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Home >> Infiniti >> 2015 >> QX70 RWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> SRS Airbag Control System >> DTC/Circuit Diagnosis >> DTC B00A0: Occupant Detection System Control Unit >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC CONSULT Screen Items
(Trouble Diagnosis Content)
DTC Detecting Condition Possible Cause
B00A0-00 OCCUPANT SENS
[Occupant Classification System (Subfault)]
[ABNORMAL VOLTAGE] Power supply malfunction of occupant classification sensor
  • Connection malfunction or short circuit to power supply of harness or connector
  • Internal malfunction of occupant classification sensor
  • Internal malfunction of air bag diagnosis sensor unit
B00A0-02 [UNIT MALFUNC] Malfunction of occupant classification sensor
  • Connection malfunction of harness and connector
  • Internal malfunction of occupant classification sensor
  • Internal malfunction of air bag diagnosis sensor unit
B00A0-09 [UNIT MALFUNC]
B00A0-04 OCCUPANT SENS C/U
[Occupant Classification System (Subfault)]
[UNIT MALFUNC] Malfunction of occupant classification sensor control unit
  • Connection malfunction or open circuit of harness and connector
  • Internal malfunction of occupant classification sensor control unit
  • Internal malfunction of air bag diagnosis sensor unit
B00A0-83 [COMM ERR]
  • Communication malfunction of occupant classification sensor control unit
  • Communication blank of occupant classification sensor control unit
  • Connection malfunction or open circuit of harness and connector
  • Internal malfunction of occupant classification sensor control unit
  • Internal malfunction of air bag diagnosis sensor unit
B00A0-86 [COMM ERR]
B00A0-87 [COMM ERR]
B00A0-88 [COMM ERR]
B00A0-8F [UNDEFINED] Undefined status of occupant classification sensor control unit
  • Connection malfunction or open circuit of harness and connector
  • Internal malfunction of occupant classification sensor control unit
  • Internal malfunction of air bag diagnosis sensor unit
B00A0-93 [RESET] Reset malfunction of occupant classification sensor control unit
  • Connection malfunction of harness and connector
  • Internal malfunction of occupant classification sensor control unit
  • Internal malfunction of air bag diagnosis sensor unit