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 P0520-12: Engine Oil Pressure Sensor/Switch "A" Circuit Short to Battery; DTC P0520-14: Engine Oil Pressure Sensor/Switch "A" Circuit Short to Ground or Open [11/2023 - ] >> Monitor Description

Monitor Description

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The ECM calculates the engine oil pressure based on the output voltage of the oil pressure sensor. If the signal output from the oil pressure sensor is outside of the specified range, the MIL is illuminated and a DTC is stored.