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DTC B118D-15: Warning Light (RH) Circuit Malfunction [Blind Spot Monitoring (BSM) Control Module]: Notes

DTC B118D:15 [BLIND SPOT MONITORING (BSM) CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

Description Blind spot monitoring (BSM) warning light (RH) circuit malfunction
Detection condition
  • Blind spot monitoring (BSM) control module (RH) performs measurement at 0.01 s intervals and a short circuit to power supply or open circuit in the blind spot monitoring (BSM) warning light (RH) circuit is detected 48 times continuously.
Fail-safe
  • Blind spot monitoring (BSM) system is stopped.
Possible cause
  • Power outer mirror (RH) connector or terminal malfunction
  • Open circuit in wiring harness between power outer mirror (RH) 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 G and power outer mirror (RH) terminal D
  • Open circuit in wiring harness between blind spot monitoring (BSM) control module (RH) terminal G and power outer mirror (RH) terminal D
  • Blind spot monitoring (BSM) control module (RH) malfunction
G13702971Courtesy of MAZDA MOTORS CORP.