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Home >> Infiniti >> 2015 >> QX70 AWD >> 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
B0091-11 B-PILLAR SAT SEN LH
[Left Side Restraints Sensor 1 ([Subfault)]		 [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
B0091-23 [LOWER LIMIT ERR] Lower limit value malfunction of B-pillar satellite sensor LH
  • Internal malfunction of B-pillar satellite sensor LH
  • Internal malfunction of air bag diagnosis sensor unit
B0091-24 [UPPER LIMIT ERR] Upper limit value malfunction of B-pillar satellite sensor LH
  • Internal malfunction of B-pillar satellite sensor LH
  • Internal malfunction of air bag diagnosis sensor unit
B0091-25 [SELF-DIAG ERR] Diagnosis malfunction of B-pillar satellite sensor LH
  • Internal malfunction of B-pillar satellite sensor LH
  • Internal malfunction of air bag diagnosis sensor unit
B0091-28 [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
B0091-81 [COMM ERR] Communication 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
B0091-86 [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
B0091-88 [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
B0091-93 [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
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