LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2020 >> Q50 Edition 30, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (2 Of 6) >> Description >> System >> Engine Control System >> System Description >> System Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

System Description

ECM controls the engine by various functions.

Function

Reference

Direct injection gasoline system

Refer to System Description .

Fuel pressure control

Refer to System Description .

Engine oil pressure control system

Refer to System Description .

Electric ignition system

Refer to System Description .

Air conditioning cut system

Refer to System Description .

Automatic speed control device (ASCD)

Refer to System Description .

CAN communication

Refer to System Description .

Cooling fan control

Refer to System Description .

Thermal management control

Refer to System Description .

Evaporative emission system

Refer to System Description .

Fuel filler cap warning system

Refer to System Description .

Intake valve timing control

Refer to System Description .

Exhaust valve timing control

Refer to System Description .

Turbocharger boost control

Refer to System Description .

Fuel pump control module (FPCM)

Refer to System Description .

Infiniti Drive Mode Selector

Refer to System Description .

Oil control system

Refer to System Description .