Spiral Cable Sub-ASSY: Replacement

HINT:

COMPONENTS: See HORN BUTTON ASSY 

1. PRECAUTION (See  SUPPLEMENTAL RESTRAINT SYSTEM  ) 
2. DISCONNECT BATTERY NEGATIVE TERMINAL (See  SUPPLEMENTAL RESTRAINT SYSTEM  ) 
3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 
   1. Check that the front wheels are facing straight ahead.
4. REMOVE HORN BUTTON ASSY (See  REPLACEMENT  ) 
5. REMOVE STEERING WHEEL ASSY (See  OVERHAUL  ) 

   SST 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05021)

6. REMOVE STEERING COLUMN COVER 
7. REMOVE SPIRAL CABLE SUB-ASSY 
   1. Disconnect the airbag connector and the connector from the spiral cable sub-assy.
   2. Release the 3 claws and remove the spiral cable sub-assy.
   Fig 1: Disconnecting Airbag Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. INSPECT SPIRAL CABLE SUB-ASSY (See  ON-VEHICLE INSPECTION  ) 
   1. If the following condition is identified, replace the spiral cable sub-assy with a new one.

   Condition: 

   Scratches or cracks on the connector 

   Cracks, dents or chipping of the spiral cable sub-assy 

9. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 
   1. Check that the front wheels are facing straight ahead.
10. INSTALL SPIRAL CABLE SUB-ASSY 
    1. Set the turn signal switch in neutral position.
       NOTE: Make sure of the neutral position since the pin of the turn signal switch may be snapped.
    2. Engage the 3 claws and install the spiral cable sub-assy.
       NOTE: When replacing the spiral cable sub-assy with a new one, remove the lock pin before installing the handle.
    3. Connect the airbag connector and the connector connecting to the spiral cable sub-assy.
    4. Install the steering column cover with the 3 screws.
11. CENTER SPIRAL CABLE 
    1. Check that the ignition switch is turned to OFF.
    2. Check that the battery negative terminal is disconnected.
       NOTE: Do not start the operation for 90 seconds after removing the terminal.
       Fig 2: Turning Cable Counterclockwise

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Turn the cable counterclockwise by hand until it becomes harder to turn.

       HINT:

       The cable will rotate about 2.5 turns to either left or right of the center.

    4. Then rotate the cable clockwise about 2.5 turns to align the marks.
    Fig 3: Identifying Horn Matchmarks

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
12. INSTALL STEERING WHEEL ASSY (See  OVERHAUL  ) 

    Torque: 50 N.m (510 kgf.cm, 37 ft.lbf) 

13. INSTALL HORN BUTTON ASSY (See  REPLACEMENT  ) 

    Torque: 8.8 N.m (90 kgf.cm, 78 in..lbf) 

14. INSPECT HORN BUTTON ASSY (See  REPLACEMENT  ) 
15. INSPECT SRS WARNING LIGHT (See  DIAGNOSIS SYSTEM  )