Audio Visual. Audio And Visual System Problem Symptoms Table

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20

Audio Visual. Lexus Is250, Is220D. Gse20 Ale20

Audio And Visual System -- Problem Symptoms Table

HINT:

Before inspecting the suspected areas listed in the table below, check the fuse and relay.
Before inspecting the suspected areas listed in the table below, check for DTCs.
Methods used to verify the cause of the problem are listed in order of probability in the suspected area column.

Audio Function:
Symptom	Suspected area	See page
Pressing power switch does not turn on system. (without navigation system)	1. Proceed to "Pressing Power Switch does not Turn on System"	Click here
	2. Radio receiver power source circuit	Click here
	3. Integration control & panel assembly power source circuit	Click here
	4. AVC-LAN circuit	Click here
	5. Radio receiver	Click here
	6. Integration control & panel assembly	Click here
Pressing power switch does not turn on system. (with navigation system)	1. Proceed to "Pressing Power Switch does not Turn on System"	Click here
	2. Radio receiver power source circuit	Click here
	3. Multi-display power source circuit	Click here
	4. AVC-LAN circuit	Click here
	5. Radio receiver	Click here
	6. Multi-display	Click here
Panel switch does not function.	1. Steering pad switch circuit	Click here
	2. AVC-LAN circuit	Click here
	3. Radio receiver	Click here
No sound can be heard from speakers (audio is mute). (without navigation system)	1. AVC-LAN circuit	Click here
	2. Radio receiver power source circuit	Click here
	3. Integration control & panel assembly power source circuit	Click here
	4. Proceed to "No Sound can be Heard from Speakers"	Click here
	5. Stereo component amplifier power source circuit	Click here
	6. Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"	Click here
	7. Speaker circuit	Click here
	8. Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"	Click here
	9. Stereo component amplifier	Click here
	10. Radio receiver	Click here
	11. Integration control & panel assembly	Click here
No sound can be heard from speakers (audio is mute). (with navigation system)	1. AVC-LAN circuit	Click here
	2. Radio receiver power source circuit	Click here
	3. Multi-display power source circuit	Click here
	4. Proceed to "No Sound can be Heard from Speakers"	Click here
	5. Stereo component amplifier power source circuit	Click here
	6. Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"	Click here
	7. Speaker circuit	Click here
	8. Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"	Click here
	9. Stereo component amplifier	Click here
	10. Radio receiver	Click here
	11. Multi-display	Click here
Only DVD sound cannot be heard or sound quality is bad. (with DVD Changer)	1. Proceed to "DVD Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"	Click here
	2. Stereo component amplifier	Click here
	3. Radio receiver	Click here
Sound quality is bad in all modes (Volume is too low.)	1. Proceed to "Poor Sound Quality in All Modes (Low Volume)"	Click here
	2. Speaker circuit.	Click here
	3. Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"	Click here
	4. Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"	Click here
	5. Stereo component amplifier	Click here
	6. Radio receiver	Click here
ASL does not function.	Proceed to "Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter"	Click here
External device sound cannot be heard or sound quality is bad. (Stereo jack is used.)	1. Radio receiver power source circuit	Click here
	2. Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"	Click here
	3. Stereo jack adapter	Click here
	4. Radio receiver	Click here
Abnormal noise occurs.	1. Proceed to "Noise occurs"	Click here
	2. Stereo component amplifier	Click here
	3. Radio receiver	Click here
Radio broadcast cannot be received or poor reception.	Proceed to "Radio Broadcast cannot be Received or Poor Reception"	Click here
CD cannot be inserted/played or CD is ejected right after insertion.	1. Radio receiver power source circuit	Click here
	2. Proceed to "CD cannot be Inserted/Played or CD is Ejected Right After Insertion"	Click here
CD cannot be ejected.	1. Radio receiver power source circuit	Click here
CD cannot be ejected.	2. Proceed to "CD cannot be Ejected"	Click here
Sound quality is bad only when CD is played. (Volume is too low.)	Proceed to "Sound Quality is Bad Only when CD is Played (Volume is Too Low)"	Click here
CD sound skips.	Proceed to "CD Sound Skips"	Click here
Radio receiver or integration control & panel assembly cannot be illuminated at night.	Illumination circuit	Click here

Steering Pad Switch Function:
Symptom	Suspected area	See page
Audio system cannot be operated with steering pad switch.	1. Steering pad switch circuit	Click here
Audio system cannot be operated with steering pad switch.	2. Radio receiver	Click here
Steering pad switch cannot be illuminated at night.	Illumination circuit	Click here