Knock Sensor: Inspection

REMOVE THROTTLE BODY COVER
REMOVE INTAKE AIR CONNECTOR
DISCONNECT THROTTLE BODY FROM INTAKE MANIFOLDS (See INSPECTION )
REMOVE UPPER AND LOWER INTAKE MANIFOLDS ASSEMBLY (See CYLINDER HEAD (2UZ-FE) )
INSPECT KNOCK SENSORS
1. Disconnect the knock sensor connectors.
2. Using an ohmmeter, check that there is no continuity between the terminal and body.
  
  Fig 1: Checking Continuity Between Terminal And Body
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If there is continuity, replace the sensor with SST.
  
  SST 09816-30010
  
  Torque: 45 N.m (450 kgf.cm, 33 ft.lbf)
3. Reconnect the knock sensor connectors.
REINSTALL UPPER AND LOWER INTAKE MANIFOLDS ASSEMBLY (See CYLINDER HEAD (2UZ-FE) )
REINSTALL THROTTLE BODY TO INTAKE MANIFOLDS (See INSPECTION )
REINSTALL INTAKE AIR CONNECTOR
REINSTALL THROTTLE BODY COVER

Fig 2: Installing Sensor With SST
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002