Heavy Equipment Repair

Detroit GHG17 Engine Diesel Exhaust Fluid Quality Test

Detroit GHG17 Diesel Exhaust Fluid (DEF) Quantity Test will check that the correct amount of DEF fluid is delivered in a certain period of time. A fault code will normally accompany this procedure.

 

Related Contents:

2024.06 Detroit Diesel Diagnostic Link DDDL 8.20 8.09 Free Download

JPRO DLA+ 2.0 Adapter

NEXIQ USB Link Adapter

 

 

Note : Using Detroit DiagnosticLink 8.19:

A properly operating system will deliver between 108 and 132mL of DEF once the test has completed.

New doser bolts and gasket are required after running this procedure.

 

Test as follows:

1 Remove the vehicle side fairing to gain better access to the dosing unit.

2 Remove the three bolts securing the DEF dosing unit to the mounting plate and discard bolts. Do not disconnect the DEF lines or electrical connector.

3 Use the graduated cylinder from DEF kit W060589001900 to measure the DEF dispensed during the test.

4 Place the doser on top of the graduated cylinder with the nozzle facing downward into the cylinder.

 

5 Turn the ignition ON (key ON, engine OFF).

6 Connect to DiagnosticLink®.

7 From “Actions” drop-down menu, select “Aftertreatment”, then “DEF Quantity Test.”

8 Click the “Start” button to begin the “DEF Quantity Test.”

9 The test will run for four minutes; once completed, verify the amount of DEF dispensed.

More repair cases for Detroit Diesel engines,please refer to:Detroit Diesel Engine Repair

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