Electrical Specification

Combination meter

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	-	-	-
6 ↔ Chassis ground	LH turn indicator	LH turn indicator off → on	0 V → 10 - 14 V
7	-	-	-
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	Passenger's seat belt switch	Passenger's seat belt switch ON	Less than 1 Ω
17	-	-	-
18	-	-	-
19	-	-	-
20 ↔ Chassis ground	Ignition power supply	Ignition switch OFF → ON	0 V → 10 - 14 V
21 ↔ Chassis ground	Washer fluid level sensor	-	-
22	-	-	-
23 ↔ Chassis ground	Brake fluid level switch	-	-
24	-	-	-
25 ↔ 37	Fuel level sensor	Always	10 - 600 Ω
26	-	-	-
27 ↔ 36	Ambient sensor	Always	1 - 35 kΩ
28 (UART) ↔ Chassis ground	UART (MFD)	Cannot be measured	-
29	-	-	-
30	-	-	-
31	SI-DRIVE input	-	-
32 (CAN-) ↔ Chassis ground	CAN communication line (-)	Cannot be measured	-
33 (CAN+) ↔ Chassis ground	CAN communication line (+)	Cannot be measured	-
34 ↔ Chassis ground	R. DIFF GND	Always	Less than 1 Ω
35 ↔ Chassis ground	SI-DRIVE input GND	Always	Less than 1 Ω
36 ↔ Chassis ground	Ambient sensor GND	Always	Less than 1 Ω
37 ↔ Chassis ground	Fuel level sensor GND	Always	Less than 1 Ω
38 ↔ Chassis ground	GND	Always	Less than 1 Ω
39 ↔ Chassis ground	Backup ignition power supply	Always	Less than 1 Ω
40 ↔ Chassis ground	Battery power supply	Always	10 - 14 V