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Knock Sensor: Removal

  1. DISCHARGE FUEL SYSTEM PRESSURE 

    HINT:

    See PRECAUTION .

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    CAUTION: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  3. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH  (See REMOVAL )
  4. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH  (See REMOVAL )
  5. REMOVE HOOD TO COWL TOP SEAL  (See REMOVAL )
  6. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY  (See REMOVAL )
  7. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY  (See REMOVAL )
  8. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY  (See REMOVAL )
  9. REMOVE COOL AIR INTAKE DUCT SEAL  (See REMOVAL )
  10. REMOVE NO. 2 ENGINE ROOM SIDE COVER LH  (See REMOVAL )
  11. DRAIN ENGINE COOLANT (for Engine)  (See REPLACEMENT )
  12. REMOVE AIR CLEANER CAP SUB-ASSEMBLY  (See REMOVAL )
  13. REMOVE AIR CLEANER CASE SUB-ASSEMBLY  (See REMOVAL )
  14. SEPARATE BRAKE MASTER CYLINDER RESERVOIR SUB-ASSEMBLY  (See REMOVAL )
  15. REMOVE AIR CLEANER BRACKET  (See REMOVAL )
  16. REMOVE ENGINE MOVING CONTROL ROD  (See REMOVAL )
  17. REMOVE EMISSION CONTROL VALVE SET  (See REMOVAL )
  18. REMOVE INTAKE AIR SURGE TANK  (See REMOVAL )
  19. DISCONNECT FUEL PIPE SUB-ASSEMBLY 
    1. Remove the No. 1 EFI fuel pipe clamp.
    2. Pinch the quick connector and then pull out the No. 1 fuel pipe.
      NOTE:
      • Remove dirt or foreign objects on the quick connector before disconnecting the connector.
      • Do not allow any scratches or foreign objects on the connecting surfaces when disconnecting as the fuel hose connector has the O-ring that seals the pipe.
      • Perform this work by hand. Do not use any tools.
      • Do not forcibly bend, twist or turn the nylon tube.
      • Protect the connecting surfaces by covering them with a vinyl bag after disconnecting the pipe.
      • If the quick connector and pipe are stuck, push and pull to release them.
        Fig 1: Identifying EFI Fuel Pipe Clamp No.1
        G05275803Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. DISCONNECT INLET HEATER WATER HOSE 
    1. Disconnect the inlet heater water hose.
    Fig 2: Locating Heater Water Inlet Hose
    G05200262Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. DISCONNECT INLET RADIATOR HOSE 
    1. Disconnect the inlet radiator hose.
    Fig 3: Locating Radiator Hose Inlet
    G05200272Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE INTAKE MANIFOLD 
    1. Remove the nut and disconnect the ground cable.
      Fig 4: Locating Ground Cable Nut
      G05200264Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 6 fuel injector connectors.
      Fig 5: Locating Fuel Injector Connectors
      G05275807Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. In order to remove the intake manifold, using several steps, remove the 9 bolts, 2 washers and 2 nuts in the sequence shown in the illustration.
      4. Fig 6: Identifying Intake Manifold Bolts Removing Sequence
      G05625756Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE OUTLET WATER  (See REMOVAL )
  24. REMOVE KNOCK CONTROL SENSOR 
    1. Disconnect the 2 knock sensor connectors.
    2. Remove the 2 nuts, and then remove the 2 knock sensors.
      Fig 7: Locating Knock Sensor Nuts And Connectors
      G05625757Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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