Equus 3145 - Digital Ford Code Reader (1981 - 1995) - Manual (Page 90)

Glossary
GLOSSARY OF TERMS AND ABBRREVIATIONS
87 Chapter 6
VM – Vane Meter or air flow meter.
VSS – Vehicle Speed Sensor.
WOT – Wide Open Throttle or Wide Open Throttle switch.
ZONED VACUUM SWITCHES – 3 switches used on Ford
MCU system that provides input signals to MCU, regarding
engine load.
6