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Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (5 Of 5) >> DTC/Circuit Diagnosis >> DTC P2564, P2565: WASTEGATE Control Valve Position Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P2564

00

TC BOOST CONTROL POSITN SEN A

(Turbocharger boost control position sensor A circuit low)

Diagnosis condition

--

Signal (terminal)

--

Threshold

ECM detects the following status continuously for 5 seconds or more: A voltage signal transmitted from the wastegate control valve position sensor is 0.50 V or less.

Diagnosis delay time

5 consecutive seconds

P2565

00

TC BOOST CONTROL POSITN SEN A

(Turbocharger boost control position sensor A circuit high)

Diagnosis condition

--

Signal (terminal)

--

Threshold

ECM detects the following status continuously for 5 seconds or more: A voltage signal transmitted from the wastegate control valve position sensor is 4.40 V or more.

Diagnosis delay time

5 consecutive seconds