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CUMMINS ISX15 Engine speed control

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Mike AA:
I have found 2 other posts about this but they weren't really answered or if they figured it out they didn't reply with a solution.

I have a Cummins ISX15 engine with their CM2350 ECM. This engine came out of a truck and we are installing it in one of our trenchers. I eliminated all the components from the parameters that would have been in a truck not our trencher and have gotten down to one or two error codes. One error code wants a second accelerator pedal sensor, i dont want to use a typical pedal for throttle control as it needs to be a knob on the dash. I turned on multiplexing and Accelerator pedal within that and set the address ID for 0. now I get the second error code about an abnormal update rate of multi plexed accelerator pedal, Cummins fault code 3326.

I have the engine ECM connected to CAN1 on the MC090 to send my requested rpm to the ECM. I used TSC1_TX1 to send the info for EngReqSpeedLimit. This works flawless on the CAT C32 engine I setup last week. What am I missing? I tried to connect initially to Cummins' Data link port then tried connecting to the Service tool port and get the same results.

Anyone have any ideas?

Thanks,
Mike Aalderink

pinias:
check the priority,

CAT engines need to be set to 0.

I thought it will be the same for all engines since it is J1939 standard, however for a Hatz engine I found it out as 4, I tried with 0 and did not work  but with 4 it did work just fine...odd

acmall:
We recently set up a remote throttle over CAN on a Freightliner truck with a Cummins engine, ECM CM2350A

Two different Cummins engineers came to work on it and we were also in contact with the Freightliner Dealer. The remote throttle was working but the same error message was showing up. After some back and forward with the office they came to the conclusion that error is erroneous and told us to ignore it.



 

Mike AA:
pinias,

I will check the priority. I had the Cat engine set with a 3 (default) priority, with no issues.


acmall,

Do you happen to have a screen grab of the code you used for it? The problem with this error is it pops a red lamp on my ECM so I can't just ignore it.

I have everything for multiplexing turned back off so I need to find out exactly what items I need to enable and what IDs to use. The engine is runnable but I only have one potentiometer hooked to the accelerator signal so its warning me there is no signal for sensor 2. I want to use the canbus remote throttle so I can control from multiple danfoss controllers.

Mike

acmall:
Hi Mike

The attached .scs file contains the setup for the TSC1 message I am using. The Freightliner dealer advised to use source address 33 as this is designated as the body controller.

These are the settings in the ECM for Multiplexing

SAE J1939 Multiplexing
SAE J1939 Multiplexing - Accelerator Interlock Switch,Disable
SAE J1939 Multiplexing - Accelerator Pedal Or Lever Position,Disable
SAE J1939 Multiplexing - Adaptive Cruise Control Usage Demand Switch,Disable
SAE J1939 Multiplexing - Aftertreatment Diesel Exhaust Fluid Tank Level Sensor,Enable
"Source Address","163 - Catalyst Fluid Sensor"
SAE J1939 Multiplexing - Aftertreatment Diesel Exhaust Fluid Tank Temperature Sensor,Enable
"Source Address","163 - Catalyst Fluid Sensor"
SAE J1939 Multiplexing - Aftertreatment Regeneration Permit Switch,Disable
SAE J1939 Multiplexing - Aftertreatment Regeneration Start Switch,Enable
"Source Address","33 - Body Controller"
SAE J1939 Multiplexing - Air Conditioning Pressure Switch,Disable
SAE J1939 Multiplexing - Auxiliary Shutdown Switch,Disable
SAE J1939 Multiplexing - Clutch Pedal Position Switch,Disable
SAE J1939 Multiplexing - Cruise Control On/Off Switch,Disable
SAE J1939 Multiplexing - Cruise Control Pause Switch,Disable
SAE J1939 Multiplexing - Cruise Control Set / Resume Switch,Disable
SAE J1939 Multiplexing - Diagnostic Test Mode Switch,Enable
"Source Address","33 - Body Controller"
SAE J1939 Multiplexing - Engine Brake Switch Level,Enable
"Source Address","33 - Body Controller"
SAE J1939 Multiplexing - Engine Protection Shutdown Manual Override,Disable
SAE J1939 Multiplexing - Fan Control Switch,Disable
SAE J1939 Multiplexing - Fan Control Switch 2,Disable
SAE J1939 Multiplexing - Fuel Level Sensor,Enable
"Source Address","23 - Instrument Cluster #1"
SAE J1939 Multiplexing - Fuel Level Sensor 2,Disable
SAE J1939 Multiplexing - Idle Increment/ Idle Decrement Switch,Disable
SAE J1939 Multiplexing - Idle Validation Switch,Disable
SAE J1939 Multiplexing - Parking Brake,Enable
"Source Address","33 - Body Controller"
SAE J1939 Multiplexing - PTO On/Off Switch,Disable
SAE J1939 Multiplexing - PTO Set / Resume Switch,Disable
SAE J1939 Multiplexing - Rear Axle Ratio Switch,Disable
SAE J1939 Multiplexing - Remote Accelerator Pedal or Lever,Enable
"Source Address","33 - Body Controller"
SAE J1939 Multiplexing - Remote Accelerator Pedal or Lever Switch,Disable
SAE J1939 Multiplexing - Remote PTO Switch,Disable
SAE J1939 Multiplexing - Service Brake Switch,Enable
"Source Address","33 - Body Controller"
SAE J1939 Multiplexing - Torque Derate Switch,Disable
SAE J1939 Multiplexing - Wait To Start Lamp,Disable

Alastair

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