Suspension Control System: Precaution

WARNING: This page is about a different car, the 2003 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.

JACK OR LIFT UP AND DOWN
1. When jacking up or lifting up, stop operating the air suspension control system by pressing the height control OFF switch.
  
  Fig 1: Identifying OFF Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DISCONNECT AND CONNECT HEIGHT CONTROL TUBE
NOTE:
- Disconnecting and connecting the height control tube should be performed by hand to prevent foreign objects form entering.
- Never damage the height control tube.
1. Disconnect the height control tube.
  1. Pinch "A" of the connector No. 1 and pull it out from the housing.
    
    Fig 2: Identifying Connector, Housing And Air Tube
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Set SST to the tube.
    SST 09730-00010
    
    Fig 3: Inserting SST Onto Tube
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Insert SST into the housing to expand the claw of plug or tube connector in the housing.
    
    Fig 4: Inserting SST Into Housing
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Pull out the tube with SST inserted.
    NOTE: Never pull the tube forcibly.
  5. Insert a flat-head thin-bladed screwdriver into the circular hole on the housing, and remove connector No. 2, the 2 O-rings and the plate from the housing.
    HINT:
    
    O-ring, plate and connector No. 2 is non-reusable parts.
2. Installs 2 O-rings and the plate.
  NOTE: When replacing the parts on which the tube to be installed with a new one, it is not necessary to perform the procedure for installation.
  1. Apply MP grease to 2 new O-rings, and plate install them to the straight tube or an equivalent.
    NOTE: Install the plate between the O-rings.
    Never adhere foreign object to the O-rings and the height control tube to prevent air leaks.
    
    Fig 5: Installing O-Rings And Plate
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Insert the tube on which 2 O-rings and a plate are installed into the housing, and then push it in lightly with rolled up cardboard.
    
    Fig 6: Installing Tube Into Housing
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Push the connector No. 2 into the housing to the position where a clicking sound is heard.
    
    Fig 7: Pushing Connector Into Housing
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install the height control tube.
  1. Push the tube and connector No. 1 into the housing to the position where a clicking sound is heard.
  NOTE:
  - Slide the phase of the housing port from that of the connector No. 1 claw 90° to install.
  - Pull the tube lightly to make sure that it is securely connected.
  Fig 8: Installing Height Control Tube
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002