Steering Column Assembly: Inspection

1. Secure the steering column assembly in a vise.

   Text in Illustration 

   ILLUSTRATION REFERENCE
   
   

   *1	Service Nut
   *2	Steering Wheel Assembly Set Nut

   Fig 1: Measuring Steering Column Assembly Preload

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE: When using a vise, do not over tighten it.
2. Install a service nut to the steering main shaft.

   Recommended service nut: 

   Thread diameter: 

   12.0 mm (0.472 in.) 

   Thread pitch: 

   1.25 mm (0.0492 in.) 

3. Install the steering wheel assembly set nut to the steering main shaft.
4. Lock the steering wheel assembly set nut using the service nut.
5. Using a torque wrench, turn the main shaft and measure the preload.

   Torque: Preload 

   0.98 to 1.58 N*m (10 to 16 kgf*cm, 9 to 13 in.*lbf) 

   If the preload is not as specified, replace the steering column assembly.

1. Check that the steering lock mechanism is activated when the key is removed.
   Fig 2: Checking Steering Lock Operation (Activation)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check that the steering lock mechanism is deactivated when the key is inserted and turned to the ACC position.

HINT:

If there is any abnormality, replace the ignition switch lock cylinder assembly or steering column upper bracket assembly.

Fig 3: Checking Steering Lock Operation (Deactivation)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002