IK1201363

IK1201363 ­ CPA Injector Misfire Detection
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Countries:
UNITED STATES, MEXICO Document ID: IK1201363
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2
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Created:
3/23/2017
Current Language: English
Last Modified: 6/27/2017
Other Languages: NONE
Author:
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Marcelo Sahagun
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Title : CPA Injector Misfire Detection
Applies To : EPA 2004-2006 DT 466/570-- EPA 2007-2009 MF DT/9/10-- EPA 2010-2013 MF DT/9/10-- EPA 2014-2017
N9/ N10
CHANGE LOG
Please refer to the change log text box below for recent changes to this article:
06/23/2017- Included 04 and 07 emission diag steps
05/16/2017 - Initial Article Release
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
DESCRIPTION:
This document describes the process for utilizing the CPA Injector Misfire Detection
CPA Injector Misfire Detection Apply To:
Emission
Year
Emission
Model
2004­2006
DT 466/ 570
2007-2009
MF DT/ 9/ 10
2010­2013
MF DT/ 9/ 10
2014-2017
N9/ N10
Description
2013 HD OBD engines must have calibration level EER5 or later in order to perform Full Load to Highway Speed Test. Ignore
637­10 code if found in engine after CPA used
Note: ALL previous MaxxForce 7 injector diagnostic tests should follow the Base Engine Analysis Module (BEAM)
IDLE Test
Software Release:
Version
Change Description
2.0.0.148
1.0.0.329
Warranty Authorization Code (WAC) for 2 injectors in
Injector Misfire Detection
MED Duty Injector Misfire Detection Launch
Release Date
09/25/2013
03/20/2012
Software must always be current. Refer to the CPA Resource Article
SYMPTOMS/ FAULT CODE(s)
Follow the FCAP/ Fault Code Diagnostics/ Symptom Based Diagnostics from the appropriate Engine Diagnostic Manual.
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IK1201363 ­ CPA Injector Misfire Detection
DTC/Light
Description
SPN and FMI dependent on Engine Model
Description dependent on Engine Model
Symptom
Description
Page 2 of 6
Engine Misfire
Rough Idle
Low Power
Engine Model
Diagnostic Fault Codes (Status Active or Inactive)
Diagnostics to Perform
EPA 2007 Maxxforce DT/ 9/ 10
• 8001-6, 8002-6, 8003-6, 8004-6, 8005-6, 8003-6-Injector Closed Coil-Open Circuit
• 8001-5, 8002-5, 8003-5, 8004-5, 8005-5, 8003-5-Injector Open Coil-Open Circuit
• 8001-4, 8002-4, 8003-4, 8004-4, 8005-4, 8003-4-Injector Open Coil-Short Circuit
• 8001-3, 8002-3, 8003-3, 8004-3, 8005-3, 8003-3-Injector Close Coil-Short Circuit
• 8151-5-Bank A Injector Open Coil Short
• 8151-6-Bank A Injector Close Coil Short
• 8152-5-Bank B injector Open Coil Short
• 8152-6-Bank B-Injector Close Coil Short
1. Perform Injector Misfire Detection
EPA 2007 Maxxforce DT/ 9/ 10
• 8001, 8002, 8003, 8004, 8005, 8006-1-Cylinder Balance Below Minimum Limit
• 8001, 8002, 8003, 8004, 8005, 8006-0-Cylinder Balance Maximum Limit Exceeded
1. Perform EPA 2007 System Diagnostics (below)
EPA 2004 DT466/ 570
• 421-428-High Side to Low Side Open
• 431-436-Hgh Side Shorted to Low Side
• 451-456-High Side Shorted to Ground or Vbat
• 513­Low Side to Bank 1 Open
• 514­Low Side to Bank 2 Open
• 515-Bank 1 Low Side Short to Ground
• 521-Bank 2 Low side Short to Ground
1. Perform Injector Misfire Detection
EPA 2004 DT466/ 570
Misfire/ Rough Running
1. Perform EPA 2004 System Diagnostics (below)
EPA 2004 System Diagnostics:
• Outline of diagnostics in EGED290-1
1. Perform KOEO Standard Test
2. Perform KOEO Injector Test
3. Verify Engine Oil Quality and Level
4. Verify Fuel Quality and Level
5. Verify Fuel Pressure and Aeration
6. Relative Compression Test
7. IPR Circuit Check: Wiggle IPR pigtail at engine idle and ensure NO engine stumble
8. Perform CPA Injector Misfire Detection Test
EPA 2007 System Diagnostics:
• Outline of diagnostics in EGED380
1. Visual Inspection
2. Verify Fuel Quality and Level
3. Verify Fuel Pressure and Aeration
4. Sensor Compare Check
5. Verify Engine Oil Quality and Level
6. IPR Circuit Check: Wiggle IPR pigtail at engine idle and ensure NO engine stumble
7. Perform CPA Injector Misfire Detection Test
SPECIAL TOOL(s):
• Tools required for component removal: Refer to appropriate engine service manual
• To perform CPA Injector Misfire Detection Tests properly, the following tools are required
Tool Description
Tool Number
Comments
EZ-Tech or
Computer
ServiceMaxx/ NED and
CPA software must be
installed
RP1210
NavCom or Nexiq
CPA Module
OE-1178/ 12-999-01-01
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IK1201363 ­ CPA Injector Misfire Detection
CPA CAM harness
(Yellow)
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OE11178-2/ 12-999-01-02
CPA CRANK
harness (Black)
12-999-01-03
CPA Extension
Harness
2 required for Cam and
Crank harnesses
Tools Resource Center
CPA Injector Misfire Detection Descriptions:
Learning Management System (LMS):
Instruction Course is available on Navistar Service Portal
Training Videos:
Training Video Coming Soon to this article but available to download through the CPA software:
Click: CPA Video Download
Test Descriptions:
CPA Injector Misfire Detection Test
Signal Check
Detailed Analysis
• Ensures engine can safely reach 2200rpm
• WAC is not issued
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IK1201363 ­ CPA Injector Misfire Detection
Cold Idle
Hot Idle
Full Load to Highway Speed
User Defined
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• 60 second test
• Measures engine rpm oscillations
• 60 second test
• Perform test at engine operating temperature
• Measures engine rpm oscillations
• Signal Check test must be performed prior
• Measures engine rpm oscillations at various gear shifts
• Note: 2013 disclaimer
•
•
Open 5min test
No conclusions given
Signal Descriptions:
Result
Description
High
Vibration
• High engine oscillation not associated to an injector
misfire
• BLUE X indicator
• Possible ICP adaptation/ ECM calibration error
• Possible under valve cover (UVC) leak
Defect Found
• Engine oscillation associated to an injector misfire
• RED indicator
No Defect
•
No abnormal enigne oscillation detected
Speed History Graph: For most accurate results, ensure CPA captures engine speed throughout all gear shifts
CAM Signal: Sample of good CAM signal
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CRANK Signal: Sample of good CRANK signal
CAM Signal Diagnostics:
Additional Diagnostics:
Air Gap Specifications
WARRANTY INFORMATION:
CPA Module
WAC can be issued for components listed
Injector Misfire
Detection
1 or 2 Fuel Injectors
Navistar Engine Model
•
•
•
•
EPA 2004-2006 DT 466/570
EPA 2007-2009 MF DT/ 9/10
EPA 2010-2013 MF DT/ 9/10
EPA 2014-2017 N9/ N10
Example Related
WAC
Articles
XXXX
• All Component Replacement Requirements are covered under policy letter: WPL2800126
• Reference the Warranty Resource Center for the most recent iApproval/ Warranty Authorization Code (WAC) requirements letter
• Refer to the Warranty Coding Manual for Group and Noun Codes.
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Standard Repair Time(s):
Description
SRT Link
12 - CYLINDER PERFORMANCE ANALYZER (CPA)
TOOL, DIAGNOSIS
CPA Diagnostics
OTHER RESOURCES
Master Service Information Site
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