DTC B1252-87; Communication Error With Auxiliary Jack/USB Port/SD Card Slot Hub: 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 |
Communication error with auxiliary jack/USB port/SD card slot hub |
| Detection condition |
- With the ignition switched ON (engine off or on), the connectivity master unit cannot receive a signal from the auxiliary jack/USB port/SD card slot hub.
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| Fail-safe function |
Not applicable |
| Possible cause |
- Auxiliary jack/USB port/SD card slot hub connector or terminal malfunction
- Connectivity master unit connector or terminal malfunction
- Open circuit in wiring harness between the following terminals:
- Connectivity master unit terminal 4B and auxiliary jack/USB port/SD card slot hub terminal 2B
- Connectivity master unit terminal 4D and auxiliary jack/USB port/SD card slot hub terminal 2D
- Software error
- Auxiliary jack/USB port/SD card slot hub malfunction
- Connectivity master unit malfunction
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