AUDIO AND VISUAL SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Audio Function
Symptom	Suspected Area	See page
Noise occurs	Noise Occurs	Click here
Pressing power switch does not turn on system	Radio Receiver Power Source Circuit	Click here
	Pressing Power Switch does not Turn on System	Click here
	AVC-LAN Circuit	Click here
	Radio Receiver Assembly	Click here
No sound can be heard from speakers	Radio Receiver Power Source Circuit	Click here
	No Sound can be Heard from Speakers	Click here
	Speaker Circuit	Click here
	Radio Receiver Assembly	Click here
Sound quality is bad only when CD is played (volume is too low)	Sound Quality is Bad Only when CD is played (Volume is too low)	Click here
	Speaker Circuit	Click here
	Radio Receiver Assembly	Click here
CD cannot be ejected	Radio Receiver Power Source Circuit	Click here
	CD cannot be ejected	Click here
	Radio Receiver Assembly	Click here
CD cannot be inserted or CD is ejected right after insertion	Radio Receiver Power Source Circuit	Click here
	CD cannot be Inserted or is Ejected Right After Insertion	Click here
CD sound skips	CD Sound Skips	Click here
Radio broadcast cannot be received (bad reception)	Radio Broadcast cannot be Received (Bad Reception)	Click here
Poor sound quality in all modes (low volume)	Poor Sound Quality in All Modes (Low Volume)	Click here
	Speaker Circuit	Click here
	Radio Receiver Assembly	Click here
External device sound cannot be heard or sound quality is bad (stereo jack is used)	Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter	Click here
	Radio Receiver Assembly	Click here
Radio receiver cannot be illuminated at night	Illumination Circuit	Click here
Radio receiver cannot be illuminated at night	Radio Receiver Assembly	Click here
No display in combination meter (radio tuner and CD player can be heard sound)	AVC-LAN Circuit	Click here
	Combination Meter Assembly	Click here
	Radio Receiver Assembly	Click here

Steering Pad Switch Function
Symptom	Suspected Area	See page
Audio system cannot be operated with steering pad switch	Steering Pad Switch Circuit	Click here
	AVC-LAN Circuit	Click here
	Combination Meter Assembly	Click here
	Radio Receiver Assembly	Click here
Illumination for steering pad switch does not come on with light control switch ON	Illumination Circuit	Click here
	Radio Receiver Assembly	Click here