Knock Sensor: Inspection

REMOVE THROTTLE BODY COVER
REMOVE INTAKE AIR CONNECTOR
REMOVE INTAKE MANIFOLDS ASSEMBLY (See REMOVAL )
INSPECT KNOCK SENSORS 1 AND 2
1. Disconnect the knock sensor connectors.
2. Using an ohmmeter, measure the resistance between terminals.
Resistance: 120 to 280 kΩ at 20°C (68°F)

HINT:

If the resistance is not as specified, replace the sensor.

Fig 1: Inspecting Knock Sensor 1 And 2
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE KNOCK SENSOR
1. Disconnect the 2 knock sensor connectors.
2. Remove the 2 nuts and 2 knock sensors.
Fig 2: Removing Knock Sensors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL KNOCK SENSOR
1. Install the 2 knock sensors with the 2 nuts as shown in Fig 3 .
  Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
  
  Fig 3: Installing Knock Sensor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the 2 knock sensor connectors.
INSTALL INTAKE MANIFOLD ASSEMBLY (See INSTALLATION )
INSTALL INTAKE AIR CONNECTOR
INSTALL THROTTLE BODY COVER