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Home › Infiniti › 2009 › EX35 Base, AWD › Repair and Diagnosis › Restraints › Restraints Control Systems › SRS Airbag Control System › Component Diagnosis › DTC B1017, B1020, B1021: Occupant System Control Unit › DTC Logic › DTC Detection Logic

DTC Detection Logic

DTC DETECTING CONDITION CHART

DTC Display contents of CONSULT-III 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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