Electronic Control System Signature, ISX and QSX15 Engines – FAULT CODE 582

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Overview

Fuel Inlet Restriction Sensor Circuit SMALL | MEDIUM | LARGE

Circuit Description

The fuel inlet restriction sensor provides a fuel pressure signal to the electronic control module (ECM).

Component Location

The fuel inlet restriction sensor is located on the fuel filter head.

Shop Talk

• This fault indicates that the voltage at signal pin 28 on the ECM is out of specification.
• The ECM provides a supply voltage of (+) 4.75 to 5.25 VDC. The sensor signal voltage to the ECM is from (+) 4.16 to 4.83 VDC.
• A quick check to determine if the sensor is functioning is to measure the pin-to-pin resistance of the sensor.

Refer to Troubleshooting Fault Code t05-582.