Matrix 4WD L4-1.8L (1ZZ-FE) (2004)
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Audible Warning Device: Description and Operation
Seat Belt Warning
System Outline
Current is always applied from the DOME fuse to TERMINAL 1 of the combination meter. When the ignition SW is turned to ON position, the current
from the GAUGE fuse flows to TERMINAL 21 of the combination meter and flows to TERMINAL 1 of the front passenger seat belt warning light.
Seat Belt Warning System
When the ignition SW turned on, a signal is input to the combination meter. To determine whether the driver has fastened the seat belt, a signal is input
from the buckle SW LH to TERMINAL 31 of the combination meter. When the seat belt is not fastened, the seat belt warning light in the combination
meter blinks, and emits a warning sound.
In addition, the front passenger is recognized by a sensor (Occupant detection sensor) is installed in the front passenger seat, and determines whether the
seat belt is fastened. When not fastened, the signals from the occupant detection sensor is input to TERMINAL 37 of the combination meter, and the
front passenger seat belt warning light blinks.