Relay Control Module Connector for Inputs and Outputs

WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.

Connector Index
Relay Control Module Connector A (6P)
Relay Control Module Connector B (14P)
Relay Control Module Connector C (18P)

Relay Control Module Connector A (6P) (female terminals)

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

Terminal number	Terminal name	Description	Signal
1	+B R/M1	+B power source	About battery voltage at all times
2	H/L ON SW	Detects combination light switch ON signal	With combination light switch ON: less than 0.2 VWith combination light switch OFF and wake-up mode: about battery voltageWith combination light switch OFF and sleep mode: pulse
3	R H/L LO	Outputs right headlight (LOW) signal	With right headlight (LOW) ON: about battery voltageWith right headlight (LOW) OFF: less than 0.2 V
4	H/L LO R SIG	Communication line	---
5	R H/L HI	Outputs right headlight (HIGH) signal	With right headlight (HIGH) ON: about battery voltageWith right headlight (HIGH) OFF: less than 0.2 V
6	Not used	---	---

Relay Control Module Connector B (14P) (female terminals)

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

Terminal number	Terminal name	Description	Signal
1	GND	Ground for relay control module	Less than 0.2 V at all times
2	H/L LO L SIG	Communication line	---
3	Not used	---	---
4	PARKING	Outputs parking light signal(Right taillight, Right inner taillight)	With parking lights ON: about battery voltageWith parking lights OFF: less than 0.2 V
5	Not used	---	---
6 *	FR DEICER RLY CL-	Drives heated windshield wiper area relay	With heated windshield wiper area ON: less than 0.2 VWith heated windshield wiper area OFF: about battery voltage
7	ILLUMI+	Outputs illumination signal	With combination light switch PARKING or ON: about battery voltageWith combination light switch OFF: less than 0.2 V
8	PARKING	Outputs parking light signal(Left headlight)	With parking lights ON: about battery voltageWith parking lights OFF: less than 0.2 V
9	Not used	---	---
10	PARKING	Outputs parking light signal(Left taillight, Left inner taillight, License plate light)	With parking lights ON: about battery voltageWith parking lights OFF: less than 0.2 V
11	IG1 METER	IG1 power source	With vehicle in ON or START mode: about battery voltage
12	PARKING	Outputs parking light signal(Right headlight)	With parking lights ON: about battery voltageWith parking lights OFF: less than 0.2 V
13	+B BACK UP	+B power source	About battery voltage at all times
14	DRL RLY OUT	Outputs daytime running light signal(Right headlight)	With right daytime running light ON: about battery voltageWith right daytime running light OFF: less than 0.2 V

*: With heated windshield wiper area

Relay Control Module Connector C (18P) (female terminals)

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

Terminal number	Terminal name	Description	Signal
1	B-CAN_H	Communication line	---
2	B-CAN_L	Communication line	---
3	HOOD SW	Detects hood latch switch signal	With hood latch switch ON: less than 0.2 VWith hood latch switch OFF and wake-up mode: about battery voltageWith hood latch switch OFF and sleep mode: pulse
4	FR WASHER RLY CL-	Drives windshield washer motor relay circuit	With windshield washer switch ON: less than 0.2 VWith windshield washer switch OFF: about battery voltage
5	+B R/M2	+B power source	About battery voltage at all times
6	HORN SW	Detects horn switch signal	With horn switch ON: less than 0.2 V With horn switch OFF: about battery voltage
7	L H/L LO	Outputs left headlight (LOW) signal	With left headlight (LOW) is ON: about battery voltageWith left headlight (LOW) is OFF: less than 0.2 V
8	Not used	---	---
9	L H/L HI	Outputs left headlight (HIGH) signal	With left headlight (HIGH) is ON: about battery voltageWith left headlight (HIGH) is OFF: less than 0.2 V
10	GND	Ground for relay control module	Less than 0.2 V at all times
11	DRL RLY OUT	Outputs daytime running light signal(Left headlight)	With left daytime running light ON: about battery voltageWith left daytime running light OFF: less than 0.2 V
12	Not used	---	---
13	INTR LT CUT RLY OUT1	Outputs interior light signal	With interior lights ON: about battery voltageWith interior lights OFF: less than 0.2 V
14	HORN RLY CL-	Drives horn relay	With horn(s) ON: less than 0.2 VWith horn(s) OFF: about battery voltage
15	INTR LT CUT RLY OUT2	Outputs interior light signal	With interior lights ON: about battery voltageWith interior lights OFF: less than 0.2 V
16	FR FOG LT RLY CL-	Drives fog light relay	With fog light switch ON: less than 0.2 VWith fog light switch OFF: about battery voltage

Terminal number	Terminal name	Description	Signal
17	RR DEF RLY CL-	Drives rear window defogger relay	With vehicle in ON mode and rear window defogger ON: less than 0.2 VWith vehicle in ON mode and rear window defogger OFF: about battery voltage
18	Not used	---	---