LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2018 >> QX30 Essential, AWD >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> SRS Airbag Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B00A0: Occupant Classification System Control Unit >> Diagnosis Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis Procedure

WARNING:
  • Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3 minutes or more. (To discharge backup capacitor.)
  • Never use unspecified tester or other measuring device.
  1. PERFORM ZERO POINT RESET 
    1. Perform zero point reset. Refer to Description .
    2. Perform DTC confirmation procedure. Refer to DTC Description .

    Is DTC detected?

    YES

    GO TO 2.

    NO

    INSPECTION END

  2. REPLACE OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT 
    1. Replace seat cushion assembly. Refer to Removal and Installation .
    2. Perform DTC confirmation procedure. Refer to DTC Description .

    Is DTC detected?

    YES

    GO TO 3.

    NO

    INSPECTION END

  3. 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 Description .

    Is DTC detected?

    YES

    GO TO 1.

    NO

    INSPECTION END