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Steering Column: Overhaul

  1. PRECAUTION (See  AIR BAG SAFETY PRECAUTIONS  ) 
  2. SEPARATE BATTERY NEGATIVE TERMINAL (See  AIR BAG SAFETY PRECAUTIONS  ) 
  3. INSPECT PLACE FRONT WHEELS FACING STRAIGHT AHEAD 
  4. REMOVE STEERING WHEEL COVER LOWER NO. 2 
  5. REMOVE STEERING WHEEL COVER LOWER NO. 3 
  6. REMOVE HORN BUTTON ASSY 
    NOTE: If the airbag connector is disconnected with the ignition switch at ON, DTCs is recorded.
    1. Using a Torx socket wrench, loosen the 2 Torx screws until the groove along the screw circumference catches on the screw case.
      Fig 1: Removing Horn Button Assembly
      G03062967Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Pull out the horn button assy from the steering wheel and disconnect the airbag connector.
    3. Disconnect the horn wire harness.
      4. Fig 2: Disconnecting Horn Wire Harness
      G03062968Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE: When removing the horn button assy, take care not to pull the airbag wire harness and horn wire harness.
    CAUTION:
    • When storing the horn button assy, keep the upper surface of the horn button assy facing upward.
    • Never disassemble the horn button assy.
    Fig 3: Identifying Correct Method Of Keeping Horn Button Assy
    G03062969Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE STEERING WHEEL ASSY 
    1. Remove the steering wheel assy set nut.
    2. Place matchmarks on the steering wheel assy and main shaft assy.
    3. Using SST, remove the steering wheel assy.

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

    Fig 4: Removing Steering Wheel Assembly
    G03062970Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE STEERING COLUMN COVER 
    1. Remove the 2 screws and steering column cover.
    Fig 5: Removing Steering Column Cover
    G03062971Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE SPIRAL CABLE SUB-ASSY (See  SPIRAL CABLE  ) 
  10. REMOVE HEADLAMP DIMMER SWITCH ASSY (See )  SPIRAL CABLE 
  11. REMOVE WINDSHIELD WIPER SWITCH ASSY 
  12. REMOVE FRONT DOOR SCUFF PLATE LH (See  INSTRUMENT PANEL/METER  ) 
  13. REMOVE COWL SIDE TRIM BOARD LH (See  INSTRUMENT PANEL/METER  ) 
  14. REMOVE INSTRUMENT PANEL FINISH PANEL SUB-ASSY LOWER LH (See  INSTRUMENT PANEL/METER  ) 
  15. REMOVE INSTRUMENT PANEL SAFETY PAD INSERT SUB-ASSY NO. 1 (See  INSTRUMENT PANEL/METER  ) 
  16. REMOVE HEATER TO FOOT DUCT NO. 3 
    1. Disengage the 3 claw fitting and remove the air duct No. 3.
  17. SEPARATE STEERING INTERMEDIATE SHAFT ASSY 
    1. Loosen the bolt.
      Fig 6: Loosening Bolt
      G03062972Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Release the spring (3 places) and separate the dust cover.
      Fig 7: Releasing Spring & Separating Dust Cover
      G03062973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Align matchmarks on the steering intermediate shaft assy and steering gear assy.
    4. Remove the bolt and separate the steering intermediate shaft assy.
    Fig 8: Aligning Matchmarks On Steering Intermediate Shaft Assembly & Steering Gear Assembly
    G03062974Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE STEERING COLUMN ASSY 
    1. Separate the connectors and wire harness clamps.
    2. Remove the 3 bolts and steering column assy from the instrument panel reinforcement assy.
    Fig 9: Removing Steering Column Assembly
    G03062975Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE STEERING INTERMEDIATE SHAFT ASSY 
    1. Align matchmarks on the steering intermediate shaft assy and main shaft.
      2. Fig 10: Aligning Matchmarks On Steering Intermediate Shaft Assembly & Main Shaft
      G03062976Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and steering intermediate shaft assy.
  20. REMOVE KEY CYLINDER LAMP ASSY (W/O ENGINE IMMOBILIZER SYSTEM) 
  21. REMOVE TRANSPONDER KEY AMPLIFIER (W/ ENGINE IMMOBILIZER SYSTEM) 
    1. Widen the claw hung on the upper bracket by approx. 1.0 mm (0.039 in.) using a screwdriver.
    2. Pull the transponder key amplifier toward the rear of the vehicle with the claw open.
    NOTE: Take care not to use excessive force to prevent the case from being damaged.
    Fig 11: Removing Transponder Key Amplifier (W/ Engine Immobilizer System)
    G03062977Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE STEERING COLUMN UPPER W/SWITCH BRACKET ASSY 
    1. Using a centering punch, mark the center of the 2 tapered-head bolts.
    2. Using a 3 - 4mm (0.12-0.16 in.) drill, drill into the 2 bolts.
    3. Using a screw extractor, remove the 2 bolts and steering column upper w/switch bracket assy.
    Fig 12: Removing Steering Column Upper W/Switch Bracket Assembly
    G03062978Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE IGNITION SWITCH LOCK CYLINDER ASSY 
    1. Place the ignition switch lock cylinder assy at the ACC position.
    2. Push down the stop pin with a screwdriver, and pull out the cylinder assy.
    Fig 13: Removing Ignition Switch Lock Cylinder Assembly
    G03062979Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE UNLOCK WARNING SWITCH ASSY 
    1. Separate the un-lock warning switch assy connector from the ignition or starter switch assy.
    2. Remove the un-lock warning switch assy by pushing up the center part and releasing the 2 claws.
      Fig 14: Removing Unlock Warning Switch Assembly
      G03062980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disengage the secondary locking device.
    4. Using a small screwdriver, disengage the locking lug of the terminals 1 and 2, and pull the terminals out from the unlock waring switch assy rear side.
    Fig 15: Pulling Terminals Out From Unlock Waring Switch Assembly Rear Side
    G03062981Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE KEY INTER LOCK SOLENOID 
    1. Remove the 2 screws and solenoid from the steering column bracket assy.
  26. REMOVE IGNITION OR STARTER SWITCH ASSY 
    1. Remove the 2 screws and ignition or starter switch assy from the steering column bracket assy UPR.
  27. INSTALL IGNITION OR STARTER SWITCH ASSY 
    1. Install the ignition or starter switch assy to the steering column bracket assy UPR with the 2 screws.
  28. INSTALL KEY INTER LOCK SOLENOID 
    1. Install the solenoid to the steering column bracket assy with the 2 screws.
  29. INSTALL UN LOCK WARNING SWITCH ASSY 
    1. Install the un-lock warning switch assy.
    2. Connect the terminals 1 and 2 of the unlock warning switch assy connector.
    3. Connect the unlock warning switch assy connector to the ignition or starter switch assy.
    Fig 16: Connecting Terminals Of Unlock Warning Switch Assembly Connector
    G03062982Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. INSTALL IGNITION SWITCH LOCK CYLINDER ASSY 
    1. Make sure of the ignition switch lock cylinder assy at the ACC position.
    2. Install the ignition switch lock cylinder assy.
  31. INSPECT STEERING LOCK OPERATION 
    1. Check that the steering lock mechanism is activated when removing the key.
    2. Check that the steering lock mechanism is deactivated when inserting the key and turning it to ACC position.
  32. INSTALL STEERING COLUMN UPPER W/SWITCH BRACKET ASSY 
    1. Temporarily install the steering column upper w/switch bracket assy and steering column upper clamp with 2 new tapered-head bolts.
      Fig 17: Installing Steering Column Upper W/Switch Bracket Assembly
      G03062983Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Tighten the 2 tapered-head bolts until the bolt heads break off.
  33. INSTALL KEY CYLINDER LAMP ASSY (W/O ENGINE IMMOBILIZER SYSTEM) 
  34. INSTALL TRANSPONDER KEY AMPLIFIER (W/ ENGINE IMMOBILIZER SYSTEM) 
    1. Align the transponder key amplifier with the installation position of the upper bracket with the amplifier inclined.
    2. Push the transponder key amplifier up and connect it to the upper bracket.
    NOTE: Take care not to push the amplifier up with excessive force to prevent it from being damaged.
    Fig 18: Installing Transponder Key Amplifier (W/ Engine Immobilizer System)
    G03062984Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. INSTALL STEERING INTERMEDIATE SHAFT ASSY 
    1. Align matchmarks on the steering intermediate shaft assy and main shaft.
    2. Temporarily install the steering intermediate shaft assy with the bolt.

      Torque: 36 N.m (370 kgf.cm, 27 ft.lbf) 

    Fig 19: Installing Steering Intermediate Shaft Assembly
    G03062985Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. INSTALL STEERING COLUMN ASSY 
    1. Install the steering column assy with the 3 bolts.

      Torque: 21 N.m (210 kgf.cm, 15 ft. lbf) 

    2. Connect the connectors.
    3. Connect the wire harness clamps to the steering column tube.
    Fig 20: Installing Steering Column Assembly
    G03062986Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  37. CONNECT STEERING INTERMEDIATE SHAFT ASSY 
    1. Align matchmarks on the intermediate shaft assy and steering gear assy.
    2. Install the steering intermediate shaft assy with the bolt.

      Torque: 36 N.m (370 kgf.cm, 27 ft. lbf) 

      Fig 21: Aligning Matchmarks On Intermediate Shaft Assembly & Steering Gear Assembly
      G03062987Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the dust cover that should be checking the location (3 places) of the dust cover spring.
    Fig 22: Installing Dust Cover
    G03062988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  38. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 
  39. INSTALL SPIRAL CABLE SUB-ASSY (See  SPIRAL CABLE  ) 
  40. CENTER SPIRAL CABLE 
    1. Check that the ignition switch is OFF.
    2. Check that the battery negative terminal is separated.
      NOTE: Do not start the operation for 90 seconds after removing the terminal.
    3. Turn the cable counterclockwise by hand until it becomes harder to turn.
      Fig 23: Installing Center Spiral Cable (1 Of 2)
      G03062989Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Then rotate the cable clockwise about 2.5 turns to align the marks.
    NOTE: The cable will rotate about 2.5 turns to either right or left of the center.
    Fig 24: Installing Center Spiral Cable (2 Of 2)
    G03062990Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  41. INSTALL STEERING COLUMN COVER 
  42. INSTALL STEERING WHEEL ASSY 
    1. Align matchmarks on the steering wheel assy and steering main shaft assy.
    2. Install the steering wheel assy set nut.

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

    3. Connect the connector.
  43. INSPECT STEERING WHEEL CENTER POINT 
  44. INSPECT HORN BUTTON ASSY (See  INSPECTION  ) 
  45. INSTALL HORN BUTTON ASSY 
    NOTE:
    • Never use airbag parts removed from another vehicle. When replacing parts, replace with new ones.
    • Make sure the wheel pad is installed with the specified torque.
    • If the wheel pad has been dropped, or there are cracks, dents or other defects in the case or connector, replace the wheel pad with a new one.
    • When installing the wheel pad, take care so that the wirings do not interfere with other parts and that they are not pinched between other parts.
    1. Connect the horn wire harness.
    2. Connect the airbag connector.
    3. Install the steering wheel pad after confirming that the circumference groove of the Torx screws is caught on the screw case.
    4. Using a Torx socket wrench, torque the 2 screws.

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

    Fig 25: Installing Horn Button Assembly
    G03062991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  46. INSTALL STEERING WHEEL COVER LOWER NO. 3 
  47. INSTALL STEERING WHEEL COVER LOWER NO. 2 
  48. INSPECT SRS WARNING LIGHT (See  AIR BAG SAFETY PRECAUTIONS  ) 
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