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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Seat Belt Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Seat Belt Buckle Switch (Driver Side) >> Component Function Check
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Component Function Check

  1. CHECK SEAT BELT WARNING LAMP FUNCTION

    1. Turn ignition switch ON.
    2. Sits in the passenger seat.
    3. Fasten the seat belt (passenger side).
    4. Check seat belt warning lamp function.
      Condition Seat belt warning lamp
      Seat belt (driver side) is fastened Not illuminated
      Seat belt (driver side) is unfastened Illuminated

    Is the inspection results normal?

    YES 

    GO TO STEP 2  .

    NO 

    Check seat belt warning lamp circuit. Refer to DIAGNOSIS PROCEDURE .

  2. CHECK PRE-CRASH SEAT BELT CONTROL UNIT (DRIVER SIDE) FUNCTION

    G-20 With CONSULT

    When checking "BUCKLE SW LH" on DATA MONITOR screen, check that ON/OFF display changes synchronized with the insertion operation to the seat belt buckle.

    Monitor item Condition
    BUCKLE SW LH When driver side seat belt is not fastened: OFF
    When driver side seat belt is fastened: ON

    Is the inspection result normal?

    YES 

    Seat belt buckle switch (driver side) circuit is normal.

    NO 

    Check seat belt buckle switch (driver side). Refer to DIAGNOSIS PROCEDURE .

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