DTC B11F2-23: Blind Spot Monitoring (BSM) Switch/Blind Spot Monitoring (BSM) Off Switch Circuit Malfunction (Blind Spot Monitoring System): Notes
DTC B11 F2:23 (BLIND SPOT MONITORING SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
Blind spot monitoring (BSM) switch/blind spot monitoring (BSM) OFF switch circuit malfunction |
| Detection condition |
- Blind spot monitoring (BSM) control module (LH) receives the blind spot monitoring (BSM) switch/blind spot monitoring (BSM) OFF switch ON signal from the instrument cluster for 2 min or more with the ignition switched ON (engine off or on).
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| Fail-safe |
- Blind spot monitoring (BSM) system is stopped.
|
| Possible cause |
- DTCs are stored in the instrument cluster.
- Cluster switch connector or terminal malfunction
- Blind spot monitoring (BSM) switch/blind spot monitoring (BSM) switch malfunction
- Instrument cluster connector or terminal malfunction
- Short to ground in wiring harness between the following terminals:
- Instrument cluster terminal 1V-Cluster switch terminal B
- Instrument cluster terminal 1A-Cluster switch terminal C
- Instrument cluster malfunction
- Blind spot monitoring (BSM) control module (LH) malfunction
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 Courtesy of MAZDA MOTORS CORP.
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*1: With blind spot monitoring (BSM) switch
*2: With blind spot monitoring (BSM) OFF switch