DTC B116A-11; Microphone Circuit Malfunction: 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.
DETECTION CONDITION & POSSIBLE CAUSE
| Description |
Microphone circuit malfunction |
| Detection condition |
- The connectivity master unit detected a short to ground in the microphone circuit for 5 s or more with the ignition switched ON (engine off or on).
|
| Fail-safe function |
Not applicable |
| Possible cause |
- Microphone connector or terminal malfunction
- Connectivity master unit connector or terminal malfunction
- Short to ground in wiring harness between the following terminals:
- Connectivity master unit terminal 1S and microphone terminal A
- Connectivity master unit terminal 1T and microphone terminal B
- Microphone malfunction
- Connectivity master unit malfunction
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