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Home >> Toyota >> 2020 >> RAV4 LE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 158 (Engine Control System (A25A-FXS) (W/ Canister Pump Module) - Diagnostic Codes (12 Of 13)) >> SFI SYSTEM (w/ Canister Pump Module) >> DTC P2450-7E: Evaporative Emission System Switching Valve Actuator Stuck On; DTC P2451-7F: Evaporative Emission System Switching Valve Actuator Stuck Off [02/2019 - 06/2020] >> DTC Summary

DTC Summary

WARNING: This page is about a different variant/trim than selected.
DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P2450-7E Evaporative Emission System Switching Valve Actuator Stuck On Either of the following conditions is met when fuel tank pressure is higher than -2 kPa(gauge) [-0.3 psi(gauge)], and less than 3 kPa(gauge) [0.4 psi(gauge)].
  • Fuel tank pressure change when vacuum introduction for canister is higher than 0.5 kPa [0.07 psi]
  • EVAP pressure when vacuum introduction for canister was complete is higher than (third reference pressure x 0.2)
  • Fuel vapor-containment valve
  • Connector/wire harness (fuel vapor-containment valve - ECM)
  • ECM
Comes on DTC stored SAE Code: P2450
P2451-7F Evaporative Emission System Switching Valve Actuator Stuck Off Either of the following conditions is met:
  • Fuel tank pressure change when vacuum introduction for canister is less than 0.5 kPa [0.07 psi]
  • EVAP pressure change when fuel vapor-containment valve is open is less than 0.9 kPa [0.1 psi]
  • Fuel vapor-containment valve
  • Connector/wire harness (fuel vapor-containment valve - ECM)
  • ECM
Comes on DTC stored SAE Code: P2451
DTC No. Monitoring Item Detection Timing Detection Logic SAE Code
P2450-7E Fuel vapor-containment valve stuck open EVAP monitoring
(ignition switch off)
2 trip P2450
P2451-7F Fuel vapor-containment valve stuck close P2451