Service Manual

ISB, ISBe and QSB (Common Rail [...] Aftertreatment Testing
Section 14 - Engine Testing - Group 14 Page 14-55
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this point, the fuel injection sequencing is adjusted and it will be noted that the engine running tone will change.
This is normal during the regeneration process. At the end of this elevated speed period, the engine will decelerate
to idle for a short cooling phase, whereby the regeneration process will be completed.
• Select the stop button on the INSITE™ electronic service tool monitor screen
• Depress the clutch (if equipped)
• Depress the brake
• Depress the acceleration pedal
• Switch the engine OFF.
6 Monitor the area.
• Make sure that the vehicle and surrounding area is monitored during regeneration. If any unsafe condition occurs,
shut down the engine immediately.
When the stationary regeneration process is completed, the temperature of the exhaust aftertreatment components
will remain elevated for at least 5 minutes.
WARNING
The exhaust and exhaust components can remain hot after the engine has been shut down or secured. To
avoid the risk of fire, property damage, burns or other serious personal injury, allow the exhaust system to
cool before beginning this procedure or repair and make sure that no combustible materials are located
where they might come in contact with hot exhaust or exhaust components.
Take the vehicle for a short test drive, and operate the vehicle as instructed by INSITE™ electronic service tool, so
that the Aftertreatment High NOx fault code can be reset. Reference the Fault Code Troubleshooting Manual, Bulletin
4021677.
Change the lubricating oil and filter before the vehicle is returned to service. Reference Procedure 007-002 in the
appropriate Operation and Maintenance Manual.