Electrical Specification

Courtesy of SUBARU OF AMERICA, INC.

Terminal No.	Contents	Measuring condition	Standard
(B78) No. 1 (+) ←→ (B78) No. 2 (-)	Battery power supply	Always	8 - 16 V
(B78) No. 2 ←→ Chassis ground	GND	Always	Less than 1 Ω
(B78) No. 3 (+) ←→ (B78) No. 2 (-)	Ignition power supply	When ignition switch is ON	8 - 16 V
(B78) No. 4	-	-	-
(B78) No. 5	-	-	-
(B78) No. 6 ←→ Chassis ground	Leveling actuator power supply	Ignition switch ON	8 - 16 V
(B78) No. 7 ←→ Chassis ground	Leveling actuator GND	Always	Less than 1 Ω
(B78) No. 8	-	-	-
(B78) No. 9 ←→ Chassis ground	Leveling actuator signal	Headlight off → on Headlight on, no vehicle height change → change and hold vehicle height for 3 seconds or more	Less than 1 V → 1.0 - 14.4 V (for 17 seconds)
(B78) No. 10	-	-	-
(B78) No. 11 ←→ (B78) No. 2	LH headlight malfunction signal	When the headlight illuminates	When normal: 1 Ω or less When faulty: 1 MΩ or more
(B78) No. 12 ←→ (B78) No. 2	RH headlight malfunction signal	When the headlight illuminates	When normal: 1 Ω or less When faulty: 1 MΩ or more
(B78) No. 13	LIN communication signal	-	Communication line
(B78) No. 14	LIN communication GND	-	Communication line
(B78) No. 15	Body CAN H	-	Communication line
(B78) No. 16	Body CAN L	-	Communication line