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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (4 Of 6) >> Engine (ECM) >> DTC P1233: Electric Throttle Control Function >> DTC Description >> VR30DDTT engine >> Fail-Safe
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VR30DDTT engine: Fail-Safe

Fail safe mode

Vehicle behavior

Device fix mode

  • Fixes electric intake valve timing control motor in the reference position.
  • Fixes exhaust valve timing control solenoid valve in the reference position.

Others

ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return spring.