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Home >> Infiniti >> 2019 >> QX50 Essential, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 12) >> DTC/Circuit Diagnosis >> DTC P0046: WASTEGATE Control Motor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0046

00

TC/SC BOOST CONTROL A

(Turbocharger/supercharger boost control A circuit range/performance)

Diagnosis condition

--

Signal (terminal)

--

Threshold

When the following conditions are detected due to a malfunction in electric wastegate actuator motor:

  • Motor drive duty is 100% or more.
  • The difference between target stroke and actual stroke is 1.95mm (0.0768 in) or more.

Diagnosis delay time

5 consecutive seconds
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