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Home >> Infiniti >> 2015 >> Q60 Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> SRS Airbag Control System (Convertible) >> DTC/Circuit Diagnosis >> DTC B1022: Occupant 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 STEP 2  .

    NO 

    Replace harness connectors.

  2. CHECK WIRING HARNESS

    Check the wiring harness externals.

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Replace wiring harness.

  3. CHECK OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT

    1. Replace passenger seat cushion assembly. Refer to EXPLODED VIEW .
    2. Perform DTC confirmation procedure. Refer to DTC LOGIC .

    Is DTC detected?

    YES 

    GO TO STEP 4  .

    NO 

    INSPECTION END

  4. REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

    1. Replace air bag diagnosis sensor unit. Refer to EXPLODED VIEW .
    2. Perform DTC confirmation procedure. Refer to DTC LOGIC .

    Is DTC detected?

    YES 

    GO TO STEP 1  .

    NO 

    INSPECTION END