Service
i06021029
Service Tool Features
Override Parameters
The override parameters screen has multiple
overrides. The parameters control various functions
on the engine and the aftertreatment. These functions
and features allow the technician to troubleshoot
different engine systems.
Navigate to the following menu options in the
electronic service tool in order to access the
“
Override Parameters
”
:
• Diagnostics
• Diagnostic Tests
• Override Parameters
Glow Plug Starting Aid Override
This override is used to check that the glow plugs are
functioning correctly. The override will remain active
until switched off using the electronic service tool.
Active Diagnostic Codes
The purpose of this screen is to show all of the active
diagnostic codes.
In the electronic service tool, select the engine ECM.
Select the
“
Diagnostics
”
tab.
Select the
“
Active Diagnostic Codes
”
tab.
Logged Diagnostic Codes
The purpose of this screen is to show all of the logged
diagnostic codes. Logged diagnostic codes will be
cleared from the
“
Logged Diagnostic Codes
”
screen
when the code has not been active for 40 hours.
In the electronic service tool, select the engine ECM.
Select the
“
Diagnostics
”
tab.
Select the
“
Logged Diagnostic Codes
”
tab.
Diagnostic Tests
Electronic service tool diagnostic tests are listed
below.
Select the
“
Diagnostics
”
tab.
Select the
“
Diagnostic Tests
”
tab.
Cylinder Cutout
This test can disable individual cylinders to while the
engine is running to help identify cylinders that are
performing below the required level.
Click
“
Change
”
for an individual cylinder in order to
switch off that cylinder manually. This test can be
used to identify faults by listening to the sound of the
engine as a cylinder is disabled. If there is no change
in the sound of the engine as a cylinder is disabled,
this may indicate a fault in that cylinder.
Fuel Rail Pressure Test
This test raises the fuel pressure in the high-pressure
fuel rail to 180000 kPa (26107 psi) for 1 minute at
1300 rpm.
After this test has been run, and the fuel pressure has
been allowed to drop to a safe level, the fuel system
can be inspected for signs of leakage.
Calibrations
In the electronic service tool, go to the following menu
options:
Select the
“
Service
”
tab.
Select the
“
Calibrations
”
tab.
Calibrations Listed in the Engine ECM
Menu
Injector Codes Calibration
Whenever an injector is replaced, the injector must be
trimmed. Trimming the injector calibrates all of the
injectors to deliver the same amount of fuel. The
Injector Codes Calibration allows the injector trim
code information to be programmed into the ECM.
After the injector is calibrated, the calibration data is
checked for validity.
When new injectors are installed, record the serial
numbers of each injector and input using the
electronic service tool. Refer to Troubleshooting,
“Injector Code - Calibrate” for more information.
Component Replacement Resets
In the electronic service tool, go to the
“
Service
”
menu.
Oxidation Catalyst Replacement Reset
Use this reset when the Diesel Oxidation Catalyst
(DOC) is replaced.
Lambda Sensor Replacement Reset
Use this reset when the oxygen sensor is replaced.
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This document has been printed from SPI2. NOT FOR RESALE