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A CASE HISTORY FOR PF-DIAGNOSE

PF-Diagnose is perfect for a diverse fleet, it supports J1708 and J1939 protocols and is easy to use.  Like any diagnostic software, you need to become familiar with the features, the easy to understand manual is not very big and does assume a basic understanding or sensors and electronic systems.

 
In a recent example, I was at Joe Johnson Equipment yesterday, they specialize in special purpose equipment such as Trackless, and Vactor.  They had a new Mark VI Trackless in the shop and were attempting to diagnose it with the OEM software but were unable to connect.  I suggested they try PF-Diagnose, we connected the IC4 (They use the IC4 adapter because they have International's Master Diagnostics software already) Selected the IC4 adapter and because the new trackless is J1939 only we selected that from the coms menu. Clicked on CONNECT and instantly the graph started to read, the gauges started to read and ACTIVE CODES came up in the engine section.  I clicked on the fault codes tab and there was an active code for Low Coolant level.  Complete with the Cummins Flash Code
 
This machine uses a Cummins QSB engine and a Sauer Danfoss hydrostatic system.
 
Here is a photo of one

TRACKLESS MT6

 

 

On Monday, The nearby township had a Sterling Dump-truck broken down with a Stop Engine light, we connected to it and got 2 codes, one active and one inactive for Turbo Actuator out-of-adjustment and Turbo Actuator stuck
 
Today we looked at a Sterling Vactor unit with a Cat C-15, it had inactive Oil Pressure Sensor shorted low codes, Later today  We connected PF-Diagnose to a 2005 Aerial Fire Truck for the local Fire Department that was idling rough and hunting, it would also not run up on high idle in PTO mode. We found an Injection Control Pressure out-of-range low code, complete with the International flash code, the engine is a DT570E we monitored the pressure and found it to be 360-420 PSI at idle, this is too low, we also looked at the transmission input and output speed (Allison Automatic) and noted a fluctuation in the output speed of between .5 and 2 MPH, the vehicle was stationary so we have a transmission speed sensor problem that is causing the PTO mode to kick out because the engine ECM is seeing road speed., we looked at the cruise control switches and they were functioning perfectly.
 
As you can see, PF-Diagnose is very useful, it does not have the ability to change parameters, but does have the ability to view them in a wide range of equipment.  You can get fault codes with descriptions that mean something.  If it has a 6 or 9 Pin Deutsch data port, you can connect to it, from Case loaders to John Deere To Vactor.