Explanation Of Terminology

List 

AAI :Air Assist Injection

A/B :Airbag

ABS :Anti-lock Brake System

A/C :Air Conditioner

A/F :Air Fuel Ratio

ALT :Generator

ASSY :Assembly

AT :Automatic Transmission

ATF :Automatic Transmission Fluid

BATT :Battery

CD-R/RW :CD Recordable/Rewritable

CPU :Central Processing Unit

DOHC :Double Overhead Camshaft

DVD :Digital Versatile Disc

ECM :Engine Control Module

EGR :Exhaust Gas Recirculation

ELR :Emergency Locking Retractor

EX :Exhaust

F/B :Fuse & Joint Box

FL :Fusible Link

Ft :Full-time (AWD)

FWD :Front Wheel Drive

GPS :Global Positioning System

H/U :Hydraulic Unit

IG :Ignition

INT :Intermittent

ISC :Idle Speed Control

LH :LH (Left Hand)

LSD :Limited Slip Differential

M/B :Main Fuse & Relay Box

MD :Mini Disc

MFI :Multi Point Injection

MP-T :Multi-Plate Transfer

MT :Manual Transmission

NA :Natural Aspiration

NC :Normal Close (Relay)

NO :Normal Open (Relay)

OP :Option Parts

P/S :Power Steering

P/W :Power Window

PCD :Pitch Circle Diameter

PCV :Positive Crankcase Ventilation

RH :RH (Right Hand)

Rr :Rear

SOHC :Single Overhead Camshaft

SRS :Supplemental Restraint System

SSM :Subaru Select Monitor

ST :Special Tool

SW :Switch

TCS :Traction Control System

TGV :Tumble Generator Valve

T/M :Transmission

ViS-C :Viscous Coupling

VSV :Vacuum Switching Valve

VTD :Variable Torque Distribution

W/H :Wiring Harness

Pr :Primary

2ndr :Secondary