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Electrical Specification

CAUTION: Never disassemble or disconnect the control module, load cell sensor or coupling harness, since each component of occupant detection system is assembled as seat frame assembly. (Disconnection from body harness connector, and disconnection of side airbag and buckle switch are OK.)
TERMINALS REFERENCE

Terminal name Terminal No. Input/Output value Remarks
Battery voltage 26 9 - 16V Always
Ignition - SW 12 9 - 16V When ignition switch ON
Airbag control module communication (COM) 13 Open collector terminal Communication line
Airbag control module communication (GND) 24 0V Communication line
Load cell sensor 1 (Vcc) 8 5V Load cell sensor power supply
(Vout) 7 0.5 - 4.5 V Sensor output voltage
(GND) 20 0V Sensor ground
Load cell sensor 2 (Vcc) 6 5V Load cell sensor power supply
(Vout) 5 0.5 - 4.5 V Sensor output voltage
(GND) 18 0V Sensor ground
Load cell sensor 3 (Vcc) 4 5V Load cell sensor power supply
(Vout) 3 0.5 - 4.5 V Sensor output voltage
(GND) 16 0V Sensor ground
Load cell sensor 4 (Vcc) 2 5V Load cell sensor power supply
(Vout) 1 0.5 - 4.5 V Sensor output voltage
(GND) 14 0V Sensor ground
Buckle switch 9 Unbelted: 4 - 7 mA
Belted: 12 - 18 mA
Buckle switch output value
Buckle switch (GND) 22 0V Switch ground
Subaru Select Monitor communication 11 Serial communication