Knock Sensor: Inspection

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