76 3 DIAGNOSTIC SOFTWARE OPERATION
1. Select D_OutputStateTest.ssn from the open
session file window.
Figure 69 Output State High tes
t
2. Select Diagnostics from th
emenubar.
3. Select Key-On Engine-Off T
ests from the drop
down menu.
NOTE: When using the EST to d
oKOEOorKOER
diagnosti c tests, Stand
ard test is always selected
and run fi rst. If the igni
tion switch is not cycle d, the
Standard test does not
have to b e run again.
4. From the KOEO Diagnosti
cs menu, select Output
State Test High and Run
to start the test.
5. Toggle between the Ou
tput State Test Low and
the Output State Tes
t High. Listen and observe
actuator control or
circuit operation.
Figure 70 Close session
6. When finished with this test, select Session from
menu bar, then Close.
Glow Plug/Inlet Air Heate r Output Stat e Test
NOTE: ThistestcanonlybedonewiththeEST;
MasterDiagnostics® software is required.
The Glow Plug/Inlet Air Heater Output State test
allows the technician to determine if the Inlet Air
Heater System is operating co rre ctly.
The inlet air heater relay operation is activated for
30 seconds. A DMM and current clamp are used to
measure the time the relay is on and the amperage
that is drawn for the inlet air heater.
Figure 71 Output State Test Session
1. Se lect D_ O ut putS ta
teTest.ssn from the open
session file window.
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.
To Next Page
Loading...
Need help?
General