LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2012 >> Sienna XLE, AWD >> Repair and Diagnosis >> Steering >> Steering Column >> Steering Column (Service Information) >> Steering Column Assembly >> Disassembly >> Disassembly
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Steering Column Assembly: Disassembly: Disassembly

NOTE:

When using a vise, do not overtighten it.

  1. REMOVE STEERING LOCK ACTUATOR ASSEMBLY (w/ Smart Key System) 
    1. Secure the steering column assembly in a vise.
    2. Using a center punch, mark the center of the tapered-head bolt.
    3. Using a 3 to 4 mm (0.118 to 0.157 in.) diameter drill bit, drill a hole in the tapered-head bolt.
    4. Using a screw extractor, remove the tapered-head bolt, and then remove the steering lock actuator assembly from the steering column assembly.
      Fig 1: Removing Steering Lock Actuator Assembly Screw Using A Screw Extractor (w/ Smart Key System)
      GTY303732Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Screw Extractor
  2. REMOVE STEERING COLUMN UPPER WITH SWITCH BRACKET ASSEMBLY (w/o Smart Key System) 
    1. Secure the steering column assembly in a vise.
    2. Using a center punch, mark the center of the tapered-head bolt.
    3. Using a 3 to 4 mm (0.118 to 0.157 in.) diameter drill bit, drill a hole in the tapered-head bolt.
    4. Using a screw extractor, remove the tapered-head bolt, and then remove the steering column upper with switch bracket assembly from the steering column assembly.
      Fig 2: Removing Steering Lock Actuator Assembly Screw Using A Screw Extractor (w/o Smart Key System)
      GTY298809Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Screw Extractor
  3. REMOVE IGNITION OR STARTER SWITCH ASSEMBLY (w/o Smart Key System) 
    1. Remove the solenoid wire connector from the ignition or starter switch assembly.
      Fig 3: Identifying Solenoid Wire Connector
      GTY173191Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 screws and the ignition or starter switch assembly from the steering column upper bracket.
      Fig 4: Identifying Ignition Or Starter Switch Assembly Mounting Screws
      GTY173343Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE KEY INTERLOCK SOLENOID (w/o Smart Key System) 
    1. Remove the 2 screws and the key interlock solenoid from the steering column upper bracket.
      Fig 5: Identifying Key Interlock Solenoid Screws
      GTY174219Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the solenoid wire connector from the key interlock solenoid.
      Fig 6: Locating Key Interlock Solenoid Wire Connector
      GTY158364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE SOLENOID WIRE (w/o Smart Key System) 
    1. Remove the solenoid wire from the steering column upper bracket.
      Fig 7: Identifying Solenoid Wire
      GTY188081Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE IGNITION SWITCH LOCK CYLINDER ASSEMBLY (w/o Smart Key System) 
    1. Turn the ignition switch lock cylinder assembly to the ACC position.
    2. Insert a screwdriver into the hole of the steering column upper with switch bracket assembly as shown in the illustration. Pull the ignition switch lock cylinder assembly until its claw contacts the stopper of the steering column upper with switch bracket assembly.
      Fig 8: Remove Ignition Switch Lock Cylinder Assembly With Screwdriver (w/o Smart Key System)
      GTY300418Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Stopper
      *2 Claw
      *a Push
      *b Pull
      *c ACC
      *d LOCK
      NOTE:

      Make sure to pull the ignition switch lock cylinder assembly until its claw contacts the stopper of the steering column upper with switch bracket assembly. Failure to do so will affect later work operations.

    3. Insert a screwdriver into the hole of the steering column upper with switch bracket assembly. Tilt the screwdriver as shown in the illustration to disengage the claw of the ignition switch lock cylinder assembly, and pull out the ignition switch lock cylinder assembly.
      Fig 9: Identifying Direction of Removing Ignition Switch Lock Cylinder Assembly (w/o Smart Key System)
      GTY302500Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Tilt
      *b Claw is Disengaged
      *c Pull Out
      *d Screwdriver Insertion Hole
  7. REMOVE UNLOCK WARNING SWITCH ASSEMBLY (w/o Smart Key System) 
    1. Remove the unlock warning switch assembly by pushing up the center part and releasing the 2 claws.
      Fig 10: Identifying Unlock Warning Switch Assembly Claws
      GTY252461Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Center Part