Fuel Control: Notes
ECM controls fuel system based upon sensor input signals. See FUEL CONTROL SYSTEM INPUT SIGNALS table. If feedback system does not function properly, check input signals before replacing ECM.
FUEL CONTROL SYSTEM INPUT SIGNALS
| Application | Model Usage | ||
|---|---|---|---|
| A/C Clutch Signal | G20 | ||
| Battery Voltage | G20 | ||
| Crankshaft Position Sensor | G20 | ||
| EGR Temperature Sensor | G20 | ||
| Engine (Coolant) Temperature | G20 | ||
| Heated Oxygen Sensor | G20 | ||
| Ignition (START) Signal | G20 | ||
| Mass Airflow Sensor | G20 | ||
| Neutral Switch | (1) G20 | ||
| Park/Neutral (Inhibitor) Switch | G20 | ||
| Power Steering Pressure Switch | G20 | ||
| Throttle Position Sensor | G20 | ||
| Vehicle Speed Sensor | G20 | ||
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