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Home >> Subaru >> 2018 >> WRX Base >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Occupant Detection System (Diagnostics) >> Control Module I/O Signal >> Electrical Specification

Electrical Specification

CAUTION: Never remove the occupant detection control module, occupant detection sensor or seat frame because they are integrated into one unit.
G08316438Courtesy of SUBARU OF AMERICA, INC.
Terminal No. Terminal name Input/Output value Note
1 Airbag CM communication (FSR+) - Communication line
2 Not used - -
3 Not used - -
4 Buckle switch - (BER-) 0 V Switch ground
5 Not used - -
6 IG power supply (IG) 8 - 16 V When ignition SW is ON
7 Not used - -
8 Buckle switch + (BER+) 0 - IG voltage Ignition voltage when the switch is ON
9 Airbag CM communication (FSR-) 0 V GND
10 Not used - -