High Idle
Post Fiend
Joined: Sep 2003
Posts: 6,096
Likes: 26
From: Mesa AZ
Also, that model has an input that will work for REMOTE IDLE control. This means you can place a 5-10 ohm potentiometer in the engine compartment or anywhere and you can control the idle remotely. This would be useful for engine diagnostics or operating a power inverter in the bed. You can also get a VREF signal out of that module as well (however I am not sure how useful that would be...)
Post Fiend
Joined: Sep 2003
Posts: 6,096
Likes: 26
From: Mesa AZ
The Brotherhood strikes again!
Lead Driver
Joined: Mar 2004
Posts: 5,372
Likes: 108
From: Northern Indiana
Hopefully we can strike a good deal.
Thread Starter
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Mountain Pass
Joined: Jun 2010
Posts: 205
Likes: 3
Thanks for all the hard work guys. It seems that a few lucky ones will be able to benifit from this but not all. Again many thanks to the guys that found the answers. Have a Merry Christmas Yall
Post Fiend
Joined: Sep 2003
Posts: 6,096
Likes: 26
From: Mesa AZ
And of course most all custom tuners offer a fast idle choice as one of the tunes.
Posting Guru
Joined: Dec 2010
Posts: 1,153
Likes: 0
From: Boston, MA
Yeah, I think you are right. I suspect the dealer can reflash the PCM to activate that feature for instances where a PTO trans is installed into a vehicle that did not come with one originally. Also, any Cab and Chassis truck with an automatic should also work since I think most if not all of them come with PTO transmissions. I suppose anyone using a PCM from a cab and chassis truck would also be able to get this to work. Lots of E series came with PTO trans so those owners should be in luck.
And of course most all custom tuners offer a fast idle choice as one of the tunes.
And of course most all custom tuners offer a fast idle choice as one of the tunes.
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Elder User
Joined: Feb 2006
Posts: 765
Likes: 1
From: Eastern Ohio
Seems like it would be much easier to just include the programming in all vehicles just to simplify the manufacturing process. The wires are already there and labeled so including the programming in the PCM calibration would be the final step that costs Ford exactly $0.00.
I guess the manual trans guys are out of luck as well....bummer.
I guess the manual trans guys are out of luck as well....bummer.
Post Fiend
Joined: Sep 2003
Posts: 6,096
Likes: 26
From: Mesa AZ
Interesting question. I don't know the answer but I haven't ever tried to use my AIC while the EBV was closed for warm up. If I get the opportunity, I will connect my AE and see what happens.
The way the AIC module works is that it joins the vehicle network via something that Ford calls Standard Corporate Protocol. Interesting enough, these Power Strokes were among the very first vehicles on the road that utilized module to module communication. Actually kinda groundbreaking when you think about it.
The four wire connector has a power, a ground and then two twisted pair network type wires for SCP bus positive and negative. The AIC module joins the network and communicates with the PCM to request a certain idle speed and the PCM chooses to comply or not to comply. The PCM looks to see if the parking brake is set and the transmission is in park (if automatic trans) and then ups the idle to the speed desired by the AIC. I suppose it's up to the PCM to determine if it wants to close the EBV or not. I bet it watches the exhaust back pressure sensor and opens the valve if the pressure gets above a certain range. (just guessing though...)
The way the AIC module works is that it joins the vehicle network via something that Ford calls Standard Corporate Protocol. Interesting enough, these Power Strokes were among the very first vehicles on the road that utilized module to module communication. Actually kinda groundbreaking when you think about it.
The four wire connector has a power, a ground and then two twisted pair network type wires for SCP bus positive and negative. The AIC module joins the network and communicates with the PCM to request a certain idle speed and the PCM chooses to comply or not to comply. The PCM looks to see if the parking brake is set and the transmission is in park (if automatic trans) and then ups the idle to the speed desired by the AIC. I suppose it's up to the PCM to determine if it wants to close the EBV or not. I bet it watches the exhaust back pressure sensor and opens the valve if the pressure gets above a certain range. (just guessing though...)