[54A] CHASSIS ELECTRICAL - - RADIO WITH TAPE PLAYER AND CD PLAYER - SYMPTOM PROCEDURES - INSPECTION PROCEDURE 7: Broadcasts can be Heard but Both AM and FM have a lot of Noise. | PRINT PAGE / INDEX / PRIOR / NEXT

INSPECTION PROCEDURE 7: Broadcasts can be Heard but Both AM and FM have a lot of Noise.
DIAGNOSIS PROCEDURE
STEP 1. Check the state of the antenna. Q: Is the mast antenna assembled? YES: Go to Step 2. NO: Assemble the mast antenna. Check to see that the noise is gone.
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? When the engine is stopped: Go to Step 3. When the engine is running: Check the vehicle's noise suppressor (Refer to Inspection Procedure 10 ).
STEP 3. Check that the following actions disappear the noise. Tune to a station with a stronger wave. Extend the antenna completely (Mast antenna). Adjust the sound quality to suppress high tones. Q: Is the noise eliminated? YES: Consult the radio manufacturer's service centre. NO: Go to Step 4.
STEP 4. Check that the radio is correctly earthed The radio is connected to the earth with an assembling screw. Q: Is the radio correctly earthed? YES: Go to Step 5. NO: Consult the radio manufacturer's service centre.
STEP 5. Check the connection of the antenna plug and radio and tape or CD player. Q: Is the antenna plug thoroughly connected to the radio and tape or CD player? YES: Go to Step 7. NO: Go to Step 6.
STEP 6. Check that the noise is eliminated when the antenna plug is properly attached. Q: Is the noise eliminated? YES: Consult the radio manufacturer's service centre. NO: Go to Step 7.
STEP 7. Check that the antenna is in good condition and is it properly mounted. Q: Is the antenna in good condition and is it properly mounted? YES: Consult the radio manufacturer's service centre. NO: Either repair or replace the antenna assembly. Check to see that the noise is gone.

[54A] CHASSIS ELECTRICAL - - RADIO WITH TAPE PLAYER AND CD PLAYER - SYMPTOM PROCEDURES - INSPECTION PROCEDURE 7: Broadcasts can be Heard but Both AM and FM have a lot of Noise. | PRINT PAGE / INDEX / PRIOR / NEXT

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