ECM Terminal Arrangement

WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Do not remove the occupant detection control module and the occupant detection sensor because they are integrated into the seat frame.

Connector between airbag rear harness and seat harness

Fig 1: Identifying ECM Terminal Arrangement

Courtesy of SUBARU OF AMERICA, INC.

Terminal No. (symbol)	Terminal description	Conditions	Specified condition
G2-2 - G2-3	Airbag sensor ASSY communication line	IG ON	Pulse generation
G2-1 - Chassis ground	Power supply	IG ON	11 to 14 V

Occupant detection control module

Fig 2: Identifying Occupant Detection Control Module Connector Terminals

Courtesy of SUBARU OF AMERICA, INC.

Terminal No. (symbol)	Terminal description	Input/Output value	Note
1	Airbag CM communication (+)	-	Communication line
2	Unused	-	-
3	Unused	-	-
4	Buckle switch (-)	0 V	Switch ground
5	Unused	-	-
6	IG power supply	8 - 16 V	IG ON
7	Unused	-	-
8	Buckle switch (+)	0 - IG voltage	IG voltage when turning the switch to ON
9	Airbag CM communication (-)	0 V	GND
10	Unused	-	-