Electrical Specification

Courtesy of SUBARU OF AMERICA, INC.

Terminal No.	Content	Measuring condition	Standard
1 ↔ Chassis ground	Security indicator	Security indicator light off → on	0 V → 10 → 14 V
2 ↔ Chassis ground	Charge warning light	Charge warning light off → on	0 V → 10 - 14 V
3 ↔ Chassis ground	Oil pressure warning light	Oil pressure warning light off → on	0 V → 10 - 14 V
4 ↔ Chassis ground	RH turn indicator	RH turn indicator off → on	0 V → 10 - 14 V
5 ↔ Chassis ground	-	-	-
6 ↔ Chassis ground	LH turn indicator	LH turn indicator off → on	0 V → 10 - 14 V
7 ↔ Chassis ground	-	-	-
8 ↔ Chassis ground	Auto headlight beam leveler warning light	Auto headlight beam leveler warning light off → on	0 V → 10 - 14 V
9	-	-	-
10	-	-	-
11	-	-	-
12	-	-	-
13	-	-	-
14	-	-	-
15 ↔ Chassis ground	Driver's seat belt switch	Driver's seat belt switch ON	Less than 1 Ω
16 ↔ Chassis ground	Passenger's seat belt switch	Passenger's seat belt switch ON	Less than 1 Ω
17	-	-	-
18	-	-	-
19	-	-	-
20 ↔ Chassis ground	Ignition power supply	IG OFF → ON	0 V → 10 - 14 V
21 ↔ Chassis ground	Washer fluid level sensor	-	-
22	-	-	-
23 ↔ Chassis ground	Brake fluid level switch	Brake fluid level switch OFF → ON	1 MΩ or more → less than 1 Ω
24 ↔ 34	R. DIFF oil temperature sensor	-	-
25 ↔ 37	Fuel level sensor	Always	10 - 600 Ω
26 ↔ 35	SI-DRIVE input (engine type: EJ)	SI-DRIVE switch OFF → ON	1 MΩ or more → less than 1 Ω
27 ↔ 36	Ambient sensor	Always	1 - 35 kΩ
28 ↔ Chassis ground	UART (MFD)	Cannot be measured	-
29 ↔ Chassis ground	STEERING+	i/SET, Δ, switch OFF → ON	1 MΩ or more → less than 1 Ω
30	-	-	-
31 ↔ Chassis ground	SI-DRIVE input (engine type: FA)	SI-DRIVE switch OFF → ON	1 MΩ or more → less than 1 Ω
32 ↔ Chassis ground	CAN communication line (-)	Cannot be measured	-
33 ↔ Chassis ground	CAN communication line (+)	Cannot be measured	-
34	R. DIFF GND	-	-
35	SI-DRIVE input GND (engine type: EJ)	-	-
36	Ambient sensor GND	-	-
37	Fuel level sensor GND	-	-
38 ↔ Chassis ground	GND	Always	Less than 1 Ω
39 ↔ Chassis ground	Backup ignition power supply	IG OFF → ON	0 V → 10 - 14 V
40 ↔ Chassis ground	Battery power supply	Always	10 - 14 V