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SUBJECT DATE

Diagnostic Tests - Two-Filter SystemDiagnostic Tests - Three-Filter System November 2017

Additions, Revisions, or Updates

Publication Number / Title Platform Section Title Change

DDC-SVC-MAN-0084 DD Platform

Fuel System IntegrityCheck - Two-Filter

System - How to Run aFuel System Integrity

Check - Two-FilterSystem

Update to How to Run and New Section for FSIC Leak Test

Fuel System IntegrityCheck - Two-Filter

System - FSIC Leak Test- Two-Filter System

Fuel System IntegrityCheck - Three-Filter

System - How to Run aFuel System IntegrityCheck - Three-Filter

System

Fuel System IntegrityCheck - Three-Filter

System - FSIC Leak Test- Three-Filter System

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All information subject to change without notice. 311 03-17 Copyright © 2017 DETROIT DIESEL CORPORATION

2 How to Run a Fuel System Integrity Check Routine - Two-Filter FuelSystem

Table 1.Service Tools Used in the Procedure

Tool Number Description Graphic

W470589099100 Fuel Pressure Test Plug

DiagnosticLink ® 8.06 or later

Check as follows:

NOTICE: During the Fuel System Integrity Check (FSIC) routine, if there are any unusual sounds or anything thatmay indicate engine damage or unsafe conditions, abort the routine immediately by turning the ignition OFF.

WARNING: PERSONAL INJURY

To avoid injury before starting and running the engine, ensure the vehicle is parked on a levelsurface, parking brake is set, and the wheels are blocked.

WARNING: ENGINE EXHAUST

To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area.Engine exhaust is toxic.

1. Connect to the vehicle with DiagnosticLink ® 8.06 or later.2. Navigate in DiagnosticLink to "Actions."

2 How to Run a Fuel System Integrity Check Routine - Two-Filter Fuel System

4 All information subject to change without notice.Copyright © 2017 DETROIT DIESEL CORPORATION 11 03-17

3. Select "Fuel System" and then "Fuel System Integrity Check" in the drop-down menu.

4. Select "FSIC Automatic Test" from the drop-down menu.

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All information subject to change without notice. 511 03-17 Copyright © 2017 DETROIT DIESEL CORPORATION

5. Follow the instructions on screen. Allow the routine to complete.

6. Once the routine completes, review the dialog box for the high pressure leak test results.

2 How to Run a Fuel System Integrity Check Routine - Two-Filter Fuel System

6 All information subject to change without notice.Copyright © 2017 DETROIT DIESEL CORPORATION 11 03-17

7. Return to the initial diagnostics that directed you to the FSIC Routine.

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All information subject to change without notice. 711 03-17 Copyright © 2017 DETROIT DIESEL CORPORATION

3 FSIC Leak Test

The FSIC Leak Test will allow a technician to identify a leak in the high pressure fuel system. The panel will calculate ifthere is an acceptable pressure bleed-down rate. A leak in one of the following locations will show a fast bleed-down rateover time:

• High pressure fuel pump (pumping elements)• High pressure fuel rail feed lines• High pressure fuel injector lines• Fuel rail pressure sensor• Pressure limiting valve• Internal injector amplifier or needle leakage to the return• Internal injector amplifier or needle leakage into the cylinderTest as follows:

1. Using DiagnosticLink ®, go to the "Actions" menu and click on the "Fuel System" menu option and then the "FuelSystem Integrity Check" option.

2. In the dropdown menu, select "FSIC Leak Test."

3 FSIC Leak Test

8 All information subject to change without notice.Copyright © 2017 DETROIT DIESEL CORPORATION 11 03-17

WARNING: PERSONAL INJURY

Diesel engine exhaust and some of its constituents are known to the State of California to causecancer, birth defects, and other reproductive harm.

• Always start and operate an engine in a well ventilated area.• If operating an engine in an enclosed area, vent the exhaust to the outside.• Do not modify or tamper with the exhaust system or emission control system.

WARNING: PERSONAL INJURY

To avoid injury before starting and running the engine, ensure the vehicle is parked on a levelsurface, parking brake is set, and the wheels are blocked.

WARNING: ENGINE EXHAUST

To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area.Engine exhaust is toxic.

3. Start engine and allow Fuel System Integrity Check (FSIC) Leak Test routine to run. The test will instruct when tocycle the ignition to complete the test

4. Once the FSIC Leak Test routine has completed, review the results of the test in the dialog box of the test panel.

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All information subject to change without notice. 911 03-17 Copyright © 2017 DETROIT DIESEL CORPORATION

5. Did the panel result in a "System Leaking" message?a. Yes; Refer to section "High Pressure Fuel System - Leak Test - Two-Filter System ".b. No; return to original troubleshooting.

3 FSIC Leak Test

10 All information subject to change without notice.Copyright © 2017 DETROIT DIESEL CORPORATION 11 03-17

4 How to Run a Fuel System Integrity Check Routine - Three-Filter FuelSystem

Table 2.Service Tools Used in the Procedure

Tool Number Description Graphic

W470589099100 Fuel Pressure Test Plug

DiagnosticLink ® 8.06 or later

Check as follows:

NOTICE: During the Fuel System Integrity Check (FSIC) routine, if there are any unusual sounds or anything thatmay indicate engine damage or unsafe conditions, abort the routine immediately by turning the ignition OFF.

WARNING: PERSONAL INJURY

To avoid injury before starting and running the engine, ensure the vehicle is parked on a levelsurface, parking brake is set, and the wheels are blocked.

WARNING: ENGINE EXHAUST

To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area.Engine exhaust is toxic.

1. Connect to the vehicle with DiagnosticLink ® 8.06 or later.2. Navigate in DiagnosticLink to "Actions."

11 03-17

All information subject to change without notice. 1111 03-17 Copyright © 2017 DETROIT DIESEL CORPORATION

3. Select "Fuel System" and then "Fuel System Integrity Check" in the drop-down menu.

4. Select "FSIC Automatic Test" from the drop-down menu.

4 How to Run a Fuel System Integrity Check Routine - Three-Filter Fuel System

12 All information subject to change without notice.Copyright © 2017 DETROIT DIESEL CORPORATION 11 03-17

5. Follow the instructions on screen. Allow the routine to complete.

6. Once the routine completes, review the dialog box for the high pressure leak test results.

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All information subject to change without notice. 1311 03-17 Copyright © 2017 DETROIT DIESEL CORPORATION

7. Return to the initial diagnostics that directed you to the FSIC Routine.

4 How to Run a Fuel System Integrity Check Routine - Three-Filter Fuel System

14 All information subject to change without notice.Copyright © 2017 DETROIT DIESEL CORPORATION 11 03-17

5 FSIC Leak Test

The FSIC Leak Test will allow a technician to identify a leak in the high pressure fuel system. The panel will calculate ifthere is an acceptable pressure bleed-down rate. A leak in one of the following locations will show a fast bleed-down rateover time:

• High pressure fuel pump (pumping elements)• High pressure fuel rail feed lines• High pressure fuel injector lines• Fuel rail pressure sensor• Pressure limiting valve• Internal injector amplifier or needle leakage to the return• Internal injector amplifier or needle leakage into the cylinderTest as follows:

1. Using DiagnosticLink ® , go to the "Actions" menu and click on the "Fuel System" menu option and then the "FuelSystem Integrity Check" option.

2. In the dropdown menu, select "FSIC Leak Test."

11 03-17

All information subject to change without notice. 1511 03-17 Copyright © 2017 DETROIT DIESEL CORPORATION

WARNING: PERSONAL INJURY

Diesel engine exhaust and some of its constituents are known to the State of California to causecancer, birth defects, and other reproductive harm.

• Always start and operate an engine in a well ventilated area.• If operating an engine in an enclosed area, vent the exhaust to the outside.• Do not modify or tamper with the exhaust system or emission control system.

WARNING: PERSONAL INJURY

To avoid injury before starting and running the engine, ensure the vehicle is parked on a levelsurface, parking brake is set, and the wheels are blocked.

WARNING: ENGINE EXHAUST

To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area.Engine exhaust is toxic.

3. Start engine and allow Fuel System Integrity Check (FSIC) Leak Test routine to run. The test will instruct when tocycle the ignition to complete the test

4. Once the FSIC Leak Test routine has completed, review the results of the test in the dialog box of the test panel.

5 FSIC Leak Test

16 All information subject to change without notice.Copyright © 2017 DETROIT DIESEL CORPORATION 11 03-17

5. Did the panel result in a "System Leaking" message?a. Yes; Refer to section "High Pressure Fuel System - Leak Test - Three-Filter Fuel System".b. No; return to original troubleshooting.

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All information subject to change without notice. 1711 03-17 Copyright © 2017 DETROIT DIESEL CORPORATION

1 11 03-172 How to Run a Fuel System Integrity Check Routine - Two-Filter Fuel System3 FSIC Leak Test4 How to Run a Fuel System Integrity Check Routine - Three-Filter Fuel System5 FSIC Leak Test