SRS Unit Connector for Inputs and Outputs

USA and Canada models

Connector Index
SRS unit connector A (39P)
SRS unit connector B (39P)

SRS Unit Inputs and Outputs at Connector A (39P)

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	L-LINE	Sends and receives scan tool signal (serial data)
34	F-CAN_H	Sends and receives communication signal
35	F-CAN_L	Sends and receives communication signal
36	GND	Ground circuit for the SRS unit
37	Not Used	?
38	Not Used	?
39	VB	SRS dedicated power (dedicated booster circuit)

SRS Unit Inputs and Outputs at Connector B (39P)

Terminal Number	Terminal Name	Description
1	Not Used	?
2	Not Used	?
3	RSA?	Ground for the right side airbag inflator
4	RSA?	Power source for the right side airbag inflator
5	LSA?	Power source for the left side airbag inflator
6	LSA?	Ground for the left 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	SPS	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 right front seat belt tensioner
19	RRP?	Power source for the right front seat belt tensioner
20	LRP?	Power source for the left front seat belt tensioner
21	LRP?	Ground for the left front seat belt tensioner
22	Not Used	?
23	Not Used	?
24	Not Used	?
25	Not Used	?
26	SWS?	Power source for the front passenger's weight sensor
27	FRBC	Right front seat belt buckle switch input line
28	SWS?	Ground for the front passenger's weight sensor
29	FLBC	Left front seat belt buckle switch input line
30	SWSS	Front passenger's weight sensor input line
31	Not Used	?
32	Not Used	?
33	Not Used	?
34	SSS?	Power source for the rear safing sensor
35	SSS?	Ground for the rear safing sensor
36	RS1?	Power source for the right side impact sensor (first), right side impact sensor (second), right side impact sensor (third)*¹
37	RS1?	Ground for the right side impact sensor (first), right side impact sensor (second), right side impact sensor (third)*¹
38	LS1?	Power source for the left side impact sensor (first), left side impact sensor (second), left side impact sensor (third)*¹
39	LS1?	Ground for the left side impact sensor (first), left side impact sensor (second), left side impact sensor (third)*¹

*1: 2-door.

Mexico models

Connector Index
SRS unit connector A (39P)
SRS unit connector B (39P)

SRS Unit Inputs and Outputs at Connector A (39P)

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	Not Used	?
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	L-LINE	Sends and receives scan tool signal (serial data)
34	F-CAN_H	Sends and receives communication signal
35	F-CAN_L	Sends and receives communication signal
36	GND	Ground circuit for the SRS unit
37	Not Used	?
38	Not Used	?
39	VB	SRS dedicated power (dedicated booster circuit)

SRS Unit Inputs and Outputs at Connector B (39P)

Terminal Number	Terminal Name	Description
1	Not Used	?
2	Not Used	?
3	RSA?	Ground for the right side airbag inflator
4	RSA?	Power source for the right side airbag inflator
5	LSA?	Power source for the left side airbag inflator
6	LSA?	Ground for the left 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	Not Used	?
12	Not Used	?
13	Not Used	?
14	Not Used	?
15	Not Used	?
16	Not Used	?
17	Not Used	?
18	RRP?	Ground for the right front seat belt tensioner
19	RRP?	Power source for the right front seat belt tensioner
20	LRP?	Power source for the left front seat belt tensioner
21	LRP?	Ground for the left front seat belt tensioner
22	Not Used	?
23	Not Used	?
24	Not Used	?
25	Not Used	?
26	Not Used	?
27	FRBC	Right front seat belt buckle switch input line
28	Not Used	?
29	FLBC	Left front seat belt buckle switch input line
30^*1	SS?	Front passenger's seat sitting switch input line
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), right side impact sensor (second)
37	RS1?	Ground for the right side impact sensor (first), right side impact sensor (second)
38	LS1?	Power source for the left side impact sensor (first), left side impact sensor (second)
39	LS1?	Ground for the left side impact sensor (first), left side impact sensor (second)

*1: With front passenger's seat belt reminder.