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.

Panel Switch Function
Symptom Suspected Area See page
Pressing power switch does not turn on system. Proceed to "Radio Receiver Power Source Circuit"

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Radio receiver assembly

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Panel switch does not function. Radio receiver assembly

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Radio receiver does not illuminate at night. Proceed to "Illumination Circuit"

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Radio receiver assembly

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General Audio Function
Symptom Suspected Area See page
No sound can be heard from speakers. (Audio is mute.) Proceed to "No Sound can be Heard from Speakers"

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Proceed to "Speaker Circuit"

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Radio receiver assembly

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

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Proceed to "Speaker Circuit"

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Radio receiver assembly

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ASL does not function. Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter"

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Abnormal noise occurs. Proceed to "Noise Occurs"

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Radio receiver assembly

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FM or AM Radio Function
Symptom Suspected Area See page
Radio broadcast cannot be received or poor reception. Proceed to "Radio Broadcast cannot be Received or Poor Reception"

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CD Player Function
Symptom Suspected Area See page
CD cannot be inserted/played or CD is ejected right after insertion. Proceed to "CD cannot be Inserted / Played or CD is Ejected Right After Insertion"

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CD cannot be ejected. Proceed to "CD cannot be Ejected"

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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)"

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CD sound skips. Proceed to "CD Sound Skips"

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AUX (Stereo Jack) Function
Symptom Suspected Area See page
External device sound cannot be heard or sound quality is bad. (Stereo jack is used.) Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"

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No. 1 stereo jack adapter assembly

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Radio receiver assembly

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

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No. 1 stereo jack adapter assembly

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Radio receiver assembly

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

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No. 1 stereo jack adapter assembly

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Radio receiver assembly

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

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No. 1 stereo jack adapter assembly

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Radio receiver assembly

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

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No. 1 stereo jack adapter assembly

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Radio receiver assembly

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"iPod" battery cannot be charged. Proceed to "USB Audio System Recognition/Play Error"

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No. 1 stereo jack adapter assembly

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Radio receiver assembly

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