Inspection Procedure 14
INSPECTION PROCEDURE 14: Noise Appears During Vibration or ShocksDIAGNOSIS
STEP 1 Check the fit of antenna feeder cable
Q: Is the antenna feeder cable fitted securely?
YES: Go to Step 2
NO: Ensure that the antenna base and the radio and CD player or radio, CD player and CD changer are fitted securely Check that there is no noise
STEP 2 Check radio and CD player connector C-111 or radio, CD player and CD changer connector C- 111, C- 116, C-117 and amplifier connector C-113, C-114 for loose, corroded or damaged terminals, or terminals pushed back in the connector
Q: Are radio and CD player connector C-111 or radio, CD player and CD changer connector C- 111, C- 116, C-117 and amplifier connector C-113, C-114 in good condition?
YES: Go to Step 3
NO: Repair or replace the component(s) Refer to Harness Connector Inspection 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 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 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: Check that there is no noise
STEP 5 Check by replacing radio and CD player or radio, CD player and CD changer
Q: Do the other radio and CD player or radio, CD player and CD changer work normally?
YES: Either repair or replace the original radio and CD player or radio, CD player and CD changer Check that there is no noise
NO: Either repair or replace the antenna assembly Check that there is no noise