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2. Electronic control unit - Wikipedia

   en.wikipedia.org/wiki/Electronic_control_unit

   An electronic control unit (ECU), also known as an electronic control module (ECM), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle.

3. Engine control unit - Wikipedia

   en.wikipedia.org/wiki/Engine_control_unit

   An engine control unit (ECU), also called an engine control module (ECM), [1] is a device that controls various subsystems of an internal combustion engine. Systems commonly controlled by an ECU include the fuel injection and ignition systems.

4. Transmission control unit - Wikipedia

   en.wikipedia.org/wiki/Transmission_Control_Unit

   The TPS sensor along with the vehicle speed sensor are the two main inputs for most TCUs. Older transmissions use this to determine engine load, with the introduction of drive-by-wire technology, this is often a shared input between the ECU and TCU. The input is used to determine the optimum time and characteristics for a gear change according ...

5. Automotive electronics - Wikipedia

   en.wikipedia.org/wiki/Automotive_electronics

   All these sensor signals are sent to the ECU, which has the logic circuits to do the actual controlling. The ECU output is connected to different actuators for the throttle valve, EGR valve, rack (in VGTs), fuel injector (using a pulse-width modulated signal), dosing injector and more. There are about 20 to 30 actuators in all.

6. Best OBD-II Scanners for 2024, Tested - AOL

   www.aol.com/best-obd-ii-scanners-2023-223000386.html

   This port is like a direct connection to your car's critical ECU components, similar to monitoring the health of a body's vital systems. ... We were able to access five system and actuator tests ...

7. Electronic Diesel Control - Wikipedia

   en.wikipedia.org/wiki/Electronic_Diesel_Control

   ECM (Electronic Control Module ) or Engine ECU (Electronic Control Unit) with microprocessors which process information from various sensors in accordance with programmed software, and outputs the required electrical signals into actuators and solenoids.