Toyota ZZT230 series Repair Manual page 776

Driver Buckle Switch Circuit
CIRCUIT DESCRIPTION
When the buckle switch of the driver's seat is ON with the ignition switch ON, the body
to make the seat belt warning light for the driver's seat light up and to sound a buzzer.
When the buckle switch of the passenger seat is ON and the passenger seat belt occupant detecting sensor
is ON with the ignition switch ON, the body
passenger seat light up.
WIRING DIAGRAM
R-L
Instrument Panel JIB
TENS
ROC
Fuse
3
1
IG1
Rel a y
2
8--R
DIAGNOSTICS
ECU
sends a signal to make the seat belt warning light for the
1
2
T4
Tensi o n Reducer
Sol e noi d RH
R-L 1 2
R
T3 Tension Reducer
Solenoid LH
R
L
1 2
5
110
Igni t i o n Swi t ch
I
1- -j
1
FL MAIN
-
BODY CONTROL SYSTEM
c�
RH
wi h
3
1
88 Buckl e Swi t ch LH
3
W-8
Dl-565
ECU
sends a signal
BODY ECU
SG3
PBKL
SG2
DBKL