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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (SRS Airbag Control System (DTC/Circuit Diagnosis) (Except Hybrid)) >> DTC/Circuit Diagnosis >> DTC B00A0: Occupant Classification System Control Unit >> Diagnosis Procedure (B00A0-93)

Diagnosis Procedure (B00A0-93)

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

  1. PERFORM ZERO POINT RESET

    1. Perform zero point reset. Refer to DESCRIPTION .
    2. Turn ignition switch ON.
    3. Check for DTC using CONSULT.

    Is DTC still current?

    YES 

    GO TO STEP 2. 

    NO 

    Clear DTC. Inspection End.

  2. HARNESS CONNECTOR

    Visually inspect all applicable harness connectors for the following:

    • Visible damage to connector or terminal
    • Loose terminal
    • Poor connection
      NOTE:

      All harness connectors should be inspected from the air bag diagnosis unit to the end component (including any in-line connectors)

    Is the inspection result normal?

    YES 

    GO TO STEP 4. 

    NO 

    Perform the following repairs. Then, GO TO 3.

    • Visible damage: Replace the harness.
    • Loose terminal: Secure the terminal.
    • Poor connection: Secure the connection.

  3. CONFIRM DTC

    1. Reconnect all harness connectors.
    2. Turn ignition switch ON.
    3. Check for DTC using CONSULT.

    Is DTC still current?

    YES 

    GO TO STEP 4. 

    NO 

    Clear DTC and perform zero point reset. Refer to DESCRIPTION .

  4. REPLACE OCS CONTROL UNIT

    1. Replace the OCS control unit. Refer to REMOVAL AND INSTALLATION .
    2. Turn ignition switch ON.
    3. Check for DTC using CONSULT.

    Is DTC still current?

    YES 

    GO TO STEP 5. 

    NO 

    Clear DTC and perform zero point reset. Refer to DESCRIPTION .

  5. AIR BAG DIAGNOSIS SENSOR UNIT

    1. Replace the air bag diagnosis sensor unit. Refer to REMOVAL AND INSTALLATION .
    2. Turn ignition switch ON.
    3. Check for DTC using CONSULT.

    Is DTC still current?

    YES 

    GO TO STEP 6. 

    NO 

    Clear DTC and perform zero point reset. Refer to DESCRIPTION .

  6. RELATED HARNESS

    1. Replace the related harnesses (OCS sensors to OCS control unit, OCS control unit to seat, seat to main harness, main harness to air bag diagnosis sensor unit)
    2. Turn ignition switch ON.
    3. Check for DTC using CONSULT.

    Is DTC still current?

    YES 

    GO TO STEP 7. 

    NO 

    Clear DTC and perform zero point reset. Refer to DESCRIPTION .

  7. REPLACE OCS SENSORS

    1. Replace the OCS sensors. Refer to REMOVAL AND INSTALLATION .
    2. Turn ignition switch ON.
    3. Check for DTC using CONSULT.

    Is DTC still current?

    YES 

    GO TO STEP 8. 

    NO 

    Clear DTC and perform zero point reset. Refer to DESCRIPTION .

  8. REPLACE PASSENGER SEAT CUSHION FRAME

    1. Replace the passenger seat cushion frame. Refer to SEAT CUSHION .
    2. Clear DTC and perform zero point reset. Refer to DESCRIPTION .

    Inspection End.

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