Mitsubishi 380. Manual — part 771
GENERAL DESCRIPTION
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-8
L
DANGER: SEAT BELT PRETENSIONER
CAUTION: THIS ASSEMBLY CONTAINS AN EXPLOSIVE INITIATOR
FLAMMABLE MATERIAL
TO PREVENT PERSONAL INJURY
• DO NOT IMPACT, DISMANTLE OR INSTALL IT INTO ANOTHER VEHICLE.
• SERVICE OR DISPOSE OF IT AS DIRECTED IN THE REPAIR MANUAL.
M
CAUTION:
DO NOT DISASSEMBLE OR DROP.
N
WARNING
THIS VEHICLE HAS AN AIR BAG SYSTEM.
REFER TO SERVICE MANUAL BEFORE SERVICING OR DISASSEMBLING
UNDERHOOD COMPONENTS.
READ THE "SRS" SECTION OF MANUAL FOR IMPORTANT INSTRUCTIONS.
IMPROPER SERVICE PROCEDURES CAN RESULT IN THE AIR BAG FIRING OR
BECOMING INOPERATIVE, POSSIBLY LEADING TO INJURY.
LABEL CONTENTS
GENERAL DESCRIPTION
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-9
SCHEMATIC
SIDE
IMPACT
SENSOR
(LH)
SIDE
IMPACT
SENSOR
(RH)
DATA LINK CONNECTOR
(FOR SCAN TOOL)
ON
ON
OFF
ON
OFF
OFF
CONNECTOR
LOCK SWITCH*
IGNITION SWITCH (IG1)
No.22
7.5A
No.23
7.5A
DRIVER'S
AIR BAG
MODULE
CLOCK
SPRING
ON
OFF
OFF
OFF
ON
ON
PASSENGER'S
(FRONT) AIR BAG
MODULE
OFF
ON
OFF
ON
CONNECTOR
LOCK SWITCH*
OFF
ON
OFF
ON
CONNECTOR
LOCK SWITCH*
SEAT BELT
PRE-TENSIONER
(LH)
SEAT BELT
PRE-TENSIONER
(RH)
OFF
ON
OFF
ON
CONNECTOR
LOCK SWITCH*
SIDE-AIRBAG
MODULE (LH)
SIDE-AIRBAG
MODULE (RH)
OFF
ON
OFF
ON
CONNECTOR
LOCK SWITCH*
OFF
ON
OFF
ON
CONNECTOR
LOCK SWITCH*
CONNCTOR LOCK
SWITCH*
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
CONNCTOR LOCK
SWITCH*
SRS-ECU
CONNECTOR
LOCK SWITCH*
OFF
ON
OFF
ON
ON
OFF
ON
OFF
ON
OFF
OFF
OFF
ON
ON
ON
OFF
ON
OFF
ON
OFF
FRONT
IMPACT
SENSOR
(LH)
FRONT
IMPACT
SENSOR
(RH)
CAN BUS
LINE
COMBINATION METER
GENERAL DESCRIPTION
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-10
SRS AIR BAG SPECIAL CONNECTOR
To enhance the system reliability, a connector lock
switch is integrated in the SRS-ECU connector, the
air bag module connectors, the clock spring connec-
tor, the seat belt pretensioner connectors (black con-
nector "A" shown in the illustration below).
.
AC401872
SRS-ECU
A
A
A
AB
SIDE-AIRBAG MODULE
(LH)
SEAT BELT WITH
PRE-TENSIONER
(DRIVER'S SIDE)
CLOCK
SPRING
DRIVER'S AIR BAG MODULE
PASSENGER'S (FRONT)
AIR BAG MODULE
SEAT BELT WITH
PRE-TENSIONER
(FRONT PASSENGER'S
SIDE)
SIDE-AIRBAG MODULE
(RH)
GENERAL DESCRIPTION
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-11
SQUIB CIRCUIT CONNECTOR LOCK
SWITCH
The switch is a mechanism that shorts the power
supply terminal to the ground terminal automatically
in the air bag squib circuit when the connector is dis-
connected. A "short" spring is integrated inside the
connector. This spring prevents static electricity from
flowing to the squib by shorting the power supply ter-
minal to the ground terminal (i.e. there is no potential
difference between the two terminals).
CAUTION
When the connector is disconnected, there will
be short circuit between the terminals. This is not
a fault.
AC006197
OFF
ON
OFF
ON
SQUIB
SRS-ECU
SQUIB
SRS-ECU
OFF
OFF
ON
ON
A
A
CONNECTOR DISCONNECTED
<CONNECTOR SHORTING MECHANISM (E.G. SRS-ECU CONNECTOR)>
ECU-SIDE CONNECTOR
WIRING HARNESS-SIDE CONNECTOR
TERMINAL
(MALE)
PARTITION
PANEL
B
B
SHORT SPRING
SHORT SPRING
AG
SECTION B - B
SHORT
SPRING
SECTION A - A
CONNECTOR CONNECTED
TERMINAL
(MALE)
TERMINAL
(MALE)
PARTITION
PANEL
PARTITION PANEL
TERMINAL
(FEMALE)
TERMINAL
(FEMALE)
TERMINAL
(FEMALE)
CONNECTOR CONNECTED
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