Steering Column Assembly: Disassembly

NOTE: When using a vise, do not overtighten it.

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 2 tapered-head bolts.
3. Using a 3 to 4 mm (0.12 to 0.16 in.) drill, drill a hole in each tapered-head bolt.
4. Using a screw extractor, remove the 2 tapered-head bolts, and then remove the steering lock actuator assembly and the steering lock bracket from the steering column assembly.
  
  Fig 1: Using Screw Extractor To Remove Tapered-Head Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE KEY CYLINDER LIGHT ASSEMBLY (w/o Engine Immobilizer System)
1. Using a screwdriver, widen the claws hanging onto the upper bracket by approximately 1.0 mm (0.039 in.).
2. Pull out the key cylinder light assembly with the claw open.
  NOTE: Using excessive force may damage the case.
  
  Fig 2: Identifying Key Cylinder Light Assembly (Without Engine Immobilizer System)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE TRANSPONDER KEY AMPLIFIER (w/ Engine Immobilizer System)
1. Using a screwdriver, widen the claws hanging onto the upper bracket by approximately 1.0 mm (0.039 in.).
2. Pull out the transponder key amplifier with the claw open.
  NOTE: Using excessive force may damage the case.
  
  Fig 3: Identifying Transponder Key Amplifier (With Engine Immobilizer System)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 2 tapered-head bolts.
3. Using a 3 to 4 mm (0.12 to 0.16 in.) diameter drill bit, drill a hole in each tapered-head bolt.
4. Using a screw extractor, remove the 2 tapered-head bolts, and then remove the steering column upper with switch bracket assembly and the steering lock bracket from the steering column assembly.
  
  Fig 4: Using Screw Extractor To Remove Tapered-Head Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 below. Pull the ignition switch lock cylinder assembly until its claw contacts the stopper of the steering column upper with switch bracket assembly.
  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.
  
  Fig 5: Inserting Screwdriver Into Hole Of Steering Column Upper With Switch Bracket Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Insert a screwdriver into the hole of the steering column upper with switch bracket assembly. Push the screwdriver downward as shown below to disengage the claw of the ignition switch lock cylinder assembly, and pull out the ignition switch lock cylinder assembly.
  
  Fig 6: Disengaging Claw Of Ignition Switch Lock Cylinder Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 7: Identifying Unlock Warning Switch Assembly Claws (Without Smart Key System)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE KEY INTERLOCK SOLENOID (w/o Smart Key System)
1. Remove the 2 screws and the key interlock solenoid from the steering lock sub-assembly.
  
  Fig 8: Identifying Key Interlock Solenoid Screws (Without Smart Key System)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE IGNITION OR STARTER SWITCH ASSEMBLY (w/o Smart Key System)
1. Disengage the 2 claws and remove the ignition or starter switch assembly from the steering lock sub-assembly.
  
  Fig 9: Identifying Ignition Or Starter Switch Assembly Claws (Without Smart Key System)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002