Inspection Procedure
WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK SPEAKERS
- Check the speaker unit installation condition.
- Check that each speaker is securely installed.
Standard: The problem does not recur.
HINT:
The radio has a noise prevention function to reduce noise when listening to the radio. If a loud noise occurs, check whether the ground at the antenna mounting base and the noise prevention unit are installed and wired correctly.
NOISE CONDITIONSNoise Conditions Noise Source Depressing the accelerator pedal makes the noise louder. However, the noise stops immediately when the engine is stopped. Alternator Noise occurs while the A/C or heater is in operation. Blower motor Noise can be heard during sudden acceleration on an unpaved road, or after the ignition switch is turned ON. Fuel pump Noise can be heard when the horn is pressed and released, or held down continuously. Horn Slight noise can be heard while the engine runs, but stops when the engine is stopped. Ignition Noise can be heard when the turn signal blinks. Flasher Noise can be heard while the window washer is in operation. Washer Noise can be heard while the engine is running and continues after it is stopped. Water temperature sensor Noise can be heard while the wiper system is in operation. Wiper Noise can be heard when the brake pedal is depressed. Stop light switch Others Static electricity HINT:
- First confirm that the foreign noise cannot be heard. Failure to do so will likely result in misdiagnosis of the source of the noise.
- If more than one source exists, noise should be removed from the loudest to quietest.
- Check that each speaker is securely installed.
- NG: REINSTALL SPEAKER PROPERLY
- OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (see PROBLEM SYMPTOMS TABLE )
- Check the speaker unit installation condition.