Exhaust Gas Temperature Sensor: Removal

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE FRONT SEAT ASSEMBLY
1. Remove the front seat LH and RH (see REMOVAL ).
REMOVE REAR SEAT CUSHION ASSEMBLY
1. for Power Seat Type:
  Remove the rear seat cushion (see REMOVAL ).
2. for Ottoman Type.
  Remove the rear seat cushion (see REMOVAL ).
3. for Fixed Seat Type:
  Remove the rear seat cushion (see REMOVAL ).
REMOVE FRONT DOOR SCUFF PLATE LH (See REMOVAL )
REMOVE FRONT DOOR SCUFF PLATE RH (See REMOVAL )
REMOVE REAR DOOR SCUFF PLATE LH (See REMOVAL )
REMOVE REAR DOOR SCUFF PLATE RH (See REMOVAL )
REMOVE CENTER LOWER PILLAR GARNISH LH (See REMOVAL )
REMOVE CENTER LOWER PILLAR GARNISH RH (See REMOVAL )
REMOVE FRONT FLOOR CARPET ASSEMBLY
REMOVE FRONT FLOOR SILENCER PAD LH

Fig 1: Identifying Silencer Pads

REMOVE FRONT FLOOR SILENCER PAD RH
REMOVE EXHAUST GAS TEMPERATURE SENSOR
1. Interior Side
  1. Disconnect the sensor LH and RH connector
    
    Fig 2: Locating Interior Side Connectors
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Exterior Side.
  1. Disconnect the 2 grommets.
  2. Disconnect the wire harness from the clamp on the LH and RH side.
    
    Fig 3: Locating Exterior Side Wire Harness Clamp And Grommets
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Using a union nut wrench, remove the 4 sensors
    
    Fig 4: Locating Exhaust Gas Temperature Sensors
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:
    When removing the sensor, place a union nut wrench within the 16 mm (0.630 in.) area A shown in the illustration to avoid deformation of the hexagonal part.
    
    When removing/installing the grommet and sensor, be careful not to twist the wire and do not apply tension to the accessories.
    
    If oil, etc. enters the sensor's connector, do not use it.
    
    Fig 5: Identifying Union Nut Dimension
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002