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Home >> Infiniti >> 2009 >> FX50 >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> SRS Airbag Control System >> Function Diagnosis >> Occupant Detection System >> System Description
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System Description

This Occupant Detection System has the following functions.

  1. Suppress the deployment of front passenger air bag when front passenger seat is empty, or when occupied by child and child-seat. Turns ON front passenger air bag OFF indicator when front passenger seat is occupied by child-seat and child.
  2. Indicates malfunction portion with blinking times of air bag warning lamp in diagnosis mode.
  3. Indicates the malfunctioning record by CONSULT-III.
  4. When "zero point reset" for occupant detection system is incomplete, air bag warning lamp or CONSULT-III indicates that "zero point reset" is incomplete.

    This function is applied to NISSAN genuine parts only.

    NOTE:
    • Operation of air bag diagnosis sensor unit when air bag diagnosis sensor unit receives information from Occupant Detection System.
    • Even if zero point reset is "complete", always perform zero point reset after the removal and installation of seat or the removal of control unit harness connector.
    SEAT BELT WARNING LAMP ON AND OFF POSITION CHART

    Status (front passenger seat) Passenger air bag Front passenger air bag OFF indicator Air bag warning lamp Seat belt warning lamp (when front passenger seat is unbuckled)
    Empty Suppress OFF OFF OFF
    An object Suppress ON OFF OFF
    Child/child-seat Suppress ON OFF ON
    Adult Enable to deploy OFF OFF ON
    Malfunction Suppress ON Blinking OFF
    Zero point reset Not yet performed (NISSAN genuine parts only) Suppress ON Blinking OFF