2010 mazda 3 no crank
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=135178
Printed Date: May 13, 2025 at 6:40 PM
Topic: 2010 mazda 3 no crank
Posted By: engaged_audio
Subject: 2010 mazda 3 no crank
Date Posted: October 30, 2013 at 3:20 PM
Hey all. I installed a Autostart 2371-tw-fm into a Mazda 3 (Manual). I am running a ADS-TB with FM-2 firmware for the bypass. I cannot get the unit to crank. I can arm it and remove the key and it continues to run, shut it down. But when I try to start it, it seems like it tries to start but doesn't crank. It then gives me 3 flashes. Which appears to be a VTS / tach fail.
Any ideas? I am lost on this one.
Replies:
Posted By: kreg357
Date Posted: October 30, 2013 at 4:23 PM
A couple of thoughts...
1. Clutch bypass?
2. I'm not familiar with Autostart units, but do they require running in Tach Mode for manual transmission vehicles? If yes, did you get a successful tach learn?
3. Did the ADS TB FM2 program as per the install guide?
Might try a remote start while depressing the clutch pedal.
Might try a remote start with the power disconnect to the ADS TB and a working key in the ignition switch - not turned.
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Soldering is fun!
Posted By: engaged_audio
Date Posted: October 31, 2013 at 9:58 AM
You hit it right on the head. It was the clutch bypass. That's what I get for being lazy. I did a Mazda before that had a positive clutch bypass, but this was negative. Rookie mistake....
No clutch, no crank.
Thanks!
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