Where is knock sensor on 01 highlander 6-cylinder 4 cam?

On a 2001 Toyota Highlander with a 6-cylinder engine, the knock sensor is located on the engine block, typically near the cylinder head. Specifically, it can be found on the driver's side, below the intake manifold. Accessing it may require removing some components, such as the intake manifold, for easier reach. Always refer to a repair manual for detailed guidance specific to your vehicle.