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Home >> Infiniti >> 2014 >> Q60 Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> SRS Airbag Control System (Convertible) >> DTC/Circuit Diagnosis >> DTC B1017, B1020, B1021: Occupant System Control Unit >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC Display contents of CONSULT DTC detecting condition Possible cause
B1017
B1020
B1021		 OCCUPANT SENS C/U [UNIT FAIL] Occupant Classification System control unit is malfunctioning
  • Disconnection of wiring harness
  • Malfunction in Occupant Classification System control unit
  • Malfunction in air bag diagnosis sensor unit
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