0210983 JOHNSON OWNERS MANUAL, Ev.

Override Parameters
The override parameters screen has multiple overrides. The parameters control various functions on the engine and Clean Emissions Module (CEM). These functions and features allow the technician to troubleshoot different engine systems.Cat ET Location
Connect to Cat ET.
Select the appropriate ECM.
Select the "Diagnostics" tab.
Select the "Diagnostic Tests" tab.
Select the "Override Parameter" tab. Override Parameters Listed in the Engine ECM Menu
Injection Disable Override
This override is used to turn off the fuel injector circuits in order to stop the engine from running.Override Parameters Listed in the Selective Catalyst Reduction Menu
Aftertreatment #1 DEF Return Valve Override
This override turns on the DEF Return Valve circuit in order to test the return valve and the circuit for proper operation.Aftertreatment #1 SCR Dosing Air Assist Valve Command Override
This override turns on the DEF Air Assist Valve circuit in order to test the air assist valve and the circuit for proper operation.Engine Exhaust NOx Level Sensor Power Supply Override
This override turns on the NOx sensor power supply to the engine out NOx sensor in order to test the power supply circuit and the NOx sensor.Aftertreatment #1 Outlet #1 NOx Level Sensor Power Supply Override
This override turns on the NOx sensor power supply to the engine out #1 NOx sensor in order to test the power supply circuit and the NOx sensor.Aftertreatment #1 Outlet #2 NOx Level Sensor Power Supply Override
This override turns on the NOx sensor power supply to the engine out #2 NOx sensor in order to test the power supply circuit and the NOx sensor.Aftertreatment #1 DEF Manifold Heater Relay Override
This override turns on the DEF manifold heater relay in order to test the power supply circuit and the DEF manifold heater.Aftertreatment #1 DEF Tank Refill Solenoid Override
This override turns on the DEF tank refill valve circuit in order to test the refill valve and the circuit for proper operation.Aftertreatment #1 DEF Pump Heater Command Percentage Override
This override is used to turn the DEF pump heater ON or OFF. The value can be 0 percent or 100 percent only.Aftertreatment #1 DEF Pump Drive Command
This override is used to turn the DEF pump ON or OFF. The value can be 0 percent or 100 percent only.Aftertreatment SCR Catalyst Reagent Line Heater #1 Relay State
This override turns on the DEF line heater relay #1 in order to test the power supply circuit and the DEF line heater high side circuit.Aftertreatment SCR Catalyst Reagent Line Heater #2 Relay State
This override turns on the DEF line heater relay #2 in order to test the power supply circuit and the DEF line heater low side circuit.Aftertreatment SCR Catalyst Tank Heater Relay Override
This override turns on the DEF tank heater relay in order to test the power supply circuit and the DEF tank heater 24VDC and 120 VAC circuit.Service Procedures
The purpose of this screen is to show operator inducement reset. Cat ET Location
Connect to Cat ET.
Select the engine ECM.
Select the "Sevice " tab.
Select the "Service Procedures" tab.
Select the "Operator Inducement Reset". Operator Inducement Reset
Illustration 1 g03861612The "Operator Inducement Reset" allows the user to reset the 40 hour inducement counter to 0 prior to delivery of the product. During commissioning procedures, if faults are created that affect the operation of the emissions system, and the product is then delivered to the customer and another fault occurs, the customer may be forced into inducement early.This "Operator Inducement Reset" allows the user to manually reset the 40 hour inducement timer prior to delivery, allowing the customer to have the full 40 hours leading up to inducement. This reset can only be performed within the first 35 hours of engine operation. After the initial 35 hours of engine operation, this feature can no longer be used.Active Diagnostic Codes
The purpose of this screen is to show all of the active diagnostic codes. Cat ET Location
Connect to Cat ET.
Select the appropriate ECM.
Select the "Diagnostics" tab.
Select the "Active Diagnostic Codes" tab. Tab Functions At Bottom of Screen
Reset All
This tab will reset all of the active codes.Troubleshoot Code
This tab is currently not available for Tier 4 engines. Refer to the Troubleshooting guide.Troubleshoot Symptom
This tab is currently not available for Tier 4 engines. Refer to the Troubleshooting guide.Logged Diagnostic Codes
The purpose of this screen is to show all of the logged diagnostic codes. Cat ET Location
Connect to Cat ET.
Select the appropriate ECM.
Select the "Diagnostics" tab.
Select the "Logged Diagnostic Codes" tab. Tab Functions At Bottom of Screen
Clear
This tab will clear specific codes when highlighted.Clear All
This tab will clear all logged diagnostic codes.