Abbreviations
Abbreviation Definition Abbreviation Definition
AD Analog to Digital INJ Injector
ADC Analog to Digital Counts kPa Kilopascal
Adv Advance KS Knock Sensor
Amp Ampere kV Kilovolt
ASC Advanced Sound Control mA Milliamperes
BARO Barometric Pressure MAF Mass Air Flow
B+ Battery Positive MAP Manifold Absolute Pressure
Cal Calibration MAT Manifold Air Temperature
CAM Camshaft MIL Malfunction Indicator Lamp
CAN Controller Area Network MPI Multiport Fuel Injection
CDS Computer Diagnostic System MPR Main Power Relay
CKT Circuit MY Model Year
CMP Camshaft Position (Sensor) O2 Oxygen
CPS Crankshaft Position Sensor PCM Propulsion Control Module
Crank Crankshaft PCV Positive Crankcase Ventilation
Diag Diagnostic PWM Pulse Width Modulation
DMM Digital Multimeter REF HI Reference High
DMT Digital Multimeter/Tachometer REF LO Reference Low
DTS Digital Throttle and Shift RPM Revolutions per Minute
DVOM Digital Volt ‑ Ohmmeter Rx Receiver
ECM Engine Control Module SOH State of Health
ECT Engine Coolant Temperature SS Steady State
EFI Electronic Fuel Injection Stbd Starboard
EGT Exhaust Gas Temperature TACH Tachometer
EMCT Exhaust Manifold Coolant Temperature Tbl Table
ERC Electronic Remote Control TDC Top Dead Center
ESC Electronic Shift Control TPS Throttle Position Sensor
EST Electronic Spark Timing UEGO Universal Exhaust Gas Oxygen
ETC Electronic Throttle Control uX Micro Chi (DTS command module)
GND Ground V Volt
IAC Idle Air Control WOT Wide‑Open Throttle
IAT Intake Air Temperature XDRP Sensor Power (transducer power)
In. Hg Inches of Mercury
Glossary, Reference Charts, and Conversions
Page 1D-4 © 2018 Mercury Marine 90-8M0146617 eng JULY 2018
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