LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2023 >> MX-5 Miata Club >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> On-Board Diagnostic - Start Stop Unit >> DTC B10C9-1F: Keyless Antenna (Interior, Front) Circuit Malfunction [Start Stop Unit] >> With Keyless Entry System

With Keyless Entry System

DTC B10C9:1F (START STOP UNIT) DETECTION CONDITION AND POSSIBLE CAUSE - WITH KEYLESS ENTRY SYSTEM

Description Keyless antenna (interior, front) circuit malfunction
Detection condition
  • Start stop unit detects an open circuit or short to ground in the keyless antenna (interior, front) with the ignition switched off.
Fail-safe Not applicable
Possible cause
  • Keyless antenna (interior, front) connector or terminal malfunction
  • Start stop unit connector or terminal malfunction
  • Short to ground in wiring harness between the following terminals:
    • Start stop unit terminal 2I-Keyless antenna (interior, front) terminal B
    • Start stop unit terminal 2K-Keyless antenna (interior, front) terminal A
  • Open circuit in wiring harness between the following terminals:
    • Start stop unit terminal 2I-Keyless antenna (interior, front) terminal B
    • Start stop unit terminal 2K-Keyless antenna (interior, front) terminal A
  • Keyless antenna (interior, front) malfunction
  • Start stop unit malfunction
G15747495Courtesy of MAZDA MOTORS CORP.