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Home >> Infiniti >> 2013 >> FX50 >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> SRS Airbag Control System >> DTC/Circuit Diagnosis >> DTC B0091: Satellite Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC CONSULT screen items (Trouble diagnosis content) DTC detecting condition Possible cause
B0091 B-PILLAR SAT SEN LH [Left Side Restraints Sensor 1 (Subfault)] [RESET] Reset malfunction of B-pillar satellite sensor LH
  • Connection malfunction of harness or connector
  • Internal malfunction of B-pillar satellite sensor LH
  • Internal malfunction of air bag diagnosis sensor unit
[COMM ERR] Communication malfunction of B-pillar satellite sensor LH
[OPEN] B-pillar satellite sensor LH circuit is open
  • Connection malfunction or open circuit of harness and connector
  • Internal malfunction of B-pillar satellite sensor LH
  • Internal malfunction of air bag diagnosis sensor unit
[UNMATCH] B-pillar satellite sensor LH is out of the specified specification Air bag diagnosis sensor unit and B-pillar satellite sensor LH is different from the part specified
[OFFSET ERR] Offset malfunction of B-pillar satellite sensor LH
  • Internal malfunction of B-pillar satellite sensor LH
  • Internal malfunction of air bag diagnosis sensor unit
[SELF-DIAG ERR] Diagnosis malfunction of B-pillar satellite sensor LH
[LOWER LIMIT ERR] Lower limit value malfunction of B-pillar satellite sensor LH
[UPPER LIMIT ERR] Upper limit value malfunction of B-pillar satellite sensor LH
[GND-SHORT] B-pillar satellite sensor LH circuit is shorted to ground
  • Connection malfunction or short circuit to ground of harness and connector
  • Internal malfunction of B-pillar satellite sensor LH
  • Internal malfunction of air bag diagnosis sensor unit