DTC B1252-09; Auxiliary Jack/USB Port/SD Card Slot Hub 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 |
Auxiliary jack/USB port/SD card slot hub circuit malfunction |
| Detection condition |
- With the ignition switched ON (engine off or on), the connectivity master unit detects a voltage value for the auxiliary jack/USB port/SD card slot hub circuit of within 4.8 V or exceeding 5.2 V.
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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
- Short to ground in wiring harness between connectivity master unit terminal 4C and auxiliary jack/USB port/SD card slot hub terminal 2C
- Short to power supply in wiring harness between connectivity master unit terminal 4C and auxiliary jack/USB port/SD card slot hub terminal 2C
- Open circuit in wiring harness between connectivity master unit terminal 4C and auxiliary jack/USB port/SD card slot hub terminal 2C
- Auxiliary jack/USB port/SD card slot hub malfunction
- Connectivity master unit malfunction
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