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Home >> Honda >> 2021 >> CR-V EX-L, AWD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System - Testing & Troubleshooting (Except Hybrid) >> Connector View >> SRS Unit Connector for Inputs and Outputs(KA/KC)

SRS Unit Connector for Inputs and Outputs(KA/KC)

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

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

GHH431226Courtesy of HONDA, U.S.A., INC.
Terminal Number Terminal Name Description
1 CDS Sends and receives communication signal with the front passenger's weight sensor unit
2 RVEA+ Power source for the selectable energy absorption device of the front passenger's seat belt tensioner
3 RVEA- Ground for the selectable energy absorption device of the front passenger's seat belt tensioner
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 -

*1: Without CAN gateway

*2: With CAN gateway

Terminal Number Terminal Name Description
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* 1F-CAN B_H* 2 Sends and receives communication signal
35 F-CAN_L* 1F-CAN B_L* 2 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)

*1: Without CAN gateway

*2: With CAN gateway

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

GHH431227Courtesy of HONDA, U.S.A., INC.
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
Terminal Number Terminal Name Description
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 RLP- Ground for the front passenger's seat belt outer lap tensioner
23 RLP+ Power source for the front passenger's seat belt outer lap 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)