Air Fuel Ratio Sensor (For Sensor 1) Installation

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Gr-Fse Emission Control. Lexus Gs430, Gs300. Uzs190 Grs190

  1. INSTALL AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)

  2. INSTALL BATTERY TRAY

  3. INSTALL POWER STEERING ECT ASSEMBLY

  4. INSTALL BATTERY

  5. INSTALL AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)

  6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

  7. PERFORM INITIALIZATION

Air Fuel Ratio Sensor (For Sensor 1) -- Installation



1. INSTALL AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Using SST, install the sensor to the exhaust manifold RH.

    SST
    09224-00010
    Torque:
    40 N*m{408 kgf*cm, 30 ft.*lbf}for use with SST
    44 N*m{449 kgf*cm, 32 ft.*lbf}for use without SST
    HINT:
    Use a torque wrench with a fulcrum length of 300 mm (11.81 in.).
  1. Connect the sensor connector.



2. INSTALL BATTERY TRAY


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the battery tray with the 2 bolts.

    Torque:
    5.0 N*m{51 kgf*cm, 44 in.*lbf}


3. INSTALL POWER STEERING ECT ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Connect the 2 power steering ECU assembly connectors and securely lock the connectors.



    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Emission Control.Emission Control System.Air Fuel Ratio Sensor (For Sensor 1)  Installation
  1. Install the power steering ECU assembly to the battery tray with the 2 bolts.

    Torque:
    5.0 N*m{51 kgf*cm, 44 in.*lbf}
  1. Install the ground cable terminal with bolt (A).

    Torque:
    5.0 N*m{51 kgf*cm, 44 in.*lbf}
  1. Install the battery tray support No.1.



4. INSTALL BATTERY
  1. Install the battery.

  1. Install the battery insulator.

  1. European models only :

    1. Connect the battery thermometer connector.

  1. Install the battery clamp with the 2 nuts.

    Torque:
    2.9 N*m{30 kgf*cm, 26 in.*lbf}
  1. Connect the positive (+) battery cable to the battery.

    Torque:
    5.6 N*m{57 kgf*cm, 50 in.*lbf}
  1. Connect the negative (-) battery cable to the battery.

    Torque:
    5.6 N*m{57 kgf*cm, 50 in.*lbf}


5. INSTALL AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Using SST, install the sensor to the exhaust manifold RH.

    SST
    09224-00010
    Torque:
    40 N*m{408 kgf*cm, 30 ft.*lbf}for use with SST
    44 N*m{449 kgf*cm, 32 ft.*lbf}for use without SST
    HINT:
    Use a torque wrench with a fulcrum length of 300 mm (11.81 in.).
  1. Connect the sensor connector.



6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL


7. PERFORM INITIALIZATION
  1. Perform initialization (Click here).

    NOTICE:
    Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.