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Home >> Infiniti >> 2008 >> QX56 RWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> SRS Airbag Control System >> Component Diagnosis >> DTC B1017 - B1022: Occupant Classification System >> DTC Logic >> DTC Detection Logic >> With CONSULT-III
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With CONSULT-III

DTC DETECTING CONDITION CHART

CONSULT-III name DTC DTC detecting condition Repair order
OCCUPANT SENS C/U [UNIT FAIL] B1017 The OCS control unit is malfunctioning.
  1. Replace the RH front seat cushion assembly. Do not disassemble the seat cushion assembly.
B1020
B1021
OCCUPANT SENS [UNIT FAIL] B1018 The OCS sensor is malfunctioning.
BELT TENSION SENS [UNIT FAIL] B1019 The belt tension sensor is malfunctioning.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the RH front seat belt assembly.
  4. Replace the RH front seat cushion assembly. Do not disassemble the seat cushion assembly.
  5. Replace the related harness.
OCCUPANT SENS C/U [COMM FAIL] B1022 Communication between the OCS control unit and the air bag diagnosis sensor unit is interrupted.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the RH front seat cushion assembly. Do not disassemble the seat cushion assembly.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
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