Electrical Specification

WARNING: This page is about a different car, the 2017 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Multi-Function Display Control Module Connector Terminals

Courtesy of SUBARU OF AMERICA, INC.

Terminal No.	Content	Measuring condition	Standard
1 (+B) ←→ Chassis ground	Battery power supply	Always	10 - 14 V
2 (GND) ←→ Chassis ground	GND	Always	Less than 1 Ω
3 (IGN) ←→ Chassis ground	Ignition power supply	IG OFF → ON	0 V → 10 - 14 V
4 (STR-) ←→ Chassis ground	Steering switch communication line (-)	Cannot be measured	-
5 (CAN-) ←→ Chassis ground	CAN communication line (-)	Cannot be measured	-
6 (CAN+) ←→ Chassis ground	CAN communication line (+)	Cannot be measured	-
7	-	-	-
8	-	-	-
9 (UART) ←→ Chassis ground	UART (meter communication line)	Cannot be measured	-
10 ←→ Chassis ground	Passenger's airbag ON	Passenger's airbag ON indicator (when illuminating)	Less than 1 V
11 ←→ Chassis ground	Passenger's airbag OFF	Passenger's airbag OFF indicator (when illuminating)	Less than 1 V
12 (STR+) ←→ Chassis ground	Steering switch communication line (+)	Cannot be measured	-