2. Remove the knock sensor by first disconnecting its connector.
3. Using an ohmmeter, verify that there is no continuity between the sensor terminal and the housing. Otherwise, replace the sensor.
4. Install the knock sensor back and connect its connector. Torque:
- 3S-FE, 3S-GE, 4A-FE and 4S-FE: 44 Nm
- 7A-FE: 37 Nm
5. Connect (-) wire to the negative battery terminal.