Ignition Systems: Notes
NOTE:
For additional information and descriptions, see IGNITION SYSTEMS in appropriate THEORY & OPERATION
- ECC-IV article in the ENGINE PERFORMANCE section below.
- THEORY/OPERATION - EEC-IV (for Aerostar)
- THEORY/OPERATION - EEC-IV (for Explorer)
IGNITION SYSTEM ACRONYMS(1)
| Acronym | Definition | ||
|---|---|---|---|
| BAT+ Or BAT (+) | Battery Positive | ||
| BAT- Or BAT (-) | Battery Negative | ||
| BOB | Breakout Box | ||
| CCD | Computer Controlled Dwell | ||
| CID | Cylinder Identification | ||
| C1, C2, C3 | Coil Drive (Coils 1, 2 & 3) | ||
| DI | Distributor Ignition System | ||
| EI | Electronic Ignition System (Distributorless) | ||
| ICM | Ignition Control Module | ||
| IDM | Ignition Diagnostic Monitor (Diagnostic Signal To PCM) | ||
| IGN GND | 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 | ||
| PIP | Profile Ignition Pick-Up (Crankshaft Sensor Signal) | ||
| PWR GND | Power Ground Circuit | ||
| SPOUT | Spark Output (PCM Spark Control Signal) | ||
| VPWR Or VBAT | Battery Power Or Battery Voltage | ||
|
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IGNITION SYSTEM IDENTIFICATION
| Application | System |
|---|---|
| 4.0L | EI High Data Rate |