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Home >> Infiniti >> 2007 >> M35 V6-3.5L (VQ35DE) >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation
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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.
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