5000570 JOHNSON ENGINE COVER ASSY.

Table 1
Diagnostic Trouble Codes for the Engine Pressure Sensors    
CDL Code    Description    Notes    
100-3     Engine Oil Pressure Sensor : Voltage Above Normal     The Electronic Control Module (ECM) detects the following conditions:
The signal voltage from the engine oil pressure sensor is greater than 4.8 VDC for more than 8 seconds.
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code. The ECM will set data for engine oil pressure to the default value. The default engine oil pressure is
600 kPa (87 psi). The electronic service tool will display "Voltage Above Normal" on the status screens.    
100-4     Engine Oil Pressure Sensor : Voltage Below Normal     The ECM detects the following conditions:
The signal voltage from the engine oil pressure sensor is less than 0.2 VDC for more than 8 seconds.
The ECM has been powered for at least 2 seconds.
The engine is running or the barometric pressure is greater than
55 kPa (8 psi).
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code. The ECM will set data for the engine oil pressure to the default value. The default engine oil pressure is
600 kPa (87 psi). The electronic service tool will display "Voltage Below Normal" on the status screens.    
274-3     Atmospheric Pressure Sensor : Voltage Above Normal     The ECM detects the following conditions:
The signal voltage for the barometric pressure sensor is greater than 4.8 VDC for at least 8 seconds.
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code.    
274-4     Atmospheric Pressure Sensor : Voltage Below Normal     The ECM detects the following conditions:
The signal voltage for the barometric pressure sensor is less than 0.2 VDC for at least 8 seconds.
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code.    
1797-3     Fuel Rail Pressure Sensor : Voltage Above Normal     The ECM detects the following conditions:
The signal voltage for the fuel rail pressure sensor is more than 4.7 VDC for 0.6 seconds.
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code. The electronic service tool will display "70000 kPa" next to "Desired Fuel Rail Pressure" and "Actual Fuel Rail Pressure" on the status screens.
The engine will be derated.    
1797-4     Fuel Rail Pressure Sensor : Voltage Below Normal     The ECM detects the following conditions:
The signal voltage for the fuel rail pressure sensor is less than 0.67 VDC for 0.6 seconds.
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code.
The electronic service tool will display "70000 kPa" next to "Desired Fuel Rail Pressure" and "Actual Fuel Rail Pressure" on the status screens.
The engine will be derated.    
3387-3     EGR Differential Pressure Sensor : Voltage Above Normal     The ECM detects the following conditions:
The signal voltage for the NOx Reduction System (NRS) differential pressure sensor is more than 4.8 VDC.
The ECM has been powered for at least 0.24 seconds.
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code.    
3387-4     EGR Differential Pressure Sensor : Voltage Below Normal     The ECM detects the following conditions:
The signal voltage for the NRS differential pressure sensor is less than 0.2 VDC.
The ECM has been powered for at least 0.24 seconds.
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code.    
2738-3     Turbocharger #1 Compressor Inlet Pressure Sensor : Voltage Above Normal     The ECM detects the following conditions:
The signal voltage for the low-pressure turbocharger compressor inlet pressure sensor is more than 4.8 VDC.
The ECM has been powered for at least 0.24 seconds.
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code.    
2738-4     Turbocharger #1 Compressor Inlet Pressure Sensor : Voltage Below Normal     The ECM detects the following conditions:
The signal voltage for the low-pressure turbocharger compressor inlet pressure sensor is less than 0.2 VDC.
The ECM has been powered for at least 0.24 seconds.
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code.    
3385-3     EGR Intake Pressure Sensor : Voltage Above Normal     The ECM detects the following conditions:
The signal voltage from the NRS inlet pressure sensor is more than 4.8 VDC for 0.12 seconds.
The ECM has been powered for 2 seconds.
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code.
The ECM will set data for the NRS inlet pressure to the default value. The default value for the NRS inlet pressure is
250 kPa (36.3 psi).    
3385-4     EGR Intake Pressure Sensor : Voltage Below Normal     The ECM detects the following conditions:
The signal voltage for the NRS inlet pressure sensor is less than 0.2 VDC for 0.12 seconds.
The ECM has been powered for 2 seconds.
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code.
The ECM will set data for the NRS inlet pressure to the default value. The default value for the NRS inlet pressure is
250 kPa (36.3 psi).    
2460-3     ARD Fuel Pressure #1 Sensor : Voltage Above Normal     The ECM detects the following conditions:
The signal voltage for the Aftertreatment Regeneration Device (ARD) pilot fuel pressure sensor is greater than 4.7 VDC for at least 2 seconds.
The Engine System Indicator lamp will come on. The ECM will log the diagnostic code. The engine will be derated.
If a regeneration is in progress, the process will be stopped. Future regenerations will be prevented while the