JPRO Diagnostic Software SCR Performance and System Test on Cummings

This instruction show you guide on how to use JPRO diagnostic to do SCR performance and systems test for Cummings engine.

 

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The SCR Performance and System Test is supported on:

✓ Cummings EPA 13: all ISB, ISL, ISX (12L and 15L), PX-7, and PX-9

✓ Cummings GHG17: all B6.7, L9, X12, X15, PX-7, and PX-9

✓ Cummings GHG21: all B6.7, L9, X15, PX-7, and PX-9

 

The Selective Catalytic Reduction (SCR) Performance and System Test helps diagnose issues with the performance of the SCR system. It monitors the performance of the NOx sensors and checks SCR efficiency.

 

The test can be run only once per ignition cycle. You must cycle the ignition between tests.

NOTE: This test may take 1 – 2 hours to complete depending on the state of the aftertreatment system.

 

1 Select the SCR Performance and System Test and press Enter of click the Start button.

2 If not previously shown, the Aftertreatment Instructions are automatically displayed to provide aid in diagnosing issues with aftertreatment systems. When read, select the Close button on the window.

3 The SCR Performance and System Test dialog displays.

4 Select the More Information button to view detailed test information.

5 Select the Start button to begin the test. You will be asked to confirm the test start to verify that all necessary safety precautions have been taken.

6 As the test runs, the Status area will update indicating test progress.

7 Select the Graph & Data tab to view additional sensor data details. Click the checkbox next to any data item to add or remove it from the graph.

8 Once the test completes, the status area will indicate the test results.

9 Press Exit button when ready to exit this test and return to the test selection dialog.