Navistar MaxxForce DT Diagnostic Manual page 13

To prevent personal injury or death, do not exceed local speed limit laws or drive too fast
for conditions when performing 0 to 60 MPH Test.
NOTE – Intake Manifold Pressure (IMP) can vary based on ECM calibration and vehicle weight. Using
Electronic Service Tool (EST) with ServiceMaxx™ software, monitor turbocharger wastegate operation
to verify low boost.
Step
2A Check for engine performance issues. Perform 0 to 60 MPH Test procedure
below:
1. Using EST, go to Sessions > Performance.
2. Find an open stretch of road, where minimum speed limit is
3. Pull over to the side of the road.
4. When driving conditions are safe and vehicle has reached
5. Press accelerator pedal fully to the floor, and accelerate from 0
After 0 to 60 MPH Test is complete, stop recording and save snapshot.
Action
50 mph or higher.
normal operating temperature, select the record snapshot icon
from the toolbar.
mph to max allowed highway speed.
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WARNING
DIAGNOSTIC MANUAL
Decision
Go to step 2B
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