3 Vze Knock Sensor . I think the RX may have a different setup to the ES and the picture psoted here isnt helping? Knock sensor is located in the wall of the engine block facing the firewall. 2 wire knock sensor VS one wire knock sensor 3vze ... (Howard Frazier) So what you want to do is mimic the voltage output. Basically being a microphone, the knock sensor senses the. Home Battery, Electrical & Wiring Relays, Switches & Sensors Sensors Knock Sensor. The control unit checks the signal with the values stored specification and intervene to control the engine, the fuel injection and the ignition to the extent. I have been trying to find the page in the repair manual but cant. Toyota 4Runner 1984 to 1995 How to Replace Knock Sensor ... 2nd Gen 3VZE engine: R U thinking of doing timing belt ... Knock Sensor- Toyota 4Runner, Avalo