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Home >> Infiniti >> 2014 >> QX50 Journey, AWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> SRS Airbag Control System >> DTC/Circuit Diagnosis >> DTC B00A0: Occupant Classification System Control Unit >> Diagnosis Procedure >> Diagnostic Procedure
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Diagnostic Procedure

  1. CHECK HARNESS CONNECTOR 

    Check the connection of harness connector.

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Replace harness connectors.

  2. CHECK WIRING HARNESS 

    Check the wiring harness externals.

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Replace wiring harness.

  3. REPLACE OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT 
    1. Replace occupant classification system. Refer to "REMOVAL AND INSTALLATION ".
    2. Perform DTC confirmation procedure. Refer to "DTC LOGIC ".

      Is DTC detected? 

      YES: GO TO 4.

      NO: INSPECTION END

  4. REPLACE OCCUPANT CLASSIFICATION SYSTEM SEAT SENSOR 
    1. Replace seat cushion frame. Refer to "REMOVAL AND INSTALLATION ".
    2. Perform DTC confirmation procedure. Refer to "DTC LOGIC ".

      Is DTC detected? 

      YES: GO TO 5.

      NO: INSPECTION END

  5. REPLACE AIR BAG DIAGNOSIS SENSOR UNIT 
    1. Replace air bag diagnosis sensor unit. Refer to "REMOVAL AND INSTALLATION ".
    2. Perform DTC confirmation procedure. Refer to "DTC LOGIC ".

      Is DTC detected? 

      YES: GO TO  1.

      NO: INSPECTION END