Problem Symptoms Table

HINT:

Use the table below to help determine the cause of the problem symptom 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.

Audio function

AUDIO FUNCTION PROBLEM SYMPTOMS CHART

Symptom	Suspected Area	Refer to
Pressing power switch does not turn on system	Radio receiver power source circuit	RADIO RECEIVER POWER SOURCE CIRCUIT
	AVC-LAN circuit	AVC-LAN CIRCUIT
	Replace radio receiver	-
Turning on light control switch does not activate nighttime illumination of radio receiver	Illumination for panel switch does not come on with tail switch on	ILLUMINATION FOR PANEL SWITCH DOES NOT COME ON WITH TAIL SWITCH ON
	Illumination circuit	ILLUMINATION CIRCUIT
	Replace radio receiver	-
No sound can be heard from speakers	No sound can be heard from speakers	NO SOUND CAN BE HEARD FROM SPEAKERS
	Speaker circuit	SPEAKER CIRCUIT
	Radio receiver power source circuit	RADIO RECEIVER POWER SOURCE CIRCUIT
	Stereo component amplifier power source circuit	STEREO COMPONENT AMPLIFIER POWER SOURCE CIRCUIT
	Replace stereo component amplifier	-
	Replace radio receiver	-
Poor sound quality in all modes (low volume)	Poor sound quality in all modes (Low volume)	POOR SOUND QUALITY IN ALL MODES (LOW VOLUME)
	Speaker circuit	SPEAKER CIRCUIT
	Sound signal circuit between radio receiver and stereo component amplifier	SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER
	Replace stereo component amplifier	-
	Replace radio receiver	-
ASL (Automatic Sound Levelizer) does not function	Vehicle speed signal circuit	VEHICLE SPEED SIGNAL CIRCUIT
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	SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO JACK ADAPTER
	Radio receiver power source circuit	RADIO RECEIVER POWER SOURCE CIRCUIT
	Replace stereo jack adapter	-
	Replace radio receiver	-
Noise occurs	Noise occurs	NOISE OCCURS
Radio broadcast cannot be received (bad reception)	Radio broadcast cannot be received (Bad reception)	RADIO BROADCAST CANNOT BE RECEIVED (BAD RECEPTION)
CD cannot be inserted or is ejected right after insertion	CD cannot be inserted or is ejected right after insertion	CD CANNOT BE INSERTED OR IS EJECTED RIGHT AFTER INSERTION
	Radio receiver power source circuit	RADIO RECEIVER POWER SOURCE CIRCUIT
	Replace radio receiver	-
CD cannot be ejected	CD cannot be ejected	CD CANNOT BE EJECTED
	Radio receiver power source circuit	RADIO RECEIVER POWER SOURCE CIRCUIT
	Replace radio receiver	-
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)	SOUND QUALITY IS BAD ONLY WHEN CD IS PLAYED (VOLUME IS TOO LOW)
CD sound skips	CD sound skips	CD SOUND SKIPS
Turning on light control switch does not activate nighttime illumination of radio receiver	Illumination for panel switch does not come on with tail switch on	ILLUMINATION FOR PANEL SWITCH DOES NOT COME ON WITH TAIL SWITCH ON
	Illumination circuit	ILLUMINATION CIRCUIT
	Replace steering pad switch	-
Audio system cannot be operated with steering pad switch	Steering pad switch circuit	STEERING PAD SWITCH CIRCUIT
Audio system cannot be operated with steering pad switch	Replace radio receiver	-

Steering pad switch function

STEERING PAD SWITCH FUNCTION PROBLEM SYMPTOMS CHART

Symptom	Suspected Area	Refer to
System cannot be operated by steering pad switch	Steering pad switch circuit	STEERING PAD SWITCH CIRCUIT
System cannot be operated by steering pad switch	Radio receiver	-
Illumination for steering pad switch does not come on with light control switch on	Illumination circuit	ILLUMINATION CIRCUIT
	Steering pad switch	-

Rear controller function

REAR CONTROLLER FUNCTION PROBLEM SYMPTOMS CHART

Symptom	Suspected Area	Refer to
System cannot be operated by rear controller	Rear controller power source circuit	-
	AVC-LAN circuit	AVC-LAN CIRCUIT
	Radio receiver	-