LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Engine Control System - Diagnostic Codes (07 Of 10)) >> SFI SYSTEM (for Gasoline Model) >> DTC P0627-14: Fuel Pump "A" Control Circuit Short to Ground or Open [10/2022 - ] >> Description

DTC P0627-14: Fuel Pump "A" Control Circuit Short to Ground or Open [10/2022 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0627-12.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
P0627-14 Fuel Pump "A" Control Circuit Short to Ground or Open When the fuel pump control ECU operation duty ratio is 3 to 65%, the FPC terminal voltage is a certain value or less for 3 seconds or more (1 trip detection logic).
  • Open or short in fuel pump control ECU circuit
  • Fuel pump control ECU
  • EFI-MAIN NO. 2 relay
  • ECM
  • Except Mexico Models: Comes on
  • For Mexico Models: Does not come on
Engine A
  • SAE Code: P0628
  • DTC for Mexico Models: Applies
RELATED DATA LIST

DTC No. Data List
P0627-14 Fuel Pump Control Duty Ratio