LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 768 (Engine Control System - DTCS P0447 To P0850) >> DTC P0451 EVAP Control System Pressure Sensor >> On Board Diagnosis Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

On Board Diagnosis Logic

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If DTC P0451 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to "DTC P0643 SENSOR POWER SUPPLY ".
DTC DETECTING CONDITION & POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0451
0451
EVAP control system pressure sensor performance ECM detects a sloshing signal from the EVAP control system pressure sensor
  • Harness or connectors
  • EVAP control system pressure sensor