Nissan Altima 2007-2012 Service Manual: 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 in conjunction with the occupant classification system. Refer to SRC- 10, "Occupant Classification System (OCS)".

Passenger Seat Belt Warning System Operation

Component Parts Location

Refer to SRC-7, "SRS Component Parts Location".

    Occupant classification system
    System Diagram 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 input ...

    On board diagnostic (OBD) system
    Trouble Diagnosis Introduction CAUTION: • Do not use electrical test equipment on any circuit related to the SRS unless instructed to do so in this Service Manual. SRS wiring harnesses can be i ...

    Other materials:

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    Description Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc. The throttle position sensor responds to the throttle valve movement. The throttle position sensor has two sensors. These sensors are a kind of potentiometers which transform the ...

    Rear window defogger power supply and ground circuit
    Description Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window from fogging up. Component Function Check 1. CHECK REAR WINDOW DEFOGGER Check that the heating wire of rear window defogger is heated when turning the rear window defogge ...

    Ecu diagnosis
    ECM Reference Value VALUES ON THE DIAGNOSIS TOOL Remarks: ● Specification data are reference values. ● Specification data are output/input values which are detected or supplied by the ECM at the connector. ● Specification data may not be directly related to their com ...