LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2019 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 13) >> DTC/Circuit Diagnosis >> DTC U0284 Active Grille Shutter >> DTC Logic >> Fail-Safe >> Engine Control System
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Control System

Fail safe mode Vehicle behavior
Device fix mode
  • Fixes electric intake valve timing control motor in the reference position.
  • Fixes exhaust valve timing control solenoid valve in the reference position.
Others ECM operate active grille shutter to fully-open position
scientia non olet · About LEMON Manuals