Remote Start Shuts Down Unexpectedly, 2005 Ford Focus
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=145938
Printed Date: July 05, 2025 at 5:40 AM
Topic: Remote Start Shuts Down Unexpectedly, 2005 Ford Focus
Posted By: dbzac
Subject: Remote Start Shuts Down Unexpectedly, 2005 Ford Focus
Date Posted: January 12, 2020 at 4:21 PM
2005 ford focus zx4 m/t Python 5706P
everything works as it should with one exception. When my a/c is on and or when the high speed cooling fans kick in, the remote start shuts down and the remote reports the shut down. it reports not errors via the LED. I have tried running main power strait from the battery, I have re soldered all my connections. I just cant seam to figure out what my issue is?
Replies:
Posted By: iskidoo
Date Posted: January 12, 2020 at 6:46 PM
Are you using voltage sense or tach. If voltage it may be too much of a variance when the fan kicks on and the system shuts down.
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Steve G
Posted By: dbzac
Date Posted: January 12, 2020 at 7:49 PM
Tach wire l, it's a stick so I can't use voltage Sense
Posted By: geepherder
Date Posted: January 13, 2020 at 5:37 AM
I'd probably try relearning the tach with the engine warm and the a/c on.
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My ex once told me I have a perfect face for radio.
Posted By: dbzac
Date Posted: January 13, 2020 at 6:07 AM
Tried reprogramming the tach with the A/C on warm, cold, with the fans on high. The diagnostic for shut down doesn't report tach issue either
Posted By: geepherder
Date Posted: January 13, 2020 at 9:40 AM
You didn't mention your bypass module, but if it's a data bypass, try hardwiring your tach directly to the car instead of the bypass (then relearn).
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My ex once told me I have a perfect face for radio.
Posted By: dbzac
Date Posted: January 13, 2020 at 9:55 AM
It's an old school halo around the key style. I believe it's a 555 or 557 something like that
Posted By: mgoetz74
Date Posted: January 13, 2020 at 2:09 PM
are you using a injector or the coil?
could always try the camshaft position sensor 2.0 is on top of engine 2.3 is on right side of engine. Will have a white/violet and a brown/white wires coming off it, white/violet is your signal wire
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33 years as a installer now just a retired old guy. Favorite thing to install/topic are remote starts/car alarms. Stop using test lights!!!
Posted By: dbzac
Date Posted: January 13, 2020 at 2:39 PM
I'm using a coil
Posted By: mgoetz74
Date Posted: January 13, 2020 at 2:43 PM
dbzac] wrote:
I'm using a coil
that's probably your problem.. use a injector black/white, black/yellow, black/blue, or black/org ------------- 33 years as a installer now just a retired old guy. Favorite thing to install/topic are remote starts/car alarms. Stop using test lights!!!
Posted By: dbzac
Date Posted: January 14, 2020 at 12:02 AM
Ok, I'll try an injector and get back to you
Posted By: dbzac
Date Posted: January 15, 2020 at 7:36 AM
mgoetz74 wrote:
dbzac] wrote:
I'm using a coil
that's probably your problem.. use a injector black/white, black/yellow, black/blue, or black/org
I tapped an injector and re learned the tach signal but the car still shuts down when fans are on high. I haven't had a chance to test when a/c is on but I suspect nothing has changed
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