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Home >> Lexus >> 2017 >> NX 200t Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (7 Of 9) >> SFI System >> DTC P125A-14: Fuel Flow Control Valve Circuit Short to Ground or Open [10/2014 - ] >> Monitor Description
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Monitor Description

The ECM monitors the output voltage of the pressure discharge valve assembly. The pressure discharge valve assembly turns on and off according to ON/OFF switching of a transistor inside the ECM.

If a continuous mismatch occurs between the ECM transistor state and the output voltage, the ECM evaluates a malfunction in the pressure discharge valve assembly circuit and stores a DTC.

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