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Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Engine Control System - Diagnostic Codes (P0520-P0627)) >> SFI System >> DTC P0627-12: Fuel Pump "A" Control Circuit Short to Battery [03/2022 - ] >> Monitor Description

Monitor Description

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The ECM monitors the fuel pump control ECU operation signals.

When the output duty ratio of the operation signal from the ECM is 3 to 65% and the FPC terminal voltage is a certain value or more for 3 seconds or more, the ECM stores a DTC.

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