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Knock Sensor: Inspection

  1. DRAIN ENGINE COOLANT 
  2. REMOVE AIR CLEANER HOSE 
  3. REMOVE NO.2 TIMING BELT COVER (See  REMOVAL  ) 
  4. REMOVE INTAKE AIR CONNECTOR ASSEMBLY (See  REMOVAL  ) 
  5. REMOVE FUEL PRESSURE REGULATOR (See  REMOVAL   ) 
  6. REMOVE INTAKE MANIFOLD ASSEMBLY (See  REMOVAL  ) 
  7. REMOVE WATER BYPASS PIPE AND KNOCK SENSOR WIRE (See  REMOVAL  ) 
  8. REMOVE KNOCK SENSORS 

    Using SST, remove the knock sensor.

    SST 09817-16011

    Fig 1: Removing Knock Sensor Using SST
    G04241398Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSPECT KNOCK SENSORS 

    Using an ohmmeter, check that there is no continuity between the terminal and body.

    If there is continuity, replace the sensor.

    Fig 2: Checking For Continuity Between Knock Sensor Terminal & Body
    G04241399Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REINSTALL KNOCK SENSORS 

    Using SST, install the knock sensor.

    SST 09817-16011

    Torque: 39 N.m (400 kgf.cm, 29 ft.lbf) 

  11. REINSTALL WATER BYPASS PIPE AND KNOCK SENSOR WIRE (See  INSTALLATION  ) 
  12. REINSTALL INTAKE MANIFOLD ASSEMBLY (See  INSPECTION  ) 
  13. REINSTALL FUEL PRESSURE REGULATOR (See  INSTALLATION   ) 
  14. REINSTALL INTAKE AIR CONNECTOR ASSEMBLY (See  INSTALLATION  ) 
  15. REINSTALL NO.2 TIMING BELT COVER (See  INSTALLATION  ) 
  16. REINSTALL AIR CLEANER HOSE 
  17. REFILL WITH ENGINE COOLANT 
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