Electrical Specification

Courtesy of SUBARU OF AMERICA, INC.

NOTE:

Terminal numbers in VDC Contol Module & H/U connector (on the control module side) are shown in the figure.
When the connector is removed from the VDC Contol Module & H/U, the brake warning light (EBD warning light), ABS warning light, VDC warning light & VDC indicator light, VDC OFF indicator light, and the hill start assist warning light illuminate.

Terminal No.	Content	Measuring condition	Standard
(B310) No. 1 ←→ Chassis ground	VDC pump motor power supply	Always	Battery voltage
(B310) No. 2 ←→ Chassis ground	Stop light switch	Brake pedal operation	Brake ON: Battery voltage Brake OFF: Ground
(B310) No. 4	VSO PIN output	-	-
(B310) No. 6 ←→ Chassis ground	Ignition power supply	Ignition switch: ON	Ignition power supply voltage
(B310) No. 10	CAN-L	-	-
(B310) No. 11	CAN-H	-	-
(B310) No. 13	Ground	-	-
(B310) No. 15	Brake booster pressure sensor output signal	-	-
(B310) No. 16 ←→ Chassis ground	Brake booster pressure sensor power supply	Ignition switch: ON	4.85 - 5.15 V
(B310) No. 24	Brake booster pressure sensor GND	-	-
(B310) No. 25 ←→ Chassis ground	VDC Contol Module power supply	Always	Battery voltage
(B310) No. 26	FR wheel speed sensor GND	-	-
(B310) No. 27	FR wheel speed sensor signal	-	-
(B310) No. 28 ←→ Chassis ground	Stop light relay	Ignition switch: ON	Ignition power supply voltage
(B310) No. 29	RL wheel speed sensor signal	-	-
(B310) No. 30	RL wheel speed sensor GND	-	-
(B310) No. 32 ←→ Chassis ground	VDC OFF switch	VDC OFF switch operation	Switch ON: 1 Ω or less Switch OFF: 1 MΩ or more
(B310) No. 33	RR wheel speed sensor GND	-	-
(B310) No. 34	RR wheel speed sensor signal	-	-
(B310) No. 35 ←→ Chassis ground	Brake fluid level switch	Ignition switch: ON	6 V or more
(B310) No. 36	FL wheel speed sensor signal	-	-
(B310) No. 37	FL wheel speed sensor GND	-	-