No USB Audio Sound Output [Entertainment System [With Center Display]]: Notes
WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
NO USB AUDIO SOUND OUTPUT (ENTERTAINMENT SYSTEM - WITH CENTER DISPLAY) - DESCRIPTION & POSSIBLE CAUSES
| Description |
NO USB AUDIO SOUND OUTPUT |
| Radio, CD, AUX audio, Bluetooth ® audio, Internet radio, and guidance audio is output, but not USB audio |
| Possible Causes |
- USB media malfunction
- Connector poor contact or terminal damage
- Open circuit in wiring harness between the following terminals:
- Connectivity master unit (CMU) terminal 4A and auxiliary jack/USB port/SD card slot hub terminal 2A
- Short to ground in wiring harness between the following terminals:
- CMU terminal 4B and auxiliary jack/USB port/SD card slot hub terminal 2B
- CMU terminal 4D and auxiliary jack/USB port/SD card slot hub terminal 2D
- Short to power supply in wiring harness between the following terminals:
- CMU terminal 4A and auxiliary jack/USB port/SD card slot hub terminal 2A
- CMU terminal 4B and auxiliary jack/USB port/SD card slot hub terminal 2B
- CMU terminal 4D and auxiliary jack/USB port/SD card slot hub terminal 2D
- Auxiliary jack/USB port/SD card slot hub malfunction
- CMU malfunction
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