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Occupant Classification System

Fig 1: Occupant Classification - System Diagram
G08686590Courtesy of NISSAN NORTH AMERICA, INC.

Occupant Classification System has the following functions.

  1. Suppresses the deployment of passenger air bag when passenger seat is empty, or when occupied by child and child-seat.
  2. Indicates malfunction portion with blinking times of air bag warning lamp in diagnosis mode.
  3. Indicates the malfunctioning record by CONSULT.
  4. When "Zero point reset" for occupant detection system is incomplete, CONSULT indicates that "Zero point reset" is incomplete.
NOTE:
  • Operation of air bag diagnosis sensor unit when air bag diagnosis sensor unit receives information from Occupant Classification 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.
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