Nissan Maxima Service and Repair Manual: Occupant classification system

System Diagram

Nissan Maxima. System Diagram

Occupant Classification System (OCS)

Nissan Maxima. Occupant Classification System (OCS)

The occupant classification system (OCS) identifies if a child or child
seat is present in the front passenger seat. The OCS receives inputs
from the occupant classification sensor mat (1) which is located
inside the passenger seat cushion assembly. Depending on classification
of the passenger, the OCS control unit (2) sends a signal to
the air bag diagnosis sensor unit. The air bag diagnosis sensor unit
uses this signal and the seat belt buckle switch RH signal to determine
deployment or non-deployment of the front passenger air bag
module in the event of a collision. Depending on the signals
received, the air bag diagnosis sensor unit can disable the front passenger
air bag module completely.
NOTE:
In case of customer concern, CONSULT can be used to confirm the front passenger air bag status (readiness).

Front Passenger Air Bag Status Conditions

Nissan Maxima. Front Passenger Air Bag Status Conditions

NOTE:
Passenger does not meet Occupant Classification System specifications for passenger air bag activation.

    SRS air bag system
    SRS Configuration The air bag deploys if the air bag diagnosis sensor unit is activated while the ignition switch is in the ON orSTART position.The collision modes for which supplemental restra ...

    Passenger seat belt warning system
    System Diagram System Description The seat belt warning lamp (1) will remind the driver if the driver or front passenger seat belt should be buckled. The system works inconjunction with the o ...

    Other materials:

    Steering wheel
    Removal and Installation REMOVAL NOTE: When removing spiral cable, use tape so that the case and rotating part keep aligned. This will prevent neutral position alignment procedure during spiral cable installation. Set steering wheel to the straight-ahead position. Remove driver air bag m ...

    Blower motor
    Description COMPONENT DESCRIPTION Brush-less Motor The blower motor utilizes a brush-less motor with a rotating magnet. Quietness is improved over previous motors where the brush was the point of contact and the coil rotated. Blower Motor Circuit Component Function Check 1.CHECK OP ...

    Turn signal lamp circuit
    Description The BCM monitors inputs from the combination switch to determine when to activate the turn signals. The BCM outputs voltage direction to the left and right turn signals during turn signal operation or both during hazard warning operation. The BCM sends a turn signal indicator requ ...

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