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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Engine Control System Self Diagnostics - 4-Cylinder) >> Diagnostic Tests >> DTC P0325: Knock Sensor 1 Circuit Malfunction >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.

Knock sensor generates voltage when engine block vibrates due to knocking. Knock sensor may also be referred to as knock sensor No. 1.

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