No Sound Output In Multiple Modes [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 SOUND OUTPUT IN MULTIPLE MODES (ENTERTAINMENT SYSTEM - WITH CENTER DISPLAY) - DESCRIPTION & POSSIBLE CAUSES
| Description |
NO SOUND OUTPUT IN MULTIPLE MODES |
| Radio, CD, AUX audio is output, but no Bluetooth ® audio, Internet radio, USB audio, and guidance voice |
| Possible Causes |
- Connector poor contact or terminal damage
- Open circuit in wiring harness between the following terminals:
- Connectivity master unit (CMU) terminal 1Y and tuner and amp unit (TAU) terminal 1Q
- CMU terminal 1Z and TAU terminal 1R
- CMU terminal 1AA and TAU terminal 1S
- CMU terminal 1AB and TAU terminal 1T
- Short to ground in wiring harness between the following terminals:
- CMU terminal 1Y and TAU terminal 1Q
- CMU terminal 1Z and TAU terminal 1R
- CMU terminal 1AA and TAU terminal 1S
- CMU terminal 1AB and TAU terminal 1T
- Short to power supply in wiring harness between the following terminals:
- CMU terminal 1Y and TAU terminal 1Q
- CMU terminal 1Z and TAU terminal 1R
- CMU terminal 1AA and TAU terminal 1S
- CMU terminal 1AB and TAU terminal 1T
- TAU malfunction
- CMU malfunction
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