Overview

Engine Fuel Temperature Sensor 1 Circuit - Power Generation

Engines

Engine Fuel Temperature Sensor 1 Circuit - Marine En

Circuit Description

The engine fuel temperature sensor 1 is used by the engine control module (ECM) to monitor engine fuel supply temperature. The ECM monitors the voltage on the engine fuel temperature signal pin and converts this to a temperature value. The engine fuel temperature value is used by the ECM for the engine protection system.

Component Location

The engine fuel temperature sensor 1 is located on the fuel filter housing. Use the following procedure for a detailed component location view. Refer to Procedure 100-002 in Section E.

Shop Talk

All Temperature Sensors

• The resistance of the sensor varies with the temperature. If the sensor is operating properly, the observed reading will be comparable to the values in the following table.

Refer to Troubleshooting Fault Code t05-266.

Last Modified: 29-Nov-2012

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