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delay accessory for cold starts


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ngooo 
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Member spacespace
Joined: January 07, 2004
Location: Canada
Posted: January 15, 2012 at 9:11 PM / IP Logged  

I installed a viper 5904 + dball on a honda odyssey, and am having issues with the starting of the vehicle in cold weather.  the remote start wouldn't work at -5 degC yesterday, but i read on another forum, that these LEV/ULEV vehicles, you should turn off all the accessories.  So i went back out, turned the A/C system off, and activated the remote starter and it worked.  Today, it was -15degC, and all day i made sure the A/C system was off, and it worked everytime.

I read on another forum that the LEV/ULEV messes things up because it is trying to be efficient when starting, and hence the reason not to load up the vehicle with all the accessories.  I am quite confused about the relays, which setup should i install to delay the accessory to activate after the car has been started? does DEI sell something, or can this be programmed in the 5904?  I do have a bit writer.

offroadzj 
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Posted: January 15, 2012 at 9:15 PM / IP Logged  
not sure if it would work or not but you could TRY setting the diesel wait timer. This won't delay the accessories or anything, but it will turn the accessories on and get the running before trying to start. That extra delay may allow the voltage to "settle" from everything turning on at once.
May or may not work, but something easy to try.
Kenny
Owner / Technician
KKD Garage LLC
Albany, NY 12205
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: January 16, 2012 at 7:31 AM / IP Logged  
You could use a 528t timer, set up to delay up to 3 minutes, it will handle 30 amps, one for each accessory wire.
P.S. I never checked this but shouldn't the ACC output be off until the remote start has successfully engaged?
offroadzj 
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Posted: January 16, 2012 at 9:07 AM / IP Logged  
Thats a good point. The acc circuit should power up initially but then drop as soon as the starter cranks. Make sure the programming is set for the acc to be off during crank.
Kenny
Owner / Technician
KKD Garage LLC
Albany, NY 12205
tedmond 
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Posted: January 16, 2012 at 9:08 AM / IP Logged  
the acc should turn off until the vehicle has started. you must have something wired up incorrectly. temperature should not be a factor at all.
assuming you have a data bypass not key in a box, tach connection, powering correct ign,acc wires, i dont see why it shouldnt work everytime.
when you say at -5 degrees it "won't work" exactly what is happening?
Ted
2nd Year Tier 1 Medical School
Still installing as a hobby...pays for groceries
Compustar Expert
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
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Posted: January 16, 2012 at 9:17 AM / IP Logged  
Procedure should be thus:-
Activate
Ignition 1
Ignition 2* might even be after starter.
Starter 1 and 2
Engine run, then,
ACC
offroadzj 
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Posted: January 16, 2012 at 10:08 AM / IP Logged  
Hmmm.. thats weird. B/c I know on all the DEI and Compustar units I've done the acc wire activates for roughly 1 second then shuts off, cranks, and then re-activates... from what i can remember.
Kenny
Owner / Technician
KKD Garage LLC
Albany, NY 12205
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: January 16, 2012 at 10:16 AM / IP Logged  
Damnation Kenny you want me to put down my tea, go outside in the freezing cold to my car, open it, turn on the radio take the key out and do an R/S. Sod it your probably right.
How about delayed activation for old farts (like me).
ngooo 
Member - Posts: 41
Member spacespace
Joined: January 07, 2004
Location: Canada
Posted: January 16, 2012 at 11:16 AM / IP Logged  

I have the Dball from xpresskit.  when it got cold, it would try to start but didn't seem like there was enough juice.  read on an acura forum that i should turn it off the ac controls, and it hasn't failed yet.  Not sure if it matters but this is the touring model, and has the ECO feature to save on gas.

I have it W2W, tach is at the injector.

I found someone on YouTube achieve the 'AC delay using the 528T' in their odyssey, however, he didn't post how he accomplished it. 

I am hoping this will solve my problem.

offroadzj 
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Posted: January 16, 2012 at 11:18 AM / IP Logged  
Did you try just setting the diesel wait timer for a few seconds first? Why spend money on the 528t if that will work. I'm not saying it will necessarily, but its worth a shot. And did you check to make sure your acc circuit was dropping out during crank?
Kenny
Owner / Technician
KKD Garage LLC
Albany, NY 12205
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