No Sound Output In Multiple Modes (Entertainment System): Notes
WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
NO SOUND OUTPUT IN MULTIPLE MODES (ENTERTAINMENT SYSTEM) DESCRIPTION AND POSSIBLE CAUSE
| Description |
NO SOUND OUTPUT IN MULTIPLE MODES |
| Radio, 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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| System Wiring Diagram |
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