SEAT BELT WARNING SYSTEM(w/o Occupant Classification System) SYSTEM DESCRIPTION

  1. SEAT BELT WARNING SYSTEM DESCRIPTION

    Tip:

    The front seat belt warning light on the combination meter assembly is used for both the driver side seat and front passenger side seat.

    1. Front seat belt warning light operation for driver side seat belt:

      The front seat belt warning light on the combination meter assembly blinks or turns off in accordance with the driver side seat belt state or vehicle speed.

    2. Front seat belt warning light operation for front passenger side seat belt:

      The front seat belt warning light on the combination meter assembly blinks or turns off in accordance with whether the front passenger seat is occupied, the front passenger side seat belt state or vehicle speed.

    3. Rear seat belt warning light operation for rear seat belt (w/ Rear Seat Belt Warning System):

      When a rear door is opened and closed (the rear door courtesy light switch turns on and off) with the power switch on (IG), or when a rear door is opened and closed (the rear door courtesy light switch turns on and off) and then the power switch is turned on (IG), the rear seat belt warning light in the telltale light assembly turns on to inform the driver of the condition of the rear seat belts.

    4. Seat belt warning buzzer

      The seat belt warning buzzer in the combination meter assembly sounds at an interval of 1.2 second for 30 seconds, and then the buzzer sounds at an interval of 0.4 second for 90 seconds when the vehicle is driven at approximately 20 km/h (12.5 mph) or more and any of the following conditions are met: 1) the driver side seat belt is unfastened, 2) the front passenger side seat belt is unfastened with the front passenger seat occupied, or 3)* a rear door has been opened and closed and a rear seat belt is unfastened.

      *: w/ Rear Seat Belt Warning System

  2. FUNCTION OF MAIN COMPONENT

    Table 1. The following functions are available.

    Components

    Function

    Front seat inner belt assembly LH*1, RH*2 (driver side buckle switch)

    Informs main body ECU (multiplex network body ECU) of driver side seat belt condition (fastened or unfastened)

    Front seat inner belt assembly RH*1, LH*2 (front passenger side buckle switch)

    Informs combination meter assembly of front passenger side seat belt condition (fastened or unfastened)

    Occupant detection sensor

    Informs combination meter assembly of front passenger seat condition (occupied or unoccupied)

    Rear seat inner belt assembly LH, RH, Rear center lap type seat belt assembly RH*3

    Informs telltale light assembly of condition of rear seat belts (fastened or unfastened)

    Front seat belt warning light

    for Driver Side:

    If driver side seat belt is unfastened and power switch is on (IG), combination meter assembly flashes front seat belt warning light in combination meter assembly as reminder

    for Front Passenger Side:

    When front passenger seat is occupied and power switch is on (IG), if front passenger side seat belt is unfastened, combination meter assembly flashes front seat belt warning light of combination meter assembly as reminder

    Tip:

    The front seat belt warning light on the combination meter assembly is used for both the driver side seat and front passenger side seat.

    Rear seat belt warning light*3

    When rear door is opened and closed (rear door courtesy light switch turns on and off) with power switch on (IG), or when rear door is opened and closed (rear door courtesy light switch turns on and off) and then power switch is turned on (IG), telltale light assembly turns on rear seat belt warning light in telltale light assembly as reminder

    Seat belt warning buzzer

    If vehicle is driven at approximately 20 km/h (12.5 mph) or more with any of following conditions met, combination meter assembly sounds buzzer as reminder: 1) driver side seat belt is unfastened, 2) front passenger side seat belt is unfastened with front passenger side seat occupied, or 3) rear door has been opened and closed and rear seat belt is unfastened.*3

    *1: for LHD

    *2: for RHD

    *3: w/ Rear Seat Belt Warning System