T100 SR5 Extra Cab Pickup 4WD V6-3.4L (5VZ-FE) (1998)
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Audible Warning Device: Description and Operation
When the light control SW is turned to TAIL or HEAD position, current is applied to TERMINAL 11 of the integration relay through the TAIL fuse.
LIGHT REMINDER SYSTEM
When the light control SW is turned to TAIL or HEAD position, and the driver's door is opened (Door courtesy SW LH ON) as a result, the
integration relay is activated and current flows from TERMINAL 11 of the relay to TERMINAL 10 to TERMINAL 1 of the door courtesy SW LH
to GROUND, sounding the light reminder buzzer when the ignition key is OFF position.
