SRS Unit Connector for Inputs and Outputs

SRS Unit Connector A (39P) (female terminals)


Terminal Number
Terminal Name
Description
1
Not Used
?
2
Not Used
?
3
Not Used
?
4
RA1?
Ground for the front passenger's airbag first inflator
5
RA1?
Power source for the front passenger's airbag first inflator
6
RA2?
Power source for the front passenger's airbag second inflator
7
RA2?
Ground for the front passenger's airbag second inflator
8
LA1?
Ground for the driver's airbag first inflator
9
LA1?
Power source for the driver's airbag first inflator
10
LA2?
Power source for the driver's airbag second inflator
11
LA2?
Ground for the driver's airbag second inflator
12
Not Used
?
13
Not Used
?
14
Not Used
?
15
Not Used
?
16
Not Used
?
17
Not Used
?
18
Not Used
?
19
Not Used
?
20
Not Used
?
21
Not Used
?
22
Not Used
?
23
Not Used
?
24
Not Used
?
25
Not Used
?
26
Not Used
?
27
Not Used
?
28
OFF PTT
Front passenger's airbag cutoff indicator output line
29
RFS?
Power source for the right front impact sensor
30
RFS?
Ground for the right front impact sensor
31
LFS?
Power source for the left front impact sensor
32
LFS?
Ground for the left front impact sensor
33*1
L-LINE
(Not Used)
?
34
F-CAN_H*2
Sends and receives communication signal
F-CAN B_H*3
35
F-CAN_L*2
Sends and receives communication signal
F-CAN B_L*3
36
GND
Ground circuit for the SRS unit
37
Not Used
?
38
Not Used
?
39
VB
SRS dedicated power (dedicated booster circuit)
*1: The SRS unit is connected to the data link connector by a wire harness, but does not perform communication and control with the HDS.
*2: Without CAN gateway.
*3: With CAN gateway.

SRS Unit Connector B (39P) (female terminals)


Terminal Number
Terminal Name
Description
1
Not Used
?
2
Not Used
?
3
RSA?
Ground for the front passenger's side airbag inflator
4
RSA?
Power source for the front passenger's side airbag inflator
5
LSA?
Power source for the driver's side airbag inflator
6
LSA?
Ground for the driver's side airbag inflator
7
RCA?
Ground for the right side curtain airbag inflator
8
RCA?
Power source for the right side curtain airbag inflator
9
LCA?
Power source for the left side curtain airbag inflator
10
LCA?
Ground for the left side curtain airbag inflator
11
SS?
Driver's seat position sensor input line
12
Not Used
?
13
Not Used
?
14
Not Used
?
15
Not Used
?
16
Not Used
?
17
Not Used
?
18
RRP?
Ground for the front passenger's seat belt tensioner
19
RRP?
Power source for the front passenger's seat belt tensioner
20
LRP?
Power source for the driver's seat belt tensioner
21
LRP?
Ground for the driver's seat belt tensioner
22
READ?
Ground for the selectable energy absorption device of the front passenger's seat belt tensioner
23
READ?
Power source for the selectable energy absorption device of the front passenger's seat belt tensioner
24
LLP?
Power source for the driver's seat belt outer lap tensioner
25
LLP?
Ground for the driver's seat belt outer lap tensioner
26
SWS?
Power source for the front passenger's weight sensors
27
FRBC
Front passenger's seat belt buckle switch input line
28
SWS?
Ground for the front passenger's weight sensors
29
FLBC
Driver's seat belt buckle switch input line
30
SWSS
Sends and receives communication signal with the front passenger's weight sensors
31
Not Used
?
32
Not Used
?
33
Not Used
?
34
Not Used
?
35
Not Used
?
36
RS1?
Power source for the right side impact sensor (first) and (second)
37
RS1?
Ground for the right side impact sensor (first) and (second)
38
LS1?
Power source for the left side impact sensor (first) and (second)
39
LS1?
Ground for the left side impact sensor (first) and (second)