3 DIAGNOSTIC SOFTWARE OPERATION 79
Figure 77 Continuous Monitor session
1. With the engine running, select
D_ContinuousMonitor.ssn from the open
session file window.
Figure 78 Continuous Monitor test
2. Select Diagnostics from the menu bar.
3. Select Key-On Engine-Running Tests from the
drop down menu.
4. From the KOER Diagnostics menu, select
Continuous Monitor and select Run to start
the te s t.
WARNING: To avoid serious personal injury,
possible death, or damage to the engine or
vehicle, be careful to avoid rotating parts (belts
and fan) and hot engine surfaces.
5. Wiggle connectors and wires at all suspected
problem locations. If circuit continuity is
interrupted, the EST will d isp la y DTCs related to
the condition.
6. Correct problem causing active DTCs.
7. Clear DTCs.
Figure 79 C lose session
8. When finished with this test, selec t Session from
menu bar, then Close.
Air Management Test
NOTE: Before doing this test, Performance
Diagnostics tests 1 through 12 should be completed.
Problems with oth er systems (injectors, fuel supply,
etc.) can affect Air Management test results.
NOTE: The Air Management test can only be
done with th e EST; MasterDiag nostics® software
is required. The Standard test must be done before
doing the Air Management test.
The Air Management test checks the operation of the
Air M anagement System and the following:
• EVRT® electronically controlled turbocharger -
International’s version of a Variable Geometry
Turbocharger (VGT)
• Exhaust Gas Recirculation (EGR) valve
During the Air Management test, the ECM commands
the VGT con trol act ua tor and EGR actuator through
a step test sequence to determine if actuators and
the A ir Management System are performing as
EGES-270-1
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
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