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Audio System Symptom Troubleshooting - USB input sound is low or cannot be heard
USB input sound is low or cannot be heard
NOTE:
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Check the USB device's volume settings. |
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Not all players and player functions work with the USB adapter. Please see the Owner's Manual for more information. Always test the customer's USB device in a known-good vehicle of the same year and trim (if possible). Technologies change and are updated frequently which may result that USB devices may work in newer vehicles, but not in older vehicles of the same model. |
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Check the connectors for poor connections or loose terminals. |
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1. |
Determine possible failure area (USB system, others):
Determine possible failure area (USB system, others)
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?1. |
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode. |
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Do all speakers make a sound?
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2. |
Problem verification:
Problem verification
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Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode. |
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?2. |
On the customer's vehicle, connect the customer's USB device to the USB port located in the center console. |
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Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode. |
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Turn on the audio unit, and press the AUX button to select the USB mode. |
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?5. |
Check if the USB device can be operated with the audio unit (Folders or Files UP/DOWN, etc.). | |
Can you operate the USB device, and is the sound normal?
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Intermittent failure, the USB device is OK at this time.? |
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NO: You can select USB device but sound is low or cannot be heard |
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The failure is duplicated, go to step 3. |
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NO: USB device does not work |
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3. |
USB device check:
USB device check
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?1. |
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode. |
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Connect the customer's USB device to a known-good vehicle (same year/trim) that is equipped with a USB adapter, and check the USB device operation. | |
Does the USB device work properly in the known-good vehicle?
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USB device is faulty or not compatible.? | | 