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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (5 Of 5) >> DTC/Circuit Diagnosis >> DTC P2562, P2566: WASTEGATE Control Valve Position Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P2562 or P2566 is displayed with DTC P0643 first perform the trouble diagnosis for DTC P0643. Refer to DTC Description .

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P2562

00

TC BOOST CONTROL POSITN SEN A

(Turbocharger boost control position sensor A circuit)

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 4.7 V or more.

Diagnosis delay time

5 consecutive seconds

P2566

00

TC BOOST CONTROL POSITN SEN A

(Turbocharger boost control position sensor A circuit intermittent)

Diagnosis condition

--

Signal (terminal)

--

Threshold

ECM detects the following status continuously for 0.5 seconds or more:

A voltage signal transmitted from the wastegate control valve position sensor is 0.25 V or less.

Diagnosis delay time

5 consecutive seconds