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Home >> Nissan-Datsun >> 1998 >> Sentra Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Controls - System/Component Tests 3.0) >> Fuel System >> Fuel Control >> Notes
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Fuel Control: Notes

WARNING: This page is about a different car, the 1997 Infiniti I30. However, it is still accessible from the selected car via links, so may be relevant.

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
Battery Voltage I30
Closed Throttle Position Switch I30
Crankshaft Position Sensor I30
EGR Temperature Sensor I30
Engine Coolant Temperature I30
Heated Oxygen Sensor I30
Ignition (START) Signal I30
Mass Airflow Sensor I30
Park/Neutral Switch (1) I30
Power Steering Pressure Switch I30
Throttle Position Sensor I30
Vehicle Speed Sensor I30
(1) Signal received from transmission control unit.