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Ignition System: Notes

WARNING: This page is about a different car, the 1994 Mercury Sable, 1994 Mercury Cougar, 1994 Lincoln Continental, 1994 Ford Thunderbird, and 1994 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For additional information and descriptions, see IGNITION SYSTEM in THEORY/OPERATION - EEC-IV 3.8L article in the ENGINE PERFORMANCE section.
IGNITION SYSTEM ACRONYMS

Acronym (1) Definition
B + Or B (+) Battery Positive
B- Or B (-) Battery Negative
C1, C2, C3 Coil Drive (Coils 1, 2 & 3)
DI Distributor Ignition System
EI (2) Electronic Ignition (High Data Rate Or Low Data Rate)
FTO Filtered Tach Output
ICM Ignition Control Module
IDM Ignition Diagnostic Monitor (Diagnostic Signal To PCM)
IGND Ignition Ground (Low Current Ground Reference)
KOEC Key On Engine Cranking (Testing Condition)
KOEO Key On Engine Off (Testing Condition)
KOER Key On Engine Running (Testing Condition)
PCM Powertrain Control Module (EEC-Processor, Computer, Processor)
PIP Profile Ignition Pick-Up (Camshaft Position Sensor Signal)
PWR GND Power Ground Circuit To ICM
SPOUT Spark Output (PCM Spark Control Signal)
VPWR Or VBAT Battery Power Or Battery Voltage
(1) Not all circuits and components are used in all systems.
(2) EI is a distributorless ignition system.
IGNITION SYSTEM IDENTIFICATION

Application System
Continental DI
Cougar & Thunderbird
3.8L (1)
3.8L SC (2) EI
Sable & Taurus
3.8L DI
(1) California models equipped with EI (high data rate). Federal models equipped with DI.
(2) High Data Rate.