Horn Button ASSY: Replacement

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

PRECAUTION (SEE SUPPLEMENTAL RESTRAINT SYSTEM )
DISCONNECT BATTERY NEGATIVE TERMINAL (SEE SUPPLEMENTAL RESTRAINT SYSTEM )
REMOVE STEERING WHEEL COVER LOWER NO.2
1. Using a screw driver, remove the steering wheel cover lower No.2.
REMOVE STEERING WHEEL COVER LOWER NO.3
1. Using a screw driver, remove the steering wheel cover lower No.3.
REMOVE HORN BUTTON ASSY
1. Place the front wheels facing straight ahead.
2. Using a Torx® socket wrench (T30), loosen the 2 Torx® screws until the groove along the screw circumference catches on the screw case.
  
  Fig 1: Removing Steering Wheel Cover Lower
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Pull out the horn button assy from the steering wheel assy and support the horn button assy one-handed as shown in the illustration.
  NOTE: When removing the horn button assy, take care not to pull the airbag wire harness.
4. Using a screwdriver, disconnect the airbag connectors.
5. Remove the horn button assy.
  
  Fig 2: Removing Horn Button Assy
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL HORN BUTTON ASSY
1. Support the horn button assy one-handed as shown in the illustration.
2. Connect the airbag connectors.
3. Connect the horn connector.
4. Install the horn button after confirming that the circumference groove of the Torx® screws is caught on the screw case.
5. Using a Torx® socket wrench (T 30), install the 2 screws.
  Torque: 8.8 N.m (90 kgf.cm, 78 in.lbf)
  
  Fig 3: Installing Horn Button Assy
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT HORN BUTTON ASSY (SEE ON-VEHICLE INSPECTION )
INSPECT SRS WARNING LIGHT (SEE DIAGNOSIS SYSTEM )