GASKET 6N7263 - Caterpillar

Note: With the release of Tier 4 Final engines, more emissions control system components have been added to the engine to reduce the NOx output. The most recent version of the electronic service tool must be used when connecting to the ECM. Refer to Troubleshooting, "Electronic Service Tools" for instructions on correctly setting up the computer and the adapter for use on Tier 4 applications.Override Parameters
The override parameters screen has multiple overrides. The parameters control various functions on the engine. These functions and features allow the technician to troubleshoot different engine systems.In the electronic service tool, select the engine ECM for the required override.Override Parameters Listed in the Engine ECM Menu
Start Aid Relay Override
This override is used to check that the glow plugs are functioning correctly. The override requires that engine speed must be zero. The override will be unavailable for a short duration if ether injection is active.EGR Valve Control Override
This override is used to check that the NRS valve is functioning correctly. The override requires that engine speed must be zero.Intake Throttle Valve Override
This override is used to check that the intake throttle valve is functioning correctly. The override requires that engine speed must be zero.Active Diagnostic Codes
The purpose of this screen is to show the active diagnostic codes. Only six active codes can be displayed. The displayed codes must be cleared before further active codes can appear on the display.In the electronic service tool, select the engine ECM.Select the "Diagnostics" tab.Select the "Active Diagnostic Codes" tab.Tab Functions At Bottom of Screen
Reset All
This tab will reset all the logged codes.Logged Diagnostic Codes
The purpose of this screen is to show all the logged diagnostic codes.In the electronic service tool, select the engine 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.Active Event Codes
The purpose of this screen is to show all the active event codes.In the electronic service tool, select the engine ECM.Select the "Diagnostics" tab.Select the "Events" tab.Logged Event Codes
The purpose of this screen is to show all the logged event codes.In the electronic service tool, select the engine ECM.Select the "Diagnostics" tab.Select the "Events" tab.Select the "Logged Events" 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.Diagnostic Tests
Electronic service tool diagnostic tests are listed below.In the electronic service tool, select the engine ECM.Select the "Diagnostics" tab.Select the "Diagnostic Tests" tab.Diagnostic Tests Listed in the Engine ECM Menu
Cylinder Cutout Test
The cylinder cutout test allows one cylinder or multiple cylinders to be cut out. The cylinder cutout test is useful when troubleshooting poor engine performance or a suspected electronic unit injector failureThe process involves cutting out power and restoring power to a selected cylinder. The remaining powered cylinders are then monitored for expected increases in delivered fuel volume. If the fuel volume does not increase, the cylinder that was not powered was not working prior