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Home >> Honda >> 2021 >> HR-V EX-L, FWD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System (SRS) - Testing & Troubleshooting >> Connector View >> SRS Unit Connector for Inputs and Outputs (KA/KC) (2016 2017 2018)

SRS Unit Connector for Inputs and Outputs (KA/KC) (2016 2017 2018)

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

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

GHH438870Courtesy of HONDA, U.S.A., INC.
Terminal Number Terminal Name Description
1 Not Used -
2 RA2+ Power source for the front passenger's airbag second inflator
3 RA2- Ground for the front passenger's airbag second inflator
4 LA2+ Power source for the driver's airbag second inflator
5 LA2- Ground for the driver's airbag second inflator
6 RA1+ Power source for the front passenger's airbag first inflator
7 RA1- Ground for the front passenger's airbag first inflator
8 LA1+ Power source for the driver's airbag first inflator
9 LA1- Ground for the driver's airbag first inflator
10 Not Used -
11 Not Used -
12 Not Used -
13 Not Used -
14 Not Used -
15 Not Used -
16 Not Used -
17 OFF PTT Sends and receives communication signal with the front passenger's airbag cutoff indicator
18 Not Used -
19 L-LINE Additional communication line
20 F-CAN H Sends and receives communication signal
21 F-CAN L Sends and receives communication signal
22 Not Used -
23 Not Used -
24 Not Used -
25 Not Used -
26 RFS+ Power source for the right front impact sensor
27 RFS- Ground for the right front impact sensor
Terminal Number Terminal Name Description
28 LFS+ Power source for the left front impact sensor
29 LFS- Ground for the left front impact sensor
30 Not Used -
31 Not Used -
32 Not Used -
33 Not Used -
34 Not Used -
35 Not Used -
36 Not Used -
37 GND Ground circuit for the SRS unit
38 Not Used -
39 VB SRS dedicated power (dedicated booster circuit)

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

GHH438871Courtesy of HONDA, U.S.A., INC.
Terminal Number Terminal Name Description
1 LCA+ Power source for the left side curtain airbag first inflator
2 LCA- Ground for the left side curtain airbag first inflator
3 RSA+ Power source for the front passenger's side airbag inflator
4 RSA- Ground 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 Not Used -
8 Not Used -
9 LLP+ Power source for the driver's seat belt outer lap tensioner
10 LLP- Ground for the driver's seat belt outer lap tensioner
11 ODS Sends and receives communication signal with the front passenger's weight sensor unit
12 RCA+ Power source for the right side curtain airbag first inflator
13 RCA- Ground for the right side curtain airbag first inflator
14 Not Used -
15 Not Used -
16 FRBC Front passenger's seat belt buckle switch input line
17 Not Used -
Terminal Number Terminal Name Description
18 FLBC Driver's seat belt buckle switch input line
19 Not Used -
20 READ+ Power source for the selectable energy absorption device of the front passenger's seat belt tensioner
21 READ- Ground for the selectable energy absorption device of the front passenger's seat belt tensioner
22 RRP+ Power source for the front passenger's seat belt tensioner
23 RRP- Ground for the front passenger's seat belt tensioner
24 LRP+ Power source for the driver's seat belt tensioner
25 LRP- Ground for the driver's seat belt tensioner
26 RS1+ Power source for the right side impact sensor (first), right side impact sensor (second)
27 RS1- Ground for the right side impact sensor (first), right side impact sensor (second)
28 LS1+ Power source for the left side impact sensor (first), left side impact sensor (second)
29 LS1- Ground for the left side impact sensor (first), left side impact sensor (second)
30 Not Used -
31 Not Used -
32 Not Used -
33 Not Used -
34 Not Used -
35 Not Used -
36 Not Used -
37 SS+ Driver's seat position sensor input line
38 SSS+ Power source for the rear safing sensor
39 SSS- Ground for the rear safing sensor