Navistar MaxxForce DT Diagnostic Manual page 20

DIAGNOSTIC MANUAL
Step
11 Perform Standard Test to verify all engine systems are operating as
designed. Verify engine coolant temperature is greater than 158°F (70°C).
Using EST with ServiceMaxx™ software, go to Tests > KOER Tests >
Standard Test.
Does Standard Test run and pass?
Step
12 Perform the following MAF Sensor Calibration procedure to accommodate
for system repairs:
1. Verify engine coolant temperature is greater than 180°F (82°C),
2. Using EST with ServiceMaxx software, go to Tests > and
3. Go to Sessions > Performance and select the record snapshot
4. Go to procedures > KOER Procedures > MAF Sensor
5. After MAF Sensor Calibration is complete, stop recording.
6. Turn the ignition switch to the OFF position for a minimum of
7. Repeat steps 3 through 5 to complete second MAF Sensor
Does MAF Sensor Calibration procedure run and pass?
16
Action
Action
and lube oil temperature is greater than 176°F (80°C).
deselect Load Test Specific Session.
icon from the toolbar.
Calibration.
30 seconds.
Calibration.
https://www.truck-manuals.net/
Decision
Yes: Go to step
12
No: Diagnose
and repair active
fault code(s)
(see Electronic
Control System
Diagnostics
section in Engine
Diagnostic
Manual).
Decision
Yes: Diagnostics
complete
No: Go to
Performance
Diagnostics
section in Engine
Diagnostic
Manual.