LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2004 >> GS 430 >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> SFI System (3UZ-FE) >> VVT Sensor >> Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

VVT Sensor: Replacement

  1. REPLACE VVT SENSOR (BANK 1) 
    1. Remove the 2 cap nuts, 2 bolts and V-bank cover.
    2. Disconnect the engine wire protector from upper intake manifold and bearing cap. (See INSPECTION )
    3. Disconnect the VVT sensor connector.
    4. Disconnect the No. 5 ignition coil connector.
      Fig 1: Disconnecting No. 5 Ignition Coil Connector
      G00853661Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Disconnect the No. 5 injector connector.
    6. Remove the bolt, and pry out the VVT sensor.
    7. Attach a new VVT sensor to the cylinder head.
    8. Reinstall the VVT sensor with the bolt.

      Torque: 6.5 N.m (65 kgf.cm, 58 in.lbf) 

    9. Reconnect the No. 5 injector connector.
    10. Reconnect the No. 5 ignition coil connector.
    11. Reconnect the VVT sensor connector.
    12. Reinstall the engine wire protector.
    13. Reinstall the V-bank cover with the 2 cap nuts and 2 bolts.
  2. REPLACE VVT SENSOR (BANK 2) 
    1. Remove the 2 cap nuts, 2 bolts and V-bank cover.
    2. Remove the intake air connector pipe.
    3. Disconnect the VVT sensor connector.
    4. Disconnect the No. 4 ignition coil connector.
      Fig 2: Disconnecting No. 4 Ignition Coil Connector
      G00853662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Disconnect the No. 4 injector connector.
    6. Remove the bolt, and pry out the VVT sensor.
    7. Attach a new VVT sensor to the cylinder head.
    8. Reinstall the VVT sensor with the bolt.

      Torque: 6.5 N.m (65 kgf.cm, 58 in.lbf) 

    9. Reconnect the No. 4 ignition coil connector.
    10. Reconnect the No. 4 injector connector.
    11. Reconnect the VVT sensor connector.
    12. Reinstall the intake air connector pipe.
    13. Reinstall the V-bank cover with the 2 cap nuts and 2 bolts.