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DIAGNOSTIC MANUAL
Step
13
Verify exhaust gas temperatures are within specification.
1.
ServiceMaxx™ software, go to Sessions > Performance
and select the record snapshot icon from the toolbar.
2. Go to Tests > KOER Aftertreatment Tests > Onboard
Filter Cleanliness Test.
When OBFCT is complete, stop recording. Use the playback
feature and graph the following signal values from OBFCT:
Signal Values:
•
Diesel Oxidation Catalyst Inlet Temperature (DOCIT)
•
Diesel Particulate Filter Inlet Temperature (DPFIT)
•
Diesel Particulate Filter Outlet Temperature (DPFOT)
•
DPF Soot Load
Compare snapshot to Graph 5, 6, and 7 page 57.
Which graph does snapshot most closely match?
40
Action
Using Electronic Service Tool (EST) with
https://www.truck-manuals.net/
Decision
Graph 5: Diagnostics complete
Graph 6: Go to step 14
Graph 7: Go to step 16
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