 2. Check radio and CD player or radio and CD player with CD changer connector C-117 or radio and CD player connector C-118 or radio and CD player with CD changer connector C-119 or amplifier connector C-114, C-115 for loose, corroded or damaged terminals, or terminals pushed back in the connector.







Q: Are radio and CD player or radio and CD player with CD changer connector C-117 or radio and CD player connector C-118 or radio and CD player with CD changer connector C-119 or amplifier connector C-114, C-115 in good condition?

YES : Go to Step 3.

NO : Repair or replace the component(s). Check that there is no noise.

STEP 3. 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. There are no measures 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 4.

NO : It may be static electricity noise.

STEP 4. Verify that the radio is correctly grounded.

Q: Is the radio correctly grounded?

YES : Go to Step 5.

NO : Tighten the screw securely.

STEP 5. Check by replacing radio and CD player or radio and CD player with CD changer.

Q: Do the other radio and CD player or radio and CD player with CD changer work normally?

YES : Repair or replace the original radio and CD player or radio and CD player with CD changer.

NO : Either repair or replace the antenna assembly.