IK1201387 Service Bulletin/Repair Instructions

IK1201387 - CPA Snapshot Viewer: Air Management Test (AMT)
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Countries:
CANADA, UNITED STATES Document ID: IK1201387
Availability:
ISIS, NotSIR
Revision:
3
Major System:
ENGINES
Created:
8/11/2017
Current Language: English
Last Modified: 9/25/2019
Other Languages: NONE
Author:
Viewed:
Mark Ehlers
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Title : CPA Snapshot Viewer: Air Management Test (AMT)

Applies To : EPA 2010­2013 MF DT/9/10. 2010­2012 MF 11/13L
CHANGE LOG

09/25/2019- Information on BB error w/ NED update

01/17/2018- Removed Applies to for N9 & N10

12/14/2017- Initial Article Release

11/6/2017-updated applies to and symptom/fault codes

08/11/2017- Draft started



DESCRIPTION:

This document describes the process for utilizing the CPA Snapshot Viewer Air (SSV) Management Test (AMT)
If experiencing errors please refer to the MISC section at the bottom of this article

Note: SSV- AMT does not issue a Warranty Authorization Code (WAC)
CPA Snapshot Viewer AMT Applies To:

Engine Platform
Emission Year
Emission Model
MED
2010-2013
MaxxForce DT/9/10
HD
2010-2012
MaxxForce 11/13L
Software Release:

Version Change Description
Release Date
9.0.1.0
12/15/2017
Snapshot Viewer: MED Air Management Test (AMT) Release
Software must always be current. Refer to the CPA Resource Article
SYMPTOM(s)/ FAULT CODE(s):

Symptom

Engine Unable To Reach Rated Speed (No Load)

Low Power

Frequent Regens

Fault Code Description (MED)
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IK1201387 - CPA Snapshot Viewer: Air Management Test (AMT)
2659-10
EGR Slow Response
2659-14
EGR System flow rate error during Air Management Test
2659-20
EGR High Flow Rate Detected
2659-21
EGR Low Flow Rate Detected
3719
DPF Related Faults
3939
Aftertreatment Related Faults
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TEST DESCRIPTION:

Engine Platform Application
Test
DT466
AMT
DT570
AMT
Notes
The CPA SSV module performs a data analysis of a Navistar Engine Diagnostics (NEDs) snapshot recording. The SSV-AMT is a sub-module that

performs a data analysis of an Air Management Test (AMT) snapshot recorded with NEDs. SSV-AMT is to provide diagnostic guidance based on the

data recorded.
INSTRUCTION:
Press folder icon:
Select desired snapshot:
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IK1201387 - CPA Snapshot Viewer: Air Management Test (AMT)
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Note: Ensure the file selected is a SLK file and an Air Management Test

Test Type List> Select Medium Duty> I6 AMS Test
Press Analyze Snapshot
1- Yellow Vertical Cursor can be moved left and right

2- As Yellow Vertical Cursor moves> The data is populated in number value

3- Error Name> Click on Fault

4- Error Description> Populates detailed information on the fault (See Examples of SSV-AMT Messages Below)
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IK1201387 - CPA Snapshot Viewer: Air Management Test (AMT)
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Examples of SSV-AMT Error Descriptions:

Error Name
Error Description
Incorrect engine

speed profile
Review engine speed value, make sure the correct snapshot has been selected.
Incorrect EGR CTRL
Check for Aftertreatment related DTC to be active during the test. An active AFT related DTC will cause the ECM to cancel all

EGR valve operation even during a commanded test such as the AMS test or high output test
Incorrect EGRV

position
Inspect EGR valve position signal and address as required
MAF high point A

reading is too high
Incorrect engine, displacement, or torque designation was selected
MAF mean

difference is too

small
If the EGR valve did change from fully closed to fully open during the AMS test and the change in the MAF mean value was

not great enough the test will fail and set the 2659:14 DTC. This is the only DTC that the AMS test will set regardless of the

issue that caused the MAF mean value not to have a great enough change
MAF low point B

reading is too low
Incorrect engine, displacement, or torque designation was selected
MAF low point B

reading is slightly too Inspect for a restricted EGR air circuit (EGR valve, mixer housing, crossover pipe, and EGR cooler).

high

MAF low point B

reading is too high
Inspect for a restricted EGR air circuit (EGR valve, mixer housing, crossover pipe, and EGR cooler). If this is the same as the

MAF Mean value in the first half of the test check to see if the EGR valve is opening. Keep in mind that an active Aftertreament

related DTC will cause the EGR valve operation to be canceled, even during a commanded test.
MAF high point A

Inspect for an air inlet restriction. This can be anything from the air inlet on the hood to the intake manifold and can include a

reading is slightly too

stuck open or misadjusted wastegate for the HP turbo

low

MAF high point A

reading is too low
Inspect for an air inlet restriction. This can be anything from the air inlet on the hood to the intake manifold and can include a

stuck open or misadjusted wastegate for the HP turbo. This should also be accompanied by low boost during the first half of

the test
Boost Pressure is

too low
This should be accompanied by a low MAF mean value in the first half of the test and would suggest an air inlet restriction.

This can be anything from the air inlet on the hood to the intake manifold and can include a stuck open or misadjusted

wastegate for the HP
MISC
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IK1201387 - CPA Snapshot Viewer: Air Management Test (AMT)
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When attempting to analyze a 2010-2012 MF 11/13L AMT (Air Management Test) recording the following error may pop up:
This is due to a recent update in Navistar Engine Diagnostics (NED) where the .SLK file is reformatted and does not allow CPA SSV to process the

file. There will be a NED update that will address the issue.

The temporary solution:

1. Open the corresponding .SLK file

2. Delete ROW 1

3. Ensure there is an EMPTY ROW between the Vehicle Information and the IDs

4. Save the file

5. Open CPA SSV and analyze the new formatted .SLK file
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Copyright © 2019 Navistar, Inc.
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