ECU 20995620 Brand new engine control unit fit for Volvo D13C FH13 FM13

ECU 20995620 Brand new engine control unit fit for Volvo D13C FH13 FM13

Manufacturer number: 20995620

Country/Region of Manufacture: China

Function: To use data acquisition and exchange of various sensors and buses to judge the vehicle status and the owner’s intention and control the vehicle through the actuator.

Composition: It is composed of microprocessor, memory, output/input interface, analog-to-digital converter, shaping, driving and large-scale integrated circuit.

Working principle: When the engine is running, ecu collects signals from various sensors, compares and calculates them, and converts the results of comparison and calculation into control signals to control ignition, air fuel ratio, idle speed, exhaust gas re-circulation and other parameters of the engine.

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The Engine Control Unit (ECU) is the core of the automotive engine control system. It can provide the engine with the optimal air-fuel ratio mixture and ignition time according to different operating conditions, so that the engine is always in the best working state, thereby achieving the best performance (power, economy, emissions). The working principle of ECU is similar to that of a regular computer, consisting of a microprocessor (MCU), memory (ROM, RAM), input/output interfaces (I/O), analog-to-digital converters (A/D), and large-scale integrated circuits such as shaping and driving. It can be metaphorically referred to as the “brain of a car”. The voltage working range of ECU is generally 6.5-16V (with a voltage stabilizing device at key internal points), with a working current of 0.015-0.1A and a working temperature of -40 ℃ -80 ℃.

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https://www.sukorun.com/product-category/truck-and-bus-parts/ecu/