DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 87 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0520-P05A2)) >> SFI System >> DTC P0520-24: Engine Oil Pressure Sensor/Switch "A" Signal Stuck High; DTC P0520-2A: Engine Oil Pressure Sensor/Switch "A" Signal Stuck in Range [11/2023 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
HIGH PRESSURE MONITOR

Both of the following conditions are met -
Engine coolant temperature 70°C (158°F) or higher
Engine coolant temperature sensor malfunction (P0117, P0118) Not detected
STUCK MONITOR

All of the following conditions are met -
Engine speed Higher than 400 rpm, and 3500 rpm or less
Engine oil pressure sensor malfunction (P0521, P0522, P0523) Not detected
Engine coolant temperature 40°C (104°F) or higher (varies with engine coolant temperature at engine start)
Engine coolant temperature sensor malfunction (P0117, P0118) Not detected
Engine oil pressure 29 kPa (4 psi) or higher