VSA Modulator-Control Unit Inputs and Outputs for 47P Connector: Notes

Fig 1: Identifying VSA Modulator-Control Unit 47P Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

TERMINALS REFERENCE

Terminal number	Wire color	Terminal sign	Description	Measurement (VSA modulator-control unit 47P connector connected)
				Terminals	Conditions	Voltage
1	WHT/ GRN	+B-FSR	Power source for the fail-safe relay	1-GND	At all times	Battery voltage
2	GRY	RLS(-)	Detects left-rear wheel sensor signal	2-3	Ammeter connected in series with the wheel speed sensor, then ignition switch ON (II)(1) Rotate the appropriate wheel slowly	About 7 mA to about 14 mA alternately
3	PUR	RLS (+)
4	BRN	FLS (-)	Detects left-front wheel sensor signal	4-20
5	BLU/ YEL	RRS(-)	Detects right-rear wheel sensor signal	5-6
6	GRN/ YEL	RRS (+)
9(2)	GRY/ YEL	RLP	Outputs left-rear wheel speed signal	-	-	-
11	GRY	K-LINE	Communication with HDS	11-GND	Ignition switch ON (II)	Battery voltage
14	WHT	CAN-H	F-CAN communication circuit	14-GND	Ignition switch ON (II)	About 2.5 V
16	WHT	+B-MR	Power source for the motor relay	16-GND	At all times	Battery voltage
17	GRN/ BLK	FRS(+)	Detects right-front wheel sensor signal	17-18	Ammeter connected in series with the wheel speed sensor, then ignition switch ON (II)(1) Rotate the appropriate wheel slowly	About 7 mA to about 14 mA alternately
18	GRN	FRS(-)
20	GRN/ BLU	FLS (+)	Detects left-front wheel sensor signal	4-20
26(2)	LT GRN	FRP	Outputs right-front wheel sensor signal	-	-	-
28	RED/ YEL	STR-A	Detects steering angle sensor signal	28-GND	Ignition switch ON (II), turn steering wheel very slowly	1-4V alternately
29	BLU/ ORN	STR-D	Detects steering angle sensor signal	29-GND	Ignition switch ON (II), steering wheel in straight ahead position, then turned off at center	1 V on center 4 V off center
30	RED	CAN-L	CAN communication circuit	30-GND	Ignition switch ON (II)	2.5 V
32	BLK	GND	Ground for the VSA modulator-control unit	32-GND	Under all conditions	Continuity
33	LT BLU	SGND	Ground for the sensors	33-GND	Ignition switch ON (II)	0 V
34	GRN/ WHT	YAW	Detects yaw rate sensor signal	34-GND	Ignition switch ON (II)	2.5 V
35	RED	SVCC	Power source for the sensors	35-GND	Ignition switch ON (II)	5V
37	RED/ WHT	GLAT	Detects lateral acceleration sensor signal	37-GND	Ignition switch ON (II)	2.5 V
38	BLK/ YEL	IG1	Power source for activating the system	38-GND	Ignition switch ON (II)	Battery voltage
39(2)	GRN/ RED	GLONG	Detects longitudinal acceleration sensor signal	39-GND	Ignition switch ON (II)	2.5 V
41(2)	GRY/ RED	RRP	Outputs right-rear wheel sensor signal	-	-	-
42(2)	WHT/ RED	FLP	Outputs left-front wheel sensor signal	-	-	-
43	YEL/ RED	STR-B	Detects steering angle sensor signal	43-GND	Ignition switch ON (II), turn steering wheel very slowly	1-4V alternately
47	BLK	MR-GND	Ground for the pump motor	47-GND	Under all conditions	Continuity
(1) If a DTC is set during set up, turn the ignition switch OFF, then back ON (II) before testing. (2) 4WD