LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (On-Board Diagnostic - Advanced Keyless Entry System) >> DTC B10C9-1F: Keyless Antenna (Interior, Front) Circuit Malfunction >> Notes

DTC B10C9-1F: Keyless Antenna (Interior, Front) 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 (interior, front) circuit malfunction
Detection condition 
  • The start stop unit detects an open circuit in the keyless antenna (interior, front) or a short to ground with the ignition switched off.
Fail-safe 
  • Inhibits the door lock/unlock control using the advanced keyless entry system.
Possible cause 
  • Keyless antenna (interior, front) 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 K
    • Between LF control unit terminal M
  • Open circuit in wiring harness between the following terminals:
    • Between LF control unit terminal K
    • Between LF control unit terminal M
  • LF control unit malfunction
  • Keyless antenna (interior, front) malfunction
  • Start stop unit malfunction
G10938233