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Home >> Toyota >> 2012 >> Prius Two >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 140 (Vehicle Proximity Notification System (Plug-In) (Diagnostics & Circuit Tests)) >> Vehicle Proximity Notification System >> Circuit Tests >> Engine Oil Pressure Switch Circuit >> Description
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Engine Oil Pressure Switch Circuit: Description

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The vehicle approaching speaker controller detects engine operation by monitoring the signal from the engine oil pressure switch assembly. Vehicle approaching speaker operation is disabled when the vehicle approaching speaker controller receives a signal from the engine oil pressure switch assembly indicating that the engine is operating.