FX45 AWD V8-4.5L (VK45DE) (2006)
Engine Control Module: Description and Operation
ECM POWER SUPPLY
Component Description
Battery voltage is supplied to the ECM even when the ignition switch is turned OFF for the ECM memory function of the DTC memory, the air-fuel ratio
feedback compensation value memory, the idle air volume learning value memory, etc.
ECM
Component Description
The ECM consists of a microcomputer and connectors for signal input and output and for power supply. The ECM controls the engine.