Suspension Control System: Precaution

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 Height Control 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: Pinching "A" And Pulling Out From Housing
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Set SST to the tube.
    SST 09730-00010
    
    Fig 3: Setting SST To Tube
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Insert SST into the housing to expand the claw of connector No. 2 in the housing.
    
    Fig 4: Inserting SST Into Housing To Expand Claw Of Connector No. 2 In 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, remove a connector No. 2, 2 O-rings and a plate from the housing.
  HINT:
  
  O-ring, plate and connector No.2 are non-reusable parts.
2. Install height control tube O-ring and plate.
  
  Fig 5: Installing Height Control Tube O-Ring And Plate
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  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 objects to the O-rings and height control tube to prevent air leaks.
  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: Inserting Tube On Which 2 O-Rings And Plate Are Installed 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 No. 2 Into Housing To Position
    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.
  Fig 8: Pushing Tube And Connector No. 1 Into Housing To Position
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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.