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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 104 (Engine Control System - Diagnostic Codes (5 Of 7)) >> SFI SYSTEM (for 1Motor-HEV Model) >> DTC P0627-12: Fuel Pump "A" Control Circuit Short to Battery [09/2023 - ] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.

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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