DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 50 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0400-P0450)) >> SFI System >> DTC P0450-11: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Ground; DTC P0450-15: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Battery or Open; DTC P0450-2F: Evaporative Emission System Pressure Sensor/Switch Signal Erratic [10/2022 - 11/2023] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different variant/trim than selected.
Required Sensors/Components (Main) Canister pump module
Required Sensors/Components (Related) -
Frequency of Operation Continuous
Duration 0.5 seconds: P0452 and P0453
Less than 15 seconds: P0451
MIL Operation Immediate: P0452 and P0453
2 driving cycles: P0451
Sequence of Operation None