Electronic Control System Signature, ISX and QSX15 Engines – FAULT CODE 298 (INDUSTRIAL)

OEM Pressure Sensor Circuit


Fault Code: 298
PID: S223
SPN: 1084
FMI: 4/4
LAMP: Yellow

Low voltage detected at the OEM pressure sensor signal pin of the 31-pin OEM connector.

No engine protection for OEM pressure.

OEM Pressure Sensor Circuit

Circuit Description

The OEM sensor signal is used by the ECM to monitor the OEM pressure. The OEM pressure is used by the ECM for the engine protection system. A sensor that has failed low can be caused by a short circuit to ground on the signal wire, or an internally grounded (faulty) sensor.

Component Location

The location varies with the OEM. Use the OEM troubleshooting and repair manual.

Shop Talk

The resistance of all pressure sensors varies with the pressure. Use the OEM troubleshooting and repair manual for specifications.

Refer to Troubleshooting Fault Code t05-298.

Last Modified:  26-Oct-2010