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Home >> Infiniti >> 2024 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (4 Of 7) >> Engine (ECM) >> P05EC Cold Start Control >> DTC Description
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DTC Description

ECM controls fuel injection timing and fuel injection quantity when engine is started with the engine cold. This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions.

DTC DETECTION LOGIC 

DTC No. CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P05EC COLD START CONTROL
(Cold start emission reduction strategy monitoring)
ECM does not control fuel injection timing properly when engine is started with the engine cold.

POSSIBLE CAUSE 

ECM

FAIL-SAFE 

Not applicable