With Advanced Keyless Entry System: Notes
DTC B10C9:1F [START STOP UNIT] DETECTION CONDITION AND POSSIBLE CAUSE
| 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) circuit with the ignition switched off.
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| Fail-safe |
- Inhibits the door lock/unlock control using the advanced keyless entry system.
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| 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:
- LF control unit terminal K-Keyless antenna (interior, front) terminal B
- LF control unit terminal M-Keyless antenna (interior, front) terminal A
- Open circuit in wiring harness between the following terminals:
- LF control unit terminal K-Keyless antenna (interior, front) terminal B
- LF control unit terminal M-Keyless antenna (interior, front) terminal A
- Keyless antenna (interior, front) malfunction
- LF control unit malfunction
- Start stop unit malfunction
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 Courtesy of MAZDA MOTORS CORP.
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