AUDIO AND VISUAL SYSTEM > PROBLEM SYMPTOMS TABLE

for Preparation Click here

Before performing verification listed in the table below, check the fuse and relay.
Before performing verification listed in the table below, check the 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.	1. "Pressing Power Switch does not Turn on System"	Click here
	2. Radio receiver power source circuit	Click here
	3. AVC-LAN circuit	Click here
	4. Replace radio receiver	Click here
Panel switch does not function.	1. Steering pad switch circuit	Click here
	2. AVC-LAN circuit	Click here
	3. Replace radio receiver	Click here
No sound can be heard from speakers (audio is mute).	1. Radio receiver power source circuit	Click here
	2. "No Sound can be Heard from Speakers (Audio is Mute)"	Click here
	3. Stereo component amplifier power source circuit	Click here
	4. Sound signal circuit between radio receiver and stereo component amplifier	Click here
	5. Speaker circuit	Click here
	6. Mute signal circuit between radio receiver and stereo component amplifier	Click here
	7. Mute signal circuit between navigation ECU and stereo component amplifier	Click here
	8. Replace stereo component amplifier	Click here
	9. Replace radio receiver	Click here
Sound cannot be heard only from front speaker (driver side). (Volume is too low.) (Only with navigation system)	1. Driver side speaker circuit	Click here
	2. Sound signal circuit between radio receiver and stereo component amplifier	Click here
	3. Replace stereo component amplifier	Click here
	4. Replace radio receiver	Click here
Sound quality is bad in all modes. (Volume is too low.)	1. "Poor Sound Quality in All Modes (Low Volume)"	Click here
	2. Speaker circuit	Click here
	3. Sound signal circuit between radio receiver and stereo component amplifier	Click here
	4. Mute signal circuit between radio receiver and stereo component amplifier	Click here
	5. Mute signal circuit between navigation ECU and stereo component amplifier (*1)	Click here
	6. Replace stereo component amplifier	Click here
	7. Replace radio receiver	Click here
ASL does not function.	1. Vehicle speed signal circuit between stereo component amplifier and combination meter	Click here
Abnormal noise occurs.	1. "Noise occurs"	Click here
	2. Replace stereo component amplifier	Click here
	3. Replace radio receiver	Click here
Radio broadcast cannot be received (poor reception).	1. "Radio Broadcast cannot be Received (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. "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. "CD cannot be Ejected"	Click here
Sound quality is bad only when playing CD. (Volume is too low.)	1. "Sound Quality is Bad Only when CD is Played (Volume is Too Low)"	Click here
CD sound skips.	1. "CD Sound Skips"	Click here
Cassette tape cannot be inserted or played.	1. Radio receiver power source circuit	Click here
Cassette tape cannot be inserted or played.	2. "Cassette Tape cannot be Inserted or Played"	Click here
Cassette tape cannot be ejected.	1. Radio receiver power source circuit	Click here
Cassette tape cannot be ejected.	2. "Cassette Tape cannot be Ejected"	Click here
Sound quality is bad only when playing tape.	1. "Sound Quality is Bad Only when Playing Tape"	Click here
Tape is tangled due to incorrect tape speed or auto-reverse malfunction.	1. "Tape is Tangled due to Incorrect Tape Speed or Auto-Reverse Malfunction"	Click here
Radio receiver cannot be dimmed in night time.	1. Dimmer signal circuit	Click here
Radio receiver cannot be dimmed in night time.	2. Replace radio receiver	Click here
Radio receiver cannot be illuminated in night time.	1. Illumination circuit	Click here
Radio receiver cannot be illuminated in night time.	2. Replace radio receiver	Click here

*1: With Navigation System

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. Replace radio receiver	Click here