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Old 08-17-2022, 05:30 PM   #1
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Question Cummins Insite or Inline

I'd like to connect my 2007 Cummins 400 on Spartan Chassis to my laptop to understand the hydraulic fan parameters controlled there. Can someone guide me on what cable and software can be had to attach a Windows OS laptop to that round port on the engine or up by the driver? I've seen software and devices costing a couple of hundred dollars, and those in the thousands. if its thousands, I'm out... guidance appreciated.
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Old 08-18-2022, 07:09 AM   #2
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I am pleased with VMSpec by SilverLeaf. https://silverleafelectronics.com//?page_id=2549
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Old 08-18-2022, 08:37 AM   #3
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Here's some info on Insite
https://www.cummins.com/parts-and-se...ervices/insite
Here's where you can buy a 1 year license
https://www.diesellaptops.com/produc...gle%20Shopping




What kind of problems are you having.

You might have to go to a shop and have them change the parameters of the fan which are programed in the ECM. If you do that ask for a image copy of how your ECM is programed. Mine is about ~400 lines long.


Here is my fan setup
Fan Control,

Air Conditioner Pressure Switch Controls Fan,Disable,

Fan Clutch Logic,12/24V ON,

Fan On During Engine Braking,Disable,

Fan Type,On/Off,

Manual Fan Switch,Enable,

Minimum Fan On Time for Air Conditioner Pressure Switch,0,sec

Pulse Width Modulation
Frequency,0,Hz
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Old 08-18-2022, 01:27 PM   #4
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Good Info@jacwjames

My problem is the AC cutting off (blower, everything) on occasion when sitting in stop start traffic. new compressor, new fan hydraulic motor, new control valve, new freon.

Those fan parms are interesting-

- Fan on during engine braking- when I replaced the hydraulic fan motor the engagement of that fan during breaking is *heavy*. it slows down the coach at twice the rate it did, and its too much- about to pitch the passengers through the windshield.

- air conditioner pressure switch controls fan- i need a parameter that accelerates the fan slightly at idle, when the AC is on- and our pressure limit switch is cutting off the whole system if we sit in traffic still. This still does not sound like the right parameter but curious if its allowing the high pressure cutoff switch to kill the fan... that does not sound right either, that's when you Need the fan...think we need a few hundred more rpms on the fan at idle with AC engaged.

Fan type off/on - sounds like an electric fan- ours is side radiator hydraulic.
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Old 08-18-2022, 02:37 PM   #5
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Do you have an electronic fan control?? These are known to go bad.


Source Engineering offers a conversion to a thermo valve.
Source Engineering Inc | Custom RV Chassis | Eugene, OR


I have a side radiator with a thermovalve system. It is proportional to temp.



Some people have put a restricting/orifice in the line which makes the fan run at a slightly higher speed at idle.
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Old 08-18-2022, 06:20 PM   #6
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You can buy Insite and adapter as a kit on Ebay or it can be found in various places on the web.
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Old 08-20-2022, 04:09 PM   #7
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Quote:
Originally Posted by Genevatexan View Post
My problem is the AC cutting off (blower, everything) on occasion when sitting in stop start traffic. new compressor, new fan hydraulic motor, new control valve, new freon.

Those fan parms are interesting-

- Fan on during engine braking- when I replaced the hydraulic fan motor the engagement of that fan during breaking is *heavy*. it slows down the coach at twice the rate it did, and its too much- about to pitch the passengers through the windshield.

- air conditioner pressure switch controls fan- i need a parameter that accelerates the fan slightly at idle, when the AC is on- and our pressure limit switch is cutting off the whole system if we sit in traffic still. This still does not sound like the right parameter but curious if its allowing the high pressure cutoff switch to kill the fan... that does not sound right either, that's when you Need the fan...think we need a few hundred more rpms on the fan at idle with AC engaged.

Fan type off/on - sounds like an electric fan- ours is side radiator hydraulic.
I have 400ISL common rail, VGT turbo (CM850) with side rad, Country Coach variable speed ECM controlled fan (Dec 15, 2006 engine build). Here are the fan parameters that can be programmed. The coach OEM would more than likely have set the parameters, mine are attached.

Notice Minimum on fan run time of 180sec - that means the fan will run for at least 180 sec after a/c signal from ECM, minimizes fan cycling....

EDIT - if the fan is not spinning fast enough to cool condenser, the AC high pressure switch will kill the compressor signal. To speed up the fan it will depend on the hydraulic fan motor/control. On a number of side rad hydraulic driven the controller can go bad and needs to be correctly troubleshot. It may not be in the ECM control.

Hope this helps,
Brian
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Old 08-21-2022, 07:24 AM   #8
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Cummins Insite or Inline

Re-read your post this AM. Interesting symptom that everything including blower shuts off in idling traffic. I am wondering about main power (12VDC) to control unit in dash. Typically it is a Type 2 resettable blade fuse (20A, metal case) so possibly it is heating up (wherever it is located) and tripping. It will reset when cool. Try replacing it with a new one - they do drift over time and trip at lower amperage.

Just a thought.

Brian
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Old 08-23-2022, 10:39 AM   #9
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Thumbs up Great feedback

I'll look at the electronic fan controller, and either get a shop to look at the ECM controls or find my way in cheap.

On the type 2 resettable blade fuse, I think I know where that is under the step. tall rectangular metal resettable fuse, but not sure I can see any failure, its not see-thru and testing in the board would be hard.
If its not expensive I may just replace. If I remember there are two under the entry stairs. That said, it always seems to be when idling only, and the shop that did the compressor proved that the air holds up fine if they provided outside cooling (water hose) on the condenser during testing. So it looks more like high pressure cutoff than electronic cutoff.
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Old 08-25-2022, 04:32 AM   #10
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i am using nexiq usb link 2 with insite and it works pretty good
i even used this for ecm flashing delete
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