Keyless Access/TPMS Control Unit Connector for Inputs and Outputs (2017 2018 2019)

Connector Index
KEYLESS ACCESS/TPMS CONTROL UNIT CONNECTOR A (32P)
KEYLESS ACCESS/TPMS CONTROL UNIT CONNECTOR B (36P)
KEYLESS ACCESS/TPMS CONTROL UNIT CONNECTOR C (20P)

KEYLESS ACCESS/TPMS CONTROL UNIT CONNECTOR A (32P) (female terminals)

Courtesy of HONDA, U.S.A., INC.

Terminal number	Terminal name	Description	Signal
1	+B SMART	+B power source	About battery voltage at all times
2	KEY SW	Outputs KEY SW signal	With vehicle in OFF (LOCK) mode: about battery voltage With vehicle in 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	RR INT LF+	Detects rear interior LF antenna signal	---
12	FR WHEEL LF+	Detects right-front LF antenna/initiator signal	---
13	FL WHEEL LF+	Detects left-front LF antenna/initiator signal	---
14	FR INT LF+	Detects front interior LF antenna signal	---
15	RR WHEEL LF+	Detects right-rear LF antenna/initiator signal	---
16	RL WHEEL LF+	Detects left-rear LF antenna/initiator signal	---
17	SGND	Keyless access/TPMS control unit ground	Less than 0.2 V at all times

*: With keyless access function

Terminal number	Terminal name	Description	Signal
18	---	Not used	---
19*	VOUT FRDR	Drives driver's door outer handle touch sensor	---
20	---	Not used	---
21*	VOUT FRAS	Drives front passenger's door outer handle touch sensor	---
22	---	Not used	---
23	---	Not used	---
24	---	Not used	---
25	---	Not used	---
26	---	Not used	---
27	RR INT LF-	Detects rear interior LF antenna signal	---
28	FR WHEEL LF-	Detects right-front LF antenna/initiator signal	---
29	FL WHEEL LF-	Detects left-front LF antenna/initiator signal	---
30	FR INT LF-	Detects front interior LF antenna signal	---
31	RR WHEEL LF-	Detects right-rear LF antenna/initiator signal	---
32	RL WHEEL LF-	Detects left-rear LF antenna/initiator signal	---

*: With keyless access function

KEYLESS ACCESS/TPMS CONTROL UNIT CONNECTOR B (36P) (female terminals)

Courtesy of HONDA, U.S.A., INC.

Terminal number	Terminal name	Description	Signal
1	PARKING SW	Detects parking brake switch signal	With parking brake switch ON: less than 0.2 V With parking brake switch OFF: about battery voltage
2*	ESL SW D	Detects electric steering lock (ESL SW D) signal	---
3*	ESL SW B	Detects electric steering lock (ESL SW B) signal	---
4*	ESL SW C	Detects electric steering lock (ESL SW C) signal	---

*: With electric steering lock

Terminal number	Terminal name	Description	Signal
5*	MTR CUT1	Detects electric steering lock (MTR CUT1) signal	---
6*	MTR CUT2	Detects electric steering lock (MTR CUT2) signal	---
7	---	Not used	---
8	---	Not used	---
9	---	Not used	---
10	SS1+	Detects engine start/stop switch (SS1+) signal	With engine start/stop switch pressed: about battery voltage
11	SS2-	Detects engine start/stop switch (SS2-) signal	---
12	---	Not used	---
13	---	Not used	---
14	IG1 REM	Outputs engine remote start signal	With engine remote start operation: about battery voltage
15	ACC RLY CL	Drives ACC relay circuit	With vehicle in ACCESSORY or ON mode: about battery voltage
16	IG2 RLY CL	Drives IG2 relay circuit	With vehicle in ON mode: about battery voltage
17	IG1 RLY CL	Drives IG1A/B relay	With vehicle in ON mode: about battery voltage
18	+B BACKUP	+B power source	About battery voltage at all times
19	STOP SW	Detects brake pedal position switch 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	SW ILL2	Detects engine start/stop switch illumination signal	About 0V-battery voltage (depending on engine start/stop switch illumination brightness)
23	SW ILL1	Detects engine start/stop switch illumination signal	About 0V-battery voltage (depending on engine start/stop switch illumination brightness)
24	VCONT	Drives engine start/stop switch	---
25	SSB GND	Ground for engine start/stop switch	Less than 0.2 V at all times
26	---	Not used	---
27	IG2-MAIN	IG2 power source	With vehicle in ON mode: about battery voltage
28	---	Not used	---
29	IG1B FBK	IG1 power source	With vehicle in ON mode: about battery voltage
30	IG1A FBK	IG1 power source	With vehicle in ON mode: about battery voltage
31*	MTR CONT	Detects electric steering lock (MTR CONT) signal	---
32	STS	Outputs engine starting signal	With engine starting request: about battery voltage
33*	ESL PWR	Drives electric steering lock	With electric steering lock operation: about battery voltage
34	IG1 VSA	IG1 power source	With vehicle in ON or START mode: about battery voltage
35	SMART RLY GND	Ground for IG1A/B relay and IG2/ACC relay circuit	Less than 0.2 V at all times
36	SGND	Keyless access/TPMS control unit ground	Less than 0.2 V at all times

*: With electric steering lock

KEYLESS ACCESS/TPMS CONTROL UNIT CONNECTOR C (20P) (female terminals)

Courtesy of HONDA, U.S.A., INC.

Terminal number	Terminal name	Description	Signal
1	B-CAN_H	Communication line	---
2	F-CAN_H	Communication line	---
3* 1	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 park pin switch signal	With P position/mode: less than 0.2 V With select lever knob switch pressed or without P position/mode: about battery voltage
10	ATP-P	Detects transmission range switch (P) signal	With P position/mode: less than 0.2 V Without P position/mode: about battery voltage
11	B-CAN_L	Communication line	---
12	F-CAN_L	Communication line	---
13* 2	DL FRAS	Detects front passenger's door outer handle lock switch signal	---
14* 2	DL FRDR	Detects driver's door outer handle lock switch signal	---
15* 2	TS FRDR	Detects driver's door outer handle touch sensor signal	---
16	TRUNK HANDLE SW	Detects in-bed trunk lid outer handle switch signal	---
17* 2	TS FRAS	Detects front passenger's door outer handle touch sensor signal	---
18	---	Not used	---
19	---	Not used	---
20	---	Not used	---

*1: With electric steering lock

*2: With keyless access function