Equus 3145 - Digital Ford Code Reader (1981 - 1995) - Manual (Page 80)

Glossary
INTRODUCTION
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INTRODUCTION
The Society of Automotive Engineers has issued a Standard
(SAE J1930) for Electrical/Electronic Systems Diagnostic
Terms, Definitions, Abbreviations, and Acronyms. However, at
the present time, this Standard is not in wide use by vehicle
manufacturers.
This Glossary contains definitions for abbreviations and terms
you may find in this manual or in your vehicle service manual.
These definitions may not agree with those contained in SAE
J1930.
GLOSSARY OF TERMS AND ABBREVIATIONS
4EAT – Ford electronic automatic 4 speed transaxle.
A/C – Air Conditioning.
A4LD – Ford automatic 4 speed lock-up converter drive.
AAC – Auxiliary Air Control Valve.
ABS – Anti-Lock Brake System.
ACC – Air Conditioning Clutch compressor signal input to
computer relating status of air conditioning clutch.
ACCS – Air Conditioning Cycling Switch.
ACD – Air Conditioner Demand switch.
ACT – Air Charge Temperature sensor or signal circuit.
ACV – (Thermactor) Air Control Valve.
AIR – Secondary air injection (formerly thermactor).
AIR BPV – Thermactor Air Bypass Valve.
AM1 – Thermactor Air Management (TAB).
AM2 – Thermactor Air Management (TAD).
AMBIENT TEMPERATURE – Temperature of air
surrounding vehicle being serviced.
ANTI-BFV – Anti-Backfire Valve.
AOD – Automatic Over Drive transmission.
ATDC – After Top Dead Center.
AVOM – Analog Volt/Ohm Meter.
AXOD – Automatic Overdrive transaxle.
AXOD-E – Automatic Overdrive transaxle, electronically
controlled.
BAC – Bypass Air Control valve.
BARO – Barometric Pressure.
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