Column Lock & Ignition Switch: Removal

Disconnect battery ground. Remove steering wheel as previously outlined.
NOTE: Steering wheel removal is optional if only the ignition switch portion is being removed. Removal of wheel makes access to this operation easier.

Fig 1: Disengaging Key Cylinder from Position on Mainshaft
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Remove screws mounting upper and lower column covers and disconnect any electrical couplings not detached during steering wheel removal.
NOTE: On some models, access to ignition switch for its removal is gained by removing lower cover only. If is easier to perform this operation, however, by removing both cover halves.

Fig 2: Drilling Out Shear Head Bolt to Remove Steering Lock from Shaft
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Remove turn signal switch assembly (only if column lock assembly is being removed). Remove mainshaft bearing retainer and snap ring (if required). Insert key and turn ignition to "ACC" position. Using a small pointed tool to press down stop pin on side of cylinder, free mechanism and pull cylinder from housing. See Fig 1 .
On Celica and Supra models, drill out shear bolts holding lock mechanism to steering column. On all other models, lock is part of upper column bearing assembly. Remove bolts mounting upper bearing assembly and slide off column.