What does ecm module mean?

Automobile ecm refers to the electronic control module of the engine, which has the function of continuously monitoring and controlling the normal operation of the engine. In modern engine management system, engine control module is the core control component.

Automotive engine control module is one of the most important automotive electronic products. It can provide the engine with the best air-fuel ratio mixture and the best ignition time according to the different working conditions of the engine, so that the engine is always in the best working state, and its performance, power, economy, emission and performance are all the best.

The automotive engine control module controls the following components:

(1) fuel injection system;

(2) ignition system;

(3) emission control system;

(4) On-board diagnosis system;

(5) Air conditioning and fan system;

(6) Throttle actuator control (TAC) system.

The automobile engine control module monitors information from various sensors and other input signals, and controls those systems that affect vehicle performance and emissions. The automobile engine control module also carries out diagnostic tests on various components of the system, and can identify operational faults and report them to the driver through the fault indicator light.