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Old 11-01-2021, 02:53 PM   #1
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Engine ECM

I have a 2005 Monaco Camelot 40 PDQ. Where is the Engine Control Module (ECM) located ?


ISL 8.9L 400 HP Cummins
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Old 11-01-2021, 03:05 PM   #2
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Quote:
Originally Posted by dws520 View Post
I have a 2005 Monaco Camelot 40 PDQ. Where is the Engine Control Module (ECM) located ?

Please tell us what ENGINE you have!
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Old 11-01-2021, 03:08 PM   #3
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ISL 8.9L Cummins 400 HP
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Old 11-01-2021, 05:42 PM   #4
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ECM location

The Engine ECM is bolted on the block about midway on the passenger side.
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Old 01-23-2022, 04:58 AM   #5
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Need a good tool tp read & program my ECM

Quote:
Originally Posted by dws520 View Post
I have a 2005 Monaco Camelot 40 PDQ. Where is the Engine Control Module (ECM) located ?


ISL 8.9L 400 HP Cummins



Looking for a good tool to read & program my ECM...
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Old 01-23-2022, 05:18 AM   #6
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Where can I purchase a good Diag. tool to read & program my ECM
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Old 01-23-2022, 06:45 AM   #7
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https://www.cummins.com/support/digi...em-fis-support


https://www.diesellaptops.com/blogs/...cm-programming


I think Insite is the only thing you can use and requires a license.



What are you trying to do?
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Old 01-23-2022, 07:17 AM   #8
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Originally Posted by jacwjames View Post
https://www.cummins.com/support/digi...em-fis-support


https://www.diesellaptops.com/blogs/...cm-programming


I think Insite is the only thing you can use and requires a license.



What are you trying to do?

Need to check the NEW hydraulic fan motor speed. I suspect it is running at half speed.
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Old 01-23-2022, 08:26 AM   #9
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Need to check the NEW hydraulic fan motor speed. I suspect it is running at half speed.
Humm, I don't think the ECM reads fan speed.

I think it just reads temp and the fan adjusts accordingly.

Tell us more about your project.

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Old 01-23-2022, 09:43 AM   #10
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Do you have a Cummins Quickserve account? https://quickserve.cummins.com/info/index.html
If so you can go in and see what the ECM controls, there is a wiring diagram for the Monaco/Cummins interface. If the fan is controlled by the ECM it will show it.


On my 8.3 ISC the ECM doesn't have anything to do with the fan but on the OEM Harness connector it does show a Fan Switch, which I assume would be for the fan on the engine, I have a side radiator which relies on a thermovalve control.
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Old 01-24-2022, 01:30 PM   #11
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I read somewhere on this forum that on a 2005 Monaco Camelot 40 PDQ the ECM controls the hydraulic speed. I just replaced the radiator, Hydraulic Fan motor & Fan Controller. Just want to check and make sure all is well before I take off on another trip..
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Old 01-24-2022, 01:32 PM   #12
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I read somewhere on this forum that on a 2005 Monaco Camelot 40 PDQ the ECM controls the hydraulic fan motor speed. I just replaced the radiator, Hydraulic Fan motor & Fan Controller. Just want to check and make sure all is well before I take off on another road trip.



I read somewhere on this forum that on a 2005 Monaco Camelot 40 PDQ the ECM controls the hydraulic fan motor speed. I just replaced the radiator, Hydraulic Fan motor & Fan Controller. Just want to check and make sure all is well before I take off on another road trip.
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Old 01-24-2022, 03:12 PM   #13
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Monaco used a Sauer Danfoss hydraulic fan controller that takes inputs from the engine ECU. The Fan controller is usually located to the left of the engine when viewing from the rear. These fan controllers are prone to going bad. When they go bad they run the fan full speed. This wastes fuel and taxes the hydraulic pump.

Post # 126 has a picture of the Sauer Danfoss fan controller.
https://www.irv2.com/forums/f115/fan...-376611-9.html

These are difficult to locate as well as expensive so many of us have replaced it with a mechanical "wax valve" fan controller. The wax valve controller is used by the Detroit 60 as well as some Cat engines.
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Old 01-25-2022, 04:30 AM   #14
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Originally Posted by vito.a View Post
Monaco used a Sauer Danfoss hydraulic fan controller that takes inputs from the engine ECU. The Fan controller is usually located to the left of the engine when viewing from the rear. These fan controllers are prone to going bad. When they go bad they run the fan full speed. This wastes fuel and taxes the hydraulic pump.

Post # 126 has a picture of the Sauer Danfoss fan controller.
https://www.irv2.com/forums/f115/fan...-376611-9.html

These are difficult to locate as well as expensive so many of us have replaced it with a mechanical "wax valve" fan controller. The wax valve controller is used by the Detroit 60 as well as some Cat engines.

I located it and replaced it with a new one. When I unplug the electrical connection when the engine is running the fan comes on and appears to run at a higher speed. How can I tell if this is FULL speed ? Does the fan controller or ECM have multiple speed capability ?
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