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 [11/2023 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
P0451: CANISTER PRESSURE SENSOR NOISE MONITORING

Frequency that EVAP pressure change 0.3 kPa [0.04 psi] or higher 10 times or more in 10 seconds
P0452: CANISTER PRESSURE SENSOR VOLTAGE LOW

EVAP system pressure sensor voltage (EVAP pressure) Less than 0.45 V [Less than 42.110 kPa (abs) (6.106 psi (abs))]
P0453: CANISTER PRESSURE SENSOR VOLTAGE HIGH

EVAP system pressure sensor voltage (EVAP pressure) Higher than 4.9 V [Higher than 123.761 kPa (abs) (17.945 psi (abs))]