Toyota Tundra Service Manual: Components

Unlock Warning Switch

Inspection

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Toyota Tundra Service Manual > Sfi System: Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) (P0327,P0328,P032C,P032D,P0332,P0333,P033C,P033D)
DESCRIPTION A flat type knock sensor (non-resonant type) has a structure that can detect vibrations between approximately 5 kHz and 15 kHz. Knock sensors are fitted onto the engine block to detect engine knocking. The knock sensor contains a piezoelectric element which generates a voltage when it be ...