DTC B11D3-15: Blind Spot Monitoring Warning Light Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

When replacing a blind spot monitoring (BSM) control module (RH) having any of the following part numbers, it is necessary to replace the blind spot monitoring (BSM) control module (LH) at the same time to perform the configuration normally.
- DB2R-67Y80
- DB2R-67Y80 A

Description	Blind spot monitoring (BSM) warning light (LH) circuit malfunction
Detection condition	Blind spot monitoring (BSM) control module (RH) detects an open circuit or short to power supply in the blind spot monitoring (BSM) warning light (LH) circuit with the ignition switched ON (engine off or on).
Fail-safe	Blind spot monitoring (BSM) system is stopped.
Possible cause	Power outer mirror (LH) connector or terminal malfunction Open circuit in wiring harness between power outer mirror (LH) terminal G and body ground Blind spot monitoring (BSM) warning light (RH) malfunction Blind spot monitoring (BSM) control module (RH) connector or terminal malfunction Short to power supply in wiring harness between blind spot monitoring (BSM) control module (RH) terminal E and power outer mirror (LH) terminal D Open circuit in wiring harness between blind spot monitoring (BSM) control module (RH) terminal E and power outer mirror (LH) terminal D Blind spot monitoring (BSM) control module (RH) malfunction
Courtesy of MAZDA MOTORS CORP.