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Home >> Infiniti >> 1990 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Self-Diagnostic System >> Mode I

Mode I

This is the normal vehicle operating mode. If a malfunction occurs in Mode I, Red LED and CHECK ENGINE light will illuminate, indicating an ECCS malfunction has occurred. With ignition on and engine off, normal response is Red LED and CHECK ENGINE light to illuminate steadily as a bulb check.