2010 Toyota Matrix Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Knock Sensor: Removal: Removal

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
  2. DRAIN ENGINE COOLANT  . Refer to REPLACEMENT - Step 1
  3. REMOVE NO. 2 CYLINDER HEAD COVER  . Refer to REMOVAL - Step 10
  4. REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE  See step  3
  5. REMOVE INTAKE MANIFOLD 
    1. Disconnect the throttle body connector and the 2 water by-pass hoses.
      Fig 1: Locating Throttle Body Connector And Water By-Pass Hoses
      GTY190663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Separate the wire harness clamp and remove the bolt and wire harness bracket.
      Fig 2: Locating Wire Harness Clamp
      GTY194795Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Separate the 2 hoses.
      Fig 3: Locating Hoses
      GTY184450Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Separate the ventilation hose.
      Fig 4: Locating Ventilation Hose
      GTY190551Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Separate the 2 wire harness clamps.
      Fig 5: Locating Wire Harness Clamps
      GTY184087Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Separate the 2 wire harness clamps.
      Fig 6: Identifying Wire Harness Clamps
      GTY194495Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Remove the 4 bolts and 2 nuts and remove the intake manifold stay and intake manifold with throttle body.
      Fig 7: Locating Intake Manifold Stay, Bolts And Nuts
      GTY187003Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Remove the gasket from the intake manifold.
      Fig 8: Identifying Intake Manifold Gasket
      GTY179549Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE KNOCK SENSOR 
    1. Disconnect the knock sensor connector.
      Fig 9: Identifying Knock Sensor Connector And Bolt
      GTY161060Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and remove the knock sensor.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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