Navistar International DT 466 Diagnostic/Troubleshooting Manual page 84

80
expected. The ECM monitors the feedback signal
values from the Exhaust Back Pressure (EBP) sensor
and compares those values to the expected values.
If a fault is detected the test will end, engine operation
will return to normal, and a DTC will be set.
If there are no faults, the test will be completed and
engine operation will return to normal.
Figure 80 Air Management session
1. With the engine
D_KOER_AirManagement.ssn
open session file window and select OPEN to
open the session.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
3 DIAGNOSTIC SOFTWARE OPERATION
running, select
from the
EGES-270-1
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
Figure 81 Air Management test
2. Select Diagnostics from the menu bar.
3. Select Key-On Engine-Running Tests from the
drop down menu.
NOTE: When using the EST to do KOEO or KOER
diagnostic tests, Standard test is always selected
and run first. If the ignition switch is not cycled, the
Standard test does not have to be run again.
4. From KOER Diagnostics menu,
Management and Run to start the test.
5. Correct problem causing active DTCs.
6. Clear DTCs.
Figure 82 Close session
select Air