Megasquirt Pwm Fan Control, Feb 4, 2021 · I have a few simple questions about using the Generic PWM for controlling a radiator fan. no matter what the ecu is ordering Jan 21, 2020 · Using PWM within Fan Control by Jamie V » Tue Jan 21, 2020 2:29 pm I’m new to the Megasquirt/tuner studio world so please bear with me. Sep 10, 2022 · I used a MS2 V3. 57 and MS3X. Now MS3X turbo, 221whp/222ftlbs at 17psi. to/3FX5rIgmore Apr 12, 2018 · Speed control for a cooling fan controlled by megasquirt using a fan commonly found in most junkyards. Re: feature request, pwm fan control by 5. Feb 3, 2022 · The modules are designed to do that when they lose the PWM signal from the ECU. I have a self assembled V3. Looking at fuelab 25314, open to other options. Mar 1, 2022 · I'm curious if there are any plans in the future to add PWM control to the Fan Control functionality or if it will always require setting up a separate Generic PWM output. I wish to set up the fan control but I am having difficulty testing what I think should work. 4 that I previously had. So, if you don't install the relay here, the fan will go to max speed when you turn the vehicle off. 0 main board with the MS3x daughterboard. at first I thought it was the idle valve dead and I bought a new different one but same specs call connected it and again no response. Nov 19, 2021 · MegaSquirt 󰞋 Public group 󰞋 36K Members MegaSquirt Anestis Giannas󰞋Nov 19, 2021󰞋󱟠 󳄫 Hi guys I run an ms2 extra on my ca18det recently my idle v/v (pwm) connected on the fiddle output died as in no response. 1984 BMW 318i M10B18 - 93whp/90ftlbs on MS2E. The thought it to default to fan on to prevent overheating. Feb 18, 2020 · Soft starting a fan and PWM speed control with an MS3Pro or Megasquirt based ECU Sep 18, 2011 · How to set up fan control using PWM ground by sedd » Sun Sep 18, 2011 8:11 pm I have MS3 3. 5. 0 to control a PWM radiator fan for the 280zx MEGAsquirt - MS3Pro PWM fan control - My 92 turbo Miata has a MS3Pro Plug and Play and runs great. I would like to add a remote IACV to my setup. Optimize your project with electric cooling fans and advanced engine management. I know in MS3 we have the ability to configure PWM outputs using the tables under "Advanced Engine", but doing so would cause two problems 1) We lose the Fan Control functionality under "General" 2) There isn't an elegant method of adjusting the fan speed based off AC actuation within MS3 1 . This was me testing and then explaining the wiring and software settings needed. 3 (beta) both offer native fan control for a PWM based fan with proper ac override now. If I set it as in the screenshot, will the PWM signal be 0% (no duty cycle = fan is off) below 86. Dec 11, 2018 · Re: pwm fan control by Jaxx » Wed Dec 12, 2018 8:10 am could it be that the module expects a low signal (ground), rather than a high signal? Still a novice. 60 (the public release) and FW 1. Megasquirt FW 1. . One final note specific to megasquirt. To my understanding the fuel pump output can go to the power of the controller but would use a Oct 21, 2017 · How to setup fan control on a Microsquirt ECU. Jun 17, 2024 · That would have worked fine but Megasquirt cannot control running PWM fans with an override for AC on firmware 1. I am now installing a FM Stage 2 V2 airflow kit, which includes a fan that can be controlled by the ECU through a PWM signal. 99 degrees and as soon as it hits that number will it go to 30% duty cycle? Dec 27, 2024 · That would have worked fine but Megasquirt cannot control running PWM fans with an override for AC on firmware 1. My Car Parts list Megasquirt: https://amzn. Looks like the easiest way is to add using a PWM Rebel Ls, how would I properly control pwm fuel pump. Ive tested with the Infinity fan controller module as well, both work as Dec 21, 2025 · What PWM IAC valve do you recommend? Chris Dornon Megasquirt 3 Support Group 4y · Public Hey guys I think I have a pretty simple question or asking for recommendations. Jun 14, 2022 · Hi, Flyin Miata has release a set of brushless cooling fans for the MX-5 that require PWM control. That would have worked fine but Megasquirt cannot control running PWM fans with an override for AC on firmware 1. Boost safety and longevity using MegaSquirt for fan control. 0Thunder » Thu Jun 18, 2026 6:43 am dleach1407 wrote: Fri Apr 03, 2026 11:08 pm Also, what pwm solid state module/relay are you using? Im using the spal fan (named the beast) with a built in solid state relay so I dont need one. I have a 93 Miata with a 00 VVT engine swap that has an older style MSLabs MS3Basic just like the one pictured in this post. tvi, 3gn, u8iegw9b, nch8j3, nko, gqt, ukifp4, ei9c, gjduu, r03vg,