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Home >> Lexus >> 2012 >> IS 350 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Service Information) >> Knock Sensor >> Removal >> Removal
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Knock Sensor: Removal: Removal

WARNING:

Do not allow fuel to spray when removing the pipe between the high pressure side fuel pump and the fuel injectors. The fuel in the pipe is highly pressurized.

  1. REMOVE COOL AIR INTAKE DUCT SEAL  . Refer to REMOVAL - Step 1
  2. REMOVE ENGINE ROOM SIDE COVER LH  . Refer to REMOVAL - Step 2
  3. REMOVE ENGINE ROOM SIDE COVER RH  . Refer to REMOVAL - Step 3
  4. REMOVE V-BANK COVER SUB-ASSEMBLY  . Refer to REMOVAL - Step 4
  5. REMOVE FRONT FENDER PROTECTOR UPPER LH  . Refer to REMOVAL - Step 4
  6. REMOVE FRONT FENDER PROTECTOR UPPER RH  . Refer to REMOVAL - Step 5
  7. REMOVE ROOF DRIP SIDE FINISH MOULDING LH  . Refer to REMOVAL - Step 1
  8. REMOVE ROOF DRIP SIDE FINISH MOULDING RH  . Refer to REMOVAL - Step 7
  9. REMOVE FRONT WIPER ARM HEAD CAP  . Refer to REMOVAL - Step 8
  10. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH  . Refer to REMOVAL - Step 9
  11. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH  . Refer to REMOVAL - Step 10
  12. DISCHARGE FUEL SYSTEM PRESSURE  . Refer to REMOVAL - Step 13
  13. DRAIN ENGINE COOLANT  . Refer to ON-VEHICLE INSPECTION - Step 4
  14. REMOVE NO. 2 VENTILATION HOSE  See step  5
  15. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE  See step  6
  16. REMOVE THROTTLE BODY  See step  7
  17. REMOVE INTAKE AIR SURGE TANK ASSEMBLY  . Refer to REMOVAL - Step 19
  18. REMOVE INTAKE MANIFOLD  . Refer to REMOVAL - Step 20
  19. REMOVE WATER HOSE JOINT  . Refer to REMOVAL - Step 97
  20. REMOVE FUEL PRESSURE PULSATION DAMPER ASSEMBLY  . Refer to REMOVAL - Step 22
  21. REMOVE NO. 1 FUEL PIPE  . Refer to REMOVAL - Step 23
  22. DISCONNECT NO. 2 FUEL PIPE  . Refer to REMOVAL - Step 24
  23. REMOVE FUEL PUMP ASSEMBLY  . Refer to REMOVAL - Step 25
  24. REMOVE NO. 2 FUEL PIPE  . Refer to REMOVAL - Step 26
  25. REMOVE NO. 3 FUEL PIPE  . Refer to REMOVAL - Step 27
  26. REMOVE NO. 2 FUEL DELIVERY PIPE  . Refer to REMOVAL - Step 28
  27. REMOVE NO. 1 FUEL DELIVERY PIPE  . Refer to REMOVAL - Step 29
  28. REMOVE KNOCK SENSOR 
    1. Disconnect the 2 knock sensor connectors.
      Fig 1: Identifying Knock Sensor & Connector
      GTY104594Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and 2 knock sensors.
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