Thread: Mazdaspeed 3
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Old 30-07-2017, 12:13 AM
Puddin15 Puddin15 is offline
Junior Member
Join Date: Aug 2016
Location: Colorado
Posts: 20
Default Re: Mazdaspeed 3

Hi Richard,

Finally got the system up and running and ran into hopefully a small issue. I'm using an over boost fail-safe device that controls the bypass valve which I've connected to the Aquamist system using the Orange wire from the RJ48 connector.

The issue I'm seeing is the fail-safe device is constantly in a tripped state. I believe this is because the fail-safe is triggered by either a 5-12V or GND signal. After looking back through the literature, it appears that the Orange wire is either in a GND or 5-8V state... which basically means the fail-safe will always be tripped.

Should I use the Orange wire with this fail-safe and if not, is there a way to connect to only a high side or low side fail-safe signal?
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