DTC B11FD-1F: Keyless Antenna (Exterior, LF) Circuit Malfunction: Notes
WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
| System malfunction location |
Keyless antenna (exterior, LF) circuit malfunction |
| Detection condition |
- The start stop unit detects an open circuit in the keyless antenna (exterior, LF) or a short to ground with the ignition switched off.
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| Fail-safe |
- Inhibits the door lock/unlock using the advanced keyless entry system.
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| Possible cause |
- Front outer handle (LH) connector or terminal malfunction
- LF control unit connector or terminal malfunction
- Short to ground in wiring harness between the following terminals:
- Between LF control unit terminal O
- Between LF control unit terminal Q
- Open circuit in wiring harness between the following terminals:
- Between LF control unit terminal O
- Between LF control unit terminal Q
- LF control unit malfunction
- Keyless antenna (exterior, LF) malfunction
- Start stop unit malfunction
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