Page 1200 - Workshop Manual - Tunland (2017)
P. 1200
11-12 ENGINE CONTROL SYSTEM - ENGINE CONTROL MODULE（ECM）
11
ENGINE CONTROL MODULE（ECM）
HOW IT WORKS
The engine control module is the core part of the
engine electronic control system, function is to
calculate, process and judge the information inputted
from the intake mass flow sensor and various
sensors based on the memory program and data,
then output instructions, provide electrical pulse
signals with certain width to the fuel injector to
control the injection quantity.To ensure good power,
fuel economy and emission. The electronic control
module is composed of microcomputer, input, output
and control circuit.
