Fuel Control: Notes
ECM controls fuel system based upon sensor input signals. 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 Switch | G20 | ||
| Power Steering Pressure Switch | G20 | ||
| Throttle Position Sensor | G20 | ||
| Vehicle Speed Sensor | G20 | ||
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