Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY1992SABLE LS, 4D SEDAN, 3.0 UREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTS - EEC-IVIGNITION SYSTEM IDENTIFICATIONIGNITION SYSTEM ACRONYMS TABLE
1992 Mercury Sable LS, 4D Sedan, 3.0 U
Ignition System Acronyms Table
1992 Mercury Sable LS, 4D Sedan, 3.0 USECTION Ignition System Acronyms Table
IGNITION SYSTEM ACRONYMS
| Acronym (1) | Definition | ||
|---|---|---|---|
| BAT+ Or BAT (+) | Battery Positive | ||
| BAT- Or BAT (-) | Battery Negative | ||
| BOB | Breakout Box | ||
| CBD | Closed Bowl Distributor (TFI-IV) | ||
| CCD | Computer Controlled Dwell (TFI-IV) | ||
| CID | Cylinder Identification | ||
| C1, C2, C3 | Coil Drive (Coils 1, 2 & 3) | ||
| DIS | Distributorless Ignition System | ||
| ECA | Electronic Control Assembly (EEC-Processor, Computer, Processor) | ||
| EDIS | Electronic Distributorless Ignition System | ||
| DPI | Dual Plug Inhibit (High Signal - Right Plugs Fire, Low Signal - Both Sides Fire) | ||
| FTO | Filtered Tach Output | ||
| IDM | Ignition Diagnostic Monitor (Diagnostic Signal To ECA) | ||
| 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) | ||
| PIP | Profile Ignition Pick-Up (Crankshaft Sensor Signal) | ||
| PWR GND | Power Ground Circuit To DIS Or EDIS Module | ||
| SAW | Spark Angle Word | ||
| SPOUT | Spark Output (ECA Spark Control Signal) | ||
| TFI Or TFI-IV | Thick Film Ignition (IV Is 4th Generation) | ||
| VPWR Or VBAT | Battery Power Or Battery Voltage | ||
| VRS Or VR Sensor | Variable Reluctance Sensor (Crankshaft) | ||
|
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.