AUDIO AND VISUAL SYSTEM (for Radio Receiver Type) 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
Pressing power switch does not turn on system Proceed to "Pressing Power Switch does not Turn on System"

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Proceed to "Radio Receiver Power Source Circuit"

Click here

Radio receiver assembly

Click here

Panel switch does not function Proceed to "Steering Pad Switch Circuit"

Click here

Radio receiver assembly

Click here

No sound can be heard from speakers (audio is mute) Proceed to "Radio Receiver Power Source Circuit"

Click here

Proceed to "No Sound can be Heard from Speakers"

Click here

Proceed to "Speaker Circuit"

Click here

Radio receiver assembly

Click here

Sound quality is bad in all modes (volume is too low) Proceed to "Poor Sound Quality in All Modes (Low Volume)"

Click here

Proceed to "Speaker Circuit"

Click here

Radio receiver assembly

Click here

ASL does not function Proceed to "Speed Signal Circuit"

Click here

External device sound cannot be heard or sound quality is bad (stereo jack is used) Proceed to "Radio Receiver Power Source Circuit"

Click here

Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"

Click here

No. 1 stereo jack adapter assembly

Click here

Radio receiver assembly

Click here

Abnormal noise occurs Proceed to "Noise Occurs"

Click here

Radio receiver assembly

Click here

Radio broadcast cannot be received or poor reception Proceed to "Radio Broadcast cannot be Received (Bad Reception)"

Click here

CD cannot be inserted/played or CD is ejected right after insertion Proceed to "Radio Receiver Power Source Circuit"

Click here

Proceed to "CD cannot be Inserted/ Played or CD is Ejected Right After Insertion"

Click here

CD cannot be ejected Proceed to "Radio Receiver Power Source Circuit"

Click here

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 cannot be illuminated at night Proceed to "Illumination Circuit"

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 Proceed to "Steering Pad Switch Circuit"

Click here

Radio receiver assembly

Click here

Steering pad switch cannot be illuminated at night Proceed to "Illumination Circuit"

Click here

Radio receiver assembly

Click here

AUX Function
Symptom Suspected Area See page
External device sound cannot be heard or sound quality is bad (No. 1 stereo jack adapter assembly is used) Proceed to "Radio Receiver Power Source Circuit"

Click here

Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"

Click here

No. 1 stereo jack adapter assembly

Click here

Radio receiver assembly

Click here

"AUX" is not displayed on system check mode screen Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"

Click here

No. 1 stereo jack adapter assembly

Click here

Radio receiver assembly

Click here

USB Audio System Function
Symptom Suspected Area See page
USB audio system sound cannot be heard or sound quality is bad. (USB connector is used.) Proceed to "Data Signal Circuit between Radio Receiver and Stereo Jack Adapter"

Click here

Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"

Click here

No. 1 stereo jack adapter assembly

Click here

Radio receiver assembly

Click here

USB device or "iPod" is not recognized Proceed to "USB Audio System Recognition/Play Error"

Click here

Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"

Click here

No. 1 stereo jack adapter assembly

Click here

Radio receiver assembly

Click here

Track information, such as track, artist and album names, is not displayed Proceed to "USB Audio System Recognition/Play Error"

Click here

Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"

Click here

No. 1 stereo jack adapter assembly

Click here

Radio receiver assembly

Click here

USB device or "iPod" is recognized but cannot play, or can play but not in a sorted order Proceed to "USB Audio System Recognition/Play Error"

Click here

Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"

Click here

No. 1 stereo jack adapter assembly

Click here

Radio receiver assembly

Click here