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Knock Sensor: Removal

  1. DISCHARGE FUEL SYSTEM PRESSURE (See  REMOVAL  ) 
  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
  3. DRAIN ENGINE COOLANT (See  COOLANT  ) 
  4. REMOVE V-BANK COVER (See  REMOVAL  ) 
  5. REMOVE NO. 1 AIR CLEANER INLET (See  REMOVAL  ) 
  6. REMOVE INTAKE AIR CONNECTOR PIPE (See  REMOVAL  ) 
  7. REMOVE INTAKE MANIFOLD 
    1. Remove the intake manifold (see REMOVAL ).
  8. REMOVE KNOCK SENSOR 
    1. Disconnect the 2 knock sensor connectors.
    2. Remove the 2 nuts and 2 knock sensors.
      Fig 1: Identifying Knock Sensor
      G05291612Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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