A: The Knock Sensor can be removed using 2AZ-FE engine by means of releasing fuel pressure, emptying the coolant, and disconnecting the negative battery post. Disassemble several parts such as the wiper arms, cowl panel, engine cover and intake manifold. Lastly, de-attach the sensor connector and take off the sensor.
A: In order to install the Knock Sensor, coolant drain, remove the air cleaner, and the accelerator control cable. Disconnect the throttle body, cylinder head cover and intake manifold. Special Service Tool 09816-30010 should be used to change the knock sensor. Resemble assembly, verify appropriate torque requirements, and examine leaks of coolant.