23-42BODY - Seat Belts
Input Signals
The relationship between input signals (as seen
from the control unit) and the ON/OFF status of the
various switches is as shown in the table below.
When making measurements of voltage, be sure todo so within one minute from the time that
theignition switch is turned to the “ON”, “LOCK” or
“ACC” position.
Input signaldesignation
Ignition switch
Driver’s seat
buckle switch
Driver’s seat outer
3switchAmount of shoulder belt wind-in equals or exceeds theOFFHspecified amount.
Driver’s seat
“fasten” switch
Driver’s seat
“release” switch
Driver’s seat door
latch switch
(“open” side)
Key-reminderswitch
(A)
Key-reminderswitch (B)Front passenger’s
outer switch
cFront passenger’s
“fasten” switch
Front passenger’s
a release m switch
Terminal
No.Switch operation and statusVcv;y
1Ignition switch is switched to “ON”.ONHIgnition switch is switched to “LOCK” or “ACC”.
OFFL
2
Lap belt is fastened.OFFH
Lap belt is not fastened.ION I ilAmount of shoulder belt wind-in is between 0 and the
specified amount.
ONL
4Driver’s door is opened, or belt is fastened.OFFH
Driver’s door is closed, and belt is not fastened.
ONL
5Driver’s belt is in the released condition.
OFFHDriver’s belt is in the unreleased condition.
ONL Y
6
12
13
14
15Driver’s door is closed.
Driver’s door is open.
+
Key is in key cylinder.
Key is removed from the key cylinder.Key is removed from the key cylinder.
Key is in key cylinder.Amount of shoulder belt wind-in equals or exceeds the
specified amount.
Amount of shoulder belt wind-in is between 0 and the
specified amount.
Front passenger’s door is opened, or belt is fastened.
Front passenger’s door is closed, and belt is notfastened.
OFFH I
ONL
ONH
OFFL
ONH
OFFL
OFFH
ONL
OFFH
ONL
16Front passenger’s door is closed, or belt is in the releasedOFFHcondition.
Front passenger’s door is open, and the belt is in theunreleased condition.ONL
,
BODY - Seat Belts23-43
9utput SignalsJhen the input signals change, the signals output
rorn the control unit also change. This relationsihp
; as shown in the table below.
IUZZER OPERATION (TERMINAL No.201
Warning alarm whendriver’s shoulder belt
is not fastened
Warning alarm whendriver’s lap belt is not
fastened
Warning alarm whenkey is left in key
cylinder
Time expiration
Warning alarm whenshoulder belt starts
moving to “release”
sideStatus at input sideIgnition switch
Driver’s door
Driver’s
shoulder belt(“Fasten” switch)
Driver’souter switch
Other than as aboveDriver‘s
lap beltIgnition switch
Other than as above
ON
Closed
E-Yned
OFFNot fastenedOFF-+ ON
*
Other than as above
hh
Other than as above
Shoulder beit
release
Other than as aboveWhen beginsOutput signal waveforms
1
Buzzer
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFFand operation status
Output signal
(ON)I--i
Approx. 6 sec.
BODY - Seat Belts23-45QRIVER’S SHOULDER BELT RELEASING OPERATION (TERMINAL
No.9)Status at input sideOutput signal waveforms and operation status
Motor
Output signal
Driver’s shoulder beltDriver’s door
is released.OpenOperates. H
(A)Driver’s shoulder beltNot released(OFF)
Other than as abovestops.:ONl -$<
Max. 60 setDriver’s shoulder beltlgnition switch
OFFis released.Operates.
03)Driver’s shoulder.beltNot released(“Release” switch)
(ON)
Key(Key-reminder switchNot in cylinder(OFF/ON)FFF)
1 ;: r
A/B)(ON1p-9 Max. 60 sec.
Other than as abovestops.
FRONT PASSENGER’S SHOULDER BELT FASTENING OPERATION (TERMINAL No. 18)
Status at input side
Ignition switch
Front passenger’s
shoulder belt(“Fasten” switch,
Door latch switch
“close”)
Other than as above
ONNot fastened
(ON, ON)Output signal waveforms and operation status
Motor
IOutput signal
Operates.- Max. 60 sec.
stops.
IFRONT PASSENGER’S SHOULDER BELT RELEASING OPERATION (TERMINAL No. 19)
Status at input sideOutput signal waveforms and operation status
Motor
Output signal
Front passenger’s
shoulder belt is
released.(A)
