2009 Toyota Matrix Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Knock Sensor: Installation

  1. INSTALL KNOCK SENSOR 
    1. Install the knock sensor with the bolt as shown in the illustration.

      Torque: 21 N*m (214 kgf*cm, 16 ft.*lbf) 

      Fig 1: Identifying Knock Sensor Angle
      G06040842Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the knock sensor connector.
      Fig 2: Locating Knock Sensor Connector
      G05398792Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL INTAKE MANIFOLD 
    1. Install a new gasket to the intake manifold.
      Fig 3: Identifying Gasket
      G06008178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the intake manifold and intake manifold stay with the 4 bolts and 2 nuts.

      Torque: 28 N*m (286 kgf*cm, 21 ft.*lbf) 

      Fig 4: Locating Bolts And Nuts And Intake Manifold Stay
      G06008172Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the 2 wire harness clamps.
      Fig 5: Identifying Wire Harness Clamps
      G06008180Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the 2 wire harness clamps.
      Fig 6: Locating Wire Harness Clamps
      G06008170Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the ventilation hose.
      Fig 7: Locating Ventilation Hose
      G06008169Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Connect the 2 hoses.
      Fig 8: Locating Hoses
      G06008168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Connect the wire harness clamp and install the wire harness bracket with the bolt.

      Torque: 10 N*m (102 kgf*cm, 89 in.*lbf) 

      Fig 9: Locating Wire Harness Clamp
      G06008167Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Connect the 2 water by-pass hoses and the throttle body connector.
  3. INSTALL AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE  (See INSPECTION )
  4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  5. ADD ENGINE COOLANT  (See COOLANT )
  6. INSPECT FOR COOLANT LEAK  (See COOLING SYSTEM )
    Fig 10: Locating Throttle Body Connector And Water By-Pass Hoses
    G06008107Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL NO. 2 CYLINDER HEAD COVER  (See INSTALLATION )
Chapter Navigation
Return to Chapter: Knock Sensor
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.