LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 2021 >> HR-V EX, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Security System Keyless Entry System - Testing & Troubleshooting >> Connector View >> Keyless Access Control Unit Connector for Inputs and Outputs (2019 2020 2021)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Keyless Access Control Unit Connector for Inputs and Outputs (2019 2020 2021)

Connector Index
KEYLESS ACCESS CONTROL UNIT CONNECTOR A (32P)
KEYLESS ACCESS CONTROL UNIT CONNECTOR B (36P)
KEYLESS ACCESS CONTROL UNIT CONNECTOR C (20P)
GHH438388Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 +B SMART Power source for keyless access control unit About battery voltage at all times
2 KEY SW Outputs KEY SW signal With the vehicle in the OFF (LOCK) mode: about battery voltage With the vehicle in the ACCESSORY or ON mode: less than 0.2 V
3 Not used --- ---
4 Not used --- ---
5 Not used --- ---
6 Not used --- ---
7 Not used --- ---
8 Not used --- ---
9 Not used --- ---
10 Not used --- ---
11 EXT R+ Outputs EXT R+ signal ---
12 EXT FR AS+ Outputs EXT FR AS+ signal ---
13 EXT FR DR+ Outputs EXT FR DR+ signal ---
14 EXT F+ Outputs EXT F+ signal ---
15 Not used --- ---
16 Not used --- ---
17 GND Ground for keyless access control unit Less than 0.2 V at all times
18 Not used --- ---
19 VOUT FR DR Outputs VOUT FR DR signal ---
20 Not used --- ---
21 VOUT FR AS Outputs VOUT FR AS signal ---
22 Not used --- ---
23 Not used --- ---
24 Not used --- ---
25 Not used --- ---
Terminal number Terminal name Description Signal
26 Not used --- ---
27 EXT R- Outputs EXT R- signal ---
28 EXT FR AS- Outputs EXT FR AS- signal ---
29 EXT FR DR- Outputs EXT FR DR- signal ---
30 EXT F- Outputs EXT F- signal ---
31 Not used --- ---
32 Not used --- ---
GHH438389Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 PARKING BRAKE SW(EPB) Detects PARKING BRAKE SW(EPB) signal ---
2 * ESL SW D Detects ESL SW D signal ---
3 * ESL SW B Detects ESL SW B signal ---
4 * ESL SW C Detects ESL SW C signal ---
5 * MTR CUT1(CONT) Detects MTR CUT1(CONT) signal ---
6 * MTR CUT2(IG1) Detects MTR CUT2(IG1) signal ---
7 Not used --- ---
8 Not used --- ---
9 Not used --- ---
10 SS1(+) Detects SS1(+) signal Engine start/stop button pressed: about battery voltage Engine start/stop button released: less than 0.2 V
11 SS2(-) Detects SS2(-) signal ---
12 Not used --- ---
13 Not used --- ---
14 Not used --- ---
15 ACC RLY CL+ Outputs ACC RLY CL+ signal With the vehicle in the ACCESSORY or ON mode: about battery voltage With the vehicle in the OFF (LOCK) mode: less than 0.2 V
16 IG2 COIL+ Outputs IG2 COIL+ signal With the vehicle in the ON mode: about battery voltage With the vehicle in the OFF (LOCK) mode: less than 0.2 V
17 IG1 COIL+ Outputs IG1 COIL+ signal With the vehicle in the ON mode: about battery voltage With the vehicle in the OFF (LOCK) mode: less than 0.2 V
18 +B BACK UP Power source for keyless access control unit About battery voltage at all times

*: With electric steering lock

Terminal number Terminal name Description Signal
19 BRK DIAG Detects BRK DIAG signal With brake pedal pressed: about battery voltage With brake pedal released: less than 0.2 V
20 DCK Communication line ---
21 DIN/DOUT Communication line ---
22 START SW ILL Outputs START SW ILL signal About 0V-battery voltage (depending on engine start/stop switch illumination brightness)
23 START SW IND1 Outputs START SW IND1 signal With engine start/stop switch indicator OFF: about battery voltage With engine start/stop switch indicator ON: less than 0.2 V
24 SS SW VCONT Outputs SS SW VCONT signal With backup communication with remote: about battery voltage
25 SSB GND Ground for engine start/stop switch Less than 0.2 V at all times
26 Not used --- ---
27 IG2 SIG Detects IG2 SIG signal With the vehicle in the ON mode: about battery voltage With the vehicle in the OFF (LOCK) mode: less than 0.2 V
28 Not used --- ---
29 IG1-B SIG Detects IG1-B SIG signal With the vehicle in the ON mode: about battery voltage With the vehicle in the OFF (LOCK) mode: less than 0.2 V
30 IG1-A SIG Detects IG1-A SIG signal With the vehicle in the ON mode: about battery voltage With the vehicle in the OFF (LOCK) mode: less than 0.2 V
31 * MTR CONT Outputs MTR CONT signal ---
32 STS Outputs STS signal With engine starting request: about battery voltage
33 * ESL PWR Outputs ESL PWR signal With electric steering lock operation: about battery voltage
34 IG1 FUEL PUMP IG1 power source With the vehicle in the ON mode: about battery voltage
35 RELAY GND Ground for IG1-A/IG1-B/IG2/ACC relays Less than 0.2 V at all times
36 GND Ground for keyless access control unit Less than 0.2 V at all times

*: With electric steering lock

GHH438390Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 B-CAN_H Communication line ---
2 F-CAN_H *1 Communication line ---
F-CAN C_H *2
3 *3 IGN TRX Communication line ---
4 K-LINE Communication line ---
5 S-NET Communication line ---
6 L-LINE Communication line ---
7 Not used --- ---
8 Not used --- ---
9 P-PIN SW Detects P-PIN SW signal ---
10 ATP-P Detects ATP-P signal ---

*1: Without multipurpose camera unit

*2: With multipurpose camera unit

*3: With electric steering lock

Terminal number Terminal name Description Signal
11 B-CAN_L Communication line ---
12 F-CAN_L *1 Communication line ---
F-CAN C_L *2
13 DL FR AS Detects DL FR AS signal ---
14 DL FR DR Detects DL FR DR signal ---
15 TS FR DR Detects TS FR DR signal ---
16 TAIL GATE OPEN SW Detects TAIL GATE OPEN SW signal ---
17 TS FR AS Detects TS FR AS signal ---
18 T/G LOCK SW Detects T/G LOCK SW signal ---
19 Not used --- ---
20 Not used --- ---

*1: Without multipurpose camera unit

*2: With multipurpose camera unit

*3: With electric steering lock