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Home >> Volvo >> 2009 >> S80 Base >> Repair and Diagnosis >> Restraints >> Passive Restraints >> Occupant Weight Sensor (OWS) And Supplemental Restraint System Module (SRS) - Specifications, Electrical/Electronic >> Occupant Weight Sensor (OWS) >> Signal Specification

Signal Specification

General 

All values specified below are between the relevant terminal and terminal #9 (power ground).

U= DC voltage in volts (V)    
Ubat = Battery voltage (V)    
Ulow = Voltage approximately 0 V    
       
Fig 1: Identifying 10-Pin Connector
GLL147440Courtesy of VOLVO CARS CORPORATION
TABLE OF SIGNALS, 10-PIN CONNECTOR

Terminal number  Connector marking  Signal type  Ignition on (ignition position II or III) 
#1 F CAN_L, internal CAN-network During communication the voltage is 0.5 - 2.5 V.
#2 G Power supply, occupant weight sensor (OWS) Ubat
#3 H Signal ground, pressure sensor Ulow
#4 J Power supply, pressure sensor 4.8-5.2 V
#5 K Signal, pressure sensor -
#6 A Signal, seat belt force sensor -
#7 B Power supply, seat belt force sensor 4.8-5.2 V
#8 C Signal ground, seat belt force sensor U low
#9 D Power ground, occupant weight sensor (OWS) U low
#10 E CAN_H, internal CAN-network During communication the voltage is 2.5-4.5 V.