IK1201325 ­ CPA Base Engine Analysis Module (BEAM): Test Descriptions and Detaile... Page 1 of 8

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ENGINES

Created:

3/4/2016

Current Language: English

Last Modified: 6/7/2017

Other Languages: NONE

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Title : CPA Base Engine Analysis Module (BEAM): Test Descriptions and Detailed Information
Applies To : MaxxForce Engines

CHANGE LOG
06/07/2017- Minor edits
06/02/2017- Structured Layout and added information
04/28/2017­ Added common BBT error explanation
04/25/2017- Updated diagnostic software to Navistar Engine Diagnostics™.
03/09/2017­ Added pressure signal diag. info

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

DESCRIPTION:
This document will serve as detailed descriptions to the CPA BEAM Tests

CPA BEAM Tests Apply To:
Engine Platform

Emission Year

Engine Model

V8

2007-2016

MaxxForce7

MED

2007-2009

MaxxForce DT/9/10

MED

2010-2013

MaxxForce DT/9/10

MED

2014-2017

N9/ N10

BB

2010-2012

MaxxForce 11/13L

BB

2013-2016

N13

SYMPTOM(s)/ FAULT CODE(s):
Follow Appropriate Manual

BEAM TESTS:
Engine Platform Application

BEAM Test

Notes

V8

IDLE Test

Utilize instead of Injector Misfire Detection

V8

CrankCase Pressure (CCP) Test

V8

Relative Compression Test (RCT)

V8

Relative Compression Test (RCT+)

V8

Blow-By Test (BBT)

Engine Platform Application

Utilize instead of Navistar Engine Diagnostics RCT

BEAM Test

Notes

MED Duty (i6)

Relative Compression Test (RCT)

Utilize instead of Navistar Engine Diagnostics RCT

MED Duty (i6)

Relative Compression Test (RCT+)

MED Duty (i6)

Blow-By Test (BBT)

Engine Platform Application

BEAM Test

Notes

Big Bore (BB)

Relative Compression Test (RCT)

Utilize instead of Navistar Engine Diagnostics RCT

Big Bore (BB)

Relative Compression Test (RCT+)

Big Bore (BB)

Blow-By Test (BBT)

Big Bore (BB)

Full Load Blow-By Test (FL BBT)

Refer to IK 1201329

TEST DESCRIPTIONS:
Relative Compression Test Plus (RCT+):
Below is the basic set up overview of BEAM RCT+. Review the appropriate engine diagnostic manual for proper step-by-step installation instructions.

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RELATIVE COMPRESSION TEST PLUS (RCT+)
V8

MED Duty (i6)

1. Cap Adapter 12-999-05-03
2. Camshaft Position (CMP) Sensor
3. Crankshaft Position (CKP) Sensor

1. CAP Adapter 12-999-05-04
2. Camshaft Position (CMP) Sensor
3. Crankshaft Position (CKP) Sensor

RCT+ User Interface:

RCT+ Signals. Example of Good Signals
Graph analysis available in the diagnostic manual.
RCT+ Signal RAW Signal

CKP/CAM Superimposed

Processed into Speed trace

CMP

CKP

BATTERY (RAW Signal)

Processed Signal

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CCP (RAW Signal)

Processed Signal

Blow-By Test (BBT):
Below is the basic set up overview of BEAM BBT. Review the appropriate engine diagnostic manual for proper step-by-step installation instructions.

BLOW- BY TEST
V8

1. Crankcase Pressure Test Orifice Tool ZTSE4146A
2. Camshaft Position (CMP) Sensor
3. Crankshaft Position (CKP) Sensor

MED Duty (i6)

1. CrankCase Pressure Test Orifice Tool ZTSE4039
2. Camshaft Position (CMP) Sensor
3. Crankshaft Position (CKP) Sensor

BBT User Interface:

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BBT Signals. Example of Good Signals:

RCT+ Signal RAW Signal

CKP/CAM Superimposed

Processed into Speed trace

CMP

CKP

BATTERY (RAW Signal)

CCP (RAW Signal)

Processed Signal

Processed Signal

QUICK NOTES:
RCT+:
• Poor Battery Health while performing RCT+: Press "Stop Test" when the CPA prompts 3rd cranking event. RCT+ will process the data and issue a
conclusion
• If Engine can Idle: For improved accuracy, warm the engine Prior to performing RCT+

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BLOW BY TEST:
• Blow‐By Test (BBT) utilizes the PressurePlus module instead of a water manometer or magnahelic gauge
• The fan must be OFF in order to achieve accurate results. The software is analyzing STABILITY within the data

Instability Result (FAN engaged):

Stable Result (FAN not engaged):

• Ensure PressurePlus Module is NOT connected to the oil fill adaptor when performing BBT. The PressurePlus Module hose connects to the

the orifice tool (Crankcase Breather Outlet)
• Ensure proper channel set‐up. BBT signals may OFFSET and look like the example below if connected incorrectly

Crankcase Pressure (CCP) Test (MF7 ONLY):
• The crankcase breather is functioning normally for this test.
• If the engine cannot run the Navistar Engine Diagnostics™ Standard Test (as requested in BBT and CCP test):
◦ Check "Save data when test starts" box

◦
◦
◦
◦
◦

When Standard Test is requested: Hold Wide Open Throttle (WOT) for 5 seconds w/ FAN OFF
Idle for 4 seconds
WOT for 5 seconds (FAN OFF)
Press "Stop Test"
CPA will process the test and create the Results Graph

Crankcase Leak Detected Result:
This message occurs when crankcase is NOT properly sealed
• Example 1 (RCT+): CCP not meeting minimum pressure threshold of 10"H2O (PIC Below)
◦ Confirm Crankcase Breather Outlet is properly plugged
◦ Confirm Oil Dipstick (MF7 and MF11/13L ONLY) is correctly seated and properly sealed
◦ Confirm oring on fill cap is NOT damaged (PIC Below)

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• Example 2: CCP has rapid pressure decay

• Example 3: CCP NOT allowed to decay between cranking events
◦ Ensure the cranking prompt is correctly followed
◦ If removing cap (Applies to BB ONLY), ensure correct operation

• Example 4 : CCP not meeting middle pressure threshold of 30"H2O (PIC Below)
◦ Confirm Crankcase Breather Outlet is properly plugged
◦ Confirm Oil Dipstick (MF7 and MF11/13L ONLY) is correctly seated and properly sealed
◦ Confirm oring on fill cap is NOT damaged (PIC Below)

PRESSURE PLUS MODULE:
Errors with pressure plus module follow guidleines below
• Example 1: CCP reading negative voltage. Signal GROUND is open or has high resistance
◦ Using a DMM­ Measure the BNC end and ensure correct voltage output at KOEO
◦ If voltage measured is NOT correct: Replace CPA Extension Cable and retest

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• Overview of PPM

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IK1201325 ­ CPA Base Engine Analysis Module (BEAM): Test Descriptions and Detaile... Page 8 of 8

RESOURCES

MED_BEAM INSTRUCTIONS
BB_BEAM INSTRUCTIONS
V8_RCT INSTRUCTIONS
V8_RCT+ INSTRUCTIONS
V8_CCP INSTRUCTIONS
V8_BBT INSTRUCTIONS

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