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SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Dash Fuse Box
Data Link Connector (DLC) C-63
Driver’s Inflator Module
Passenger’s Inflator Module
Sensing and Diagnostic Module (SDM)
SRS Coil Assembly
Component Index
47
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
BLK
B-6
1
BLK
CB-21
SRS1
10A
1
YEL
2
RED
SRS
COIL
ASSEMBLY
DRIVER’S
INFLATOR
MODULE
3
YEL/BLK
B-1
2
YEL
1
B-22
2
PASSENGER’S
INFLATOR
MODULE
YEL/RED
YEL/GRN
4
3
16
15
C-46
See Ground
Distribution,
page 14-3.
R-5
2
BLK
BLK
20
R-5
1
H-20
13
GRN/YEL
GRN/YEL
DRIVER’S SEAT
BELT SWITCH
Open with seat
belt buckled.
GRN/YEL
Seat Belt
Warning
System
B-12
BLK
B-11
6
GRN
7
HOT IN ON OR START
METER
ASSEMBLY
AIR BAG
READINESS
INDICATOR
LIGHT
B-6
2
12
BLK/RED
1
GRY
24
RED
B-12
CB-22
SRS2
10A
13
9
4
C-63
BLK
DASH
FUSE
BOX
SENSING and
DIAGNOSTIC
MODULE (SDM)
Solid-state:
Do not check
resistance.
DATA LINK CONNECTOR (DLC)
RED
RED
RED
RED
YEL
RED
9
8
H-14
GRY
RED
RED
RED
Engine
Controls
See Ground
Distribution,
page 14-2.
BLK
C-31
YEL/GRN
GRN/YEL
AIR BAG
readiness
indicatior
light
control
Ignition
Ground
Low
High
Low
High
Driver’s
seat belt
buckled in-
put
DLC
output
Serial
data
STEERING
WHEEL
H-15
8
BLK
YEL
RED
Circuit Schematic
47-1
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
(Refer to Section 201 for photographs.)
Component
Photo No.
Dash Fuse Box
Behind left I/P side trim panel
36
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Link Connector (DLC)
C-63
Below left side of I/P, near engine hood release
38
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver’s Inflator Module
In steering wheel
48
. . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Passenger’s Inflator Module
On right side of I/P
54
. . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sensing and Diagnostic
Module (SDM)
Below center of I/P
54
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SRS Coil Assembly
Top of steering column, below steering wheel
. . . . . . . . . .
Connector
B-1 (3-YEL)
Behind left lower I/P panel, above dash fuse box
37
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
B-6 (2-YEL)
Behind left side of I/P, on rear of meter assembly
49
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
B-22 (2-YEL)
Above glove box
54
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-14 (22-BLU)
Behind left side of I/P, above left kick panel on bracket
42
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
H-15 (18-BLK)
Behind left side of I/P, above left kick panel on bracket
42
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
H-20 (15-WHT)
Behind left side of I/P, above left kick panel on bracket
42
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
R-5 (2-BLK/WHT)
Under driver seat
65
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground
B-11
Below right side of front console
54
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C-46
Behind left kick panel
40
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Operation
The Supplemental Restraint System (SRS) consists of
the Sensing and Diagnostic Module (SDM), the driver’s
inflator module, the SRS coil assembly, the passen-
ger’s inflator module, and the AIR BAG readiness indi-
cator light in the meter assembly. The SDM, SRS coil
assembly (driver side only), driver’s inflator module,
passenger’s inflator module, and connector wire make
up the deployment loops. The function of the deploy-
ment loops is to supply current through the inflator mod-
ules, which will cause deployment of the air bags in the
event of a frontal crash of sufficient force, up to 30 de-
grees of the centerline of the vehicle. The inflator mod-
ules are only supplied enough current to deploy when
the SDM detects vehicle velocity changes that are se-
vere enough to warrant deployment.
The SDM contains a sensing device which converts
vehicle velocity change to an electrical signal. The
electrical signal generated is processed by the SDM
and then compared to a value stored in memory. When
the generated signal exceeds the stored value, the
SDM will cause current to flow through the inflator
modules deploying the air bags.
Component Location Index
REAR DEFOGGER
Component Index
Dash Fuse Box
Rear Defogger Relay
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