SECU-3T unit intended for controlling ignition, fuel injection, AFR on carburetor, gas dispenser, idle cut-off valve, power valve, starter’s relay, cooling fan, fuel pump, intake manifold heater, carburetor’s choke (autochoke) and other devices and actuators of vehicle. It is budgetary ECU.

Doesn’t contain embedded power drivers for ignition coil(s), fuel injectors, IAC actuator and stepper motor. You need to use external driver boards depending on the selected configuration (BIP373, stepper motor driver, Hi-Z or Lo-Z injector’s driver etc).

• Outputs of this revision of unit have no short circuit and over temperature protection (protection can be added by using ZXMS6004 instead of BC817)
• Support of 1,2,3,4,5,6,8 cylinder engines (even-fire)
• Full sequential ignition, wasted spark ignition, ignition with HV distributor
• Central injection, simultaneous injection, semi-sequential injection, full sequential injection
• Synchronization options: Hall sensor, 1 CKP VR type sensor with missing tooth wheel , 2 CKP VR sensors with non-missing tooth wheel and more options
• 5 sets of maps, one of which can be edited in the real time
• USB interface
• Open source software which doesn’t require registration
• Ability to install Bluetooth for wireless connection with PC or smart phone
• Embedded 2.5 bar MAP sensor can be installed (see photo)

Software for tuning: SECU-3 Manager. Latest software can be downloaded from our site.

Latest software is here: https://secu-3.org/forum/viewtopic.php?p=72208#p72208

Installation manual: https://secu-3.org/en/installation-manual-secu-3t/

Product description: https://secu-3.org/en/blok-secu-3t-s-dad/

Examples of wiring diagrams: https://secu-3.org/en/wiring-secu-3t/

See more information on the our site: http://secu-3.org