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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  REPLACEMENT  ) 
  4. REMOVE V-BANK COVER SUB-ASSEMBLY (See  REMOVAL   ) 
  5. DISCONNECT FUEL RETURN HOSE (see  REMOVAL  ) 
  6. DISCONNECT FUEL MAIN HOSE (see  REMOVAL  ) 
  7. REMOVE INTAKE AIR CONNECTOR PIPE (See  REMOVAL   ) 
  8. REMOVE INTAKE MANIFOLD ASSEMBLY (see  REMOVAL  ) 
  9. REMOVE AIR PUMP ASSEMBLY (See  DISASSEMBLY  ) 
  10. REMOVE KNOCK CONTROL SENSOR 
    1. Disconnect the 2 knock sensor connectors.
    2. Remove the nut and 2 knock sensors.
      Fig 1: Removing Nut And Knock Sensor
      G05196937Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002