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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 5) >> DTC/Circuit Diagnosis >> DTC P050A, P050B, P050E: Cold Start Control >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P050A

00

COLD START CONTROL

(Cold Start Idle Control System Performance)

Diagnosis condition

--

Signal (terminal)

--

Threshold

ECM does not control engine idle speed properly when engine is started with pre-warming up condition

Diagnosis delay time

--

P050B

00

COLD START CONTROL

(Cold start ignition timing performance)

Diagnosis condition

--

Signal (terminal)

--

Threshold

ECM does not control ignition timing properly when engine is started with pre-warming up condition

Diagnosis delay time

--

P050E

00

COLD START CONTROL

(Cold start engine exhaust temperature too low)

Diagnosis condition

--

Signal (terminal)

--

Threshold

The temperature of the catalyst inlet does not rise to the proper temperature when the engine is started with pre-warming up condition

Diagnosis delay time

--