Ignition System: Notes
WARNING: This page is about a different car, the 1994 Mercury Grand Marquis, 1994 Lincoln Town Car, 1994 Lincoln Mark VIII, and 1994 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
IGNITION SYSTEM ACRONYMS
| Acronym |
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 |
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 |
IGNITION SYSTEM IDENTIFICATION
| Application |
System |
| Crown Victoria, Grand Marquis & Town Car |
EI |
| Mark VIII |
EI |