Terminology

These are some of the common terms and abbreviations used within our industry, many are linked to internal or external sources for further explanation.

BOMBill of Materials
CANController Area Network, most commonly used interface between ECUs
ConsoleThe centre console assembly in a vehicle (Front or Rear)
Cockpit / IPInstrument panel – The complete dashboard assembly in a vehicle
DOIPDiagnostics over IP, using Ethernet as the transport layer for the ODB functions
DTCDiagnostic Trouble Code – OEM Fault Code from ECU
ECM / ECUElectronic Control Module (Electronic Control Unit), within a vehicle or sub-assembly
EOLEnd of Line (where many of Sorions Electrical Test systems are deployed)
ETSElectrical Test Station
ETestElectrical Test
FAMForce Application Machine, used to calibrate OCS and ODS systems in seats
FlexRayHigh performance and high integrity interface between ECUs
InfotainmentThe overall Radio / Sat Nav / CD / TV / Media system in a vehicle
J1962On Board Diagnostics Connector fitted within the passenger compartment of the vehicle
LINLocal Interconnect Network, low cost and low speed interface e.g. switch pack to ECU interface
MOSTMedia Oriented System Transport, optical high speed interface used in infotainment systems
MSMQMicrosoft Message Queue
NASNorth American Specification
OBDOn Board Diagnostics, the means that an external system can communicate / diagnose a vehicle
OCSOccupancy Classification System, system used to catagorise the occupant of a passenger seat, calibrated in Sorion FAMs
ODSOccupancy Detection System, system used to detect the presence of an occupant in a passenger seat
ODSTOn Demand Self-Test
OPCOpen Platform Communications (e.g. Kepware)
PLPPyrotechnic Lap Pretensioner
PSi5Peripheral Sensor Interface, used to communicate from sensors (e.g. Airbag crash sensors) to ECUs within the vehicle
PWMPulse Width Modulation – A mechanism of speed or power control on electrical devices.
Rugged ConnectorA machined connector designed for a high insertion rate in an industrial environment, populated with gold plated sprung pins for good electrical connection
RoWRest of World
SRSSupplementary Restraints System, the overall airbag system in a vehicle
TPSTrack Position Sensor
UPSUninterruptable Power Supply – Used to protect equipment from power failures
UUTUnit Under Test
VCi4Versatile Communications interface, Sorions CAN and LIN interface