Steering Column ASSY: Overhaul

HINT:

COMPONENTS: See STEERING COLUMN

SEPARATE BATTERY NEGATIVE TERMINAL
PLACE FRONT WHEELS FACING STRAIGHT AHEAD
REMOVE SWITCH & VOLUME CASE (See STEERING PAD SWITCH MODULATOR REPLACEMENT
REMOVE STEERING PAD SWITCH MODULATOR (See STEERING PAD SWITCH MODULATOR REPLACEMENT
REMOVE STEERING WHEEL COVER LOWER NO.2
REMOVE HORN BUTTON ASSY

Fig 1: Loosening Torx Screws
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE: If the airbag connector is disconnected with the ignition switch at ON or ACC, DTCs will be recorded.
1. Using a torx socket wrench, loosen the 2 torx screws.
  HINT:
  
  Loosen the 2 screws until groove along the screw circumference catches on the screw case.
2. Pull the horn button assy from the steering wheel and disconnect the airbag connector.
CAUTION:
- When storing the horn button assy, keep the upper surface of the horn button assy facing upward.
- Never disassemble the horn button assy.
NOTE: When removing the horn button assy, take care not to pull the airbag wire harness.

Fig 2: Pulling Horn Button Assembly And Disconnecting Airbag Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE STEERING WHEEL ASSY

Fig 3: Removing Steering Wheel Set Nut
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the connector.
2. Remove the steering wheel set nut.
3. Place match-marks on the steering wheel and main shaft assembly.
4. Using SST, remove the steering wheel.
SST 09950-50012 (09951-05010, 09952-05010, 09953-05020, 09954-05020)
REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSY (See REPLACEMENT
REMOVE STEERING COLUMN COVER LW
1. Remove the 3 screws and steering column cover lower.
REMOVE STEERING COLUMN COVER UP
REMOVE SPIRAL CABLE SUB-ASSY (See SPIRAL CABLE
NOTE: Do not disassemble the spiral cable or apply oil to it.
REMOVE TURN SIGNAL SWITCH ASSY
1. Disconnect the 4 connectors.
2. Disconnect the airbag connector.
3. Remove the 3 screws and turn signal switch assy.
REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSY (See REPLACEMENT
REMOVE HEATER TO REGISTER DUCT NO.4
REMOVE STEERING COLUMN ASS

Fig 4: Placing Matchmarks On Steering Sliding Yoke Sub-Assy And Control Valve Shaft
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Place matchmarks on the steering sliding yoke sub-assy and control valve shaft.
2. Loosen the bolt "A" and remove the bolt "B" and disconnect the steering sliding yoke sub-assy.
3. Disconnect the connectors.
4. Remove the brake pedal return spring.
5. Loosen the hole cover clamp.
  
  Fig 5: Removing Column Assembly Set Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Remove the 2 column assembly set bolts, 2 column assembly set nuts and steering column assembly.
REMOVE STEERING SLIDING YOKE SUB-ASSY
1. Remove the bolt "A" and steering sliding yoke sub-assy.
REMOVE TRANSPONDER KEY COIL (See DTC B2796: NO COMMUNICATION IN IMMOBILIZER SYSTEM
1. Remove the screw and transponder key coil.
REMOVE KEY CYLINDER LAMP ASSY
REMOVE STEERING INTERMEDIATE SHAFT ASSY NO.2

Fig 6: Placing Matchmarks On No. 2 Intermediate Shaft Assembly And Main Shaft
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Place matchmarks on the No. 2 intermediate shaft assembly and main shaft.
2. Remove the bolt and No. 2 intermediate shaft assembly.
REMOVE STEERING COLUMN BRACKET ASSY UPPER

Fig 7: Removing Bolts And Column Upper Bracket
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Using a centering punch, mark the center of the 2 tapered-head bolts.
2. Using a 4-5 mm (0.16-0.20 in.) drill, drill into the 2 bolts.
3. Using a screw extractor, remove the 2 bolts and column upper bracket.
INSPECT STEERING LOCK OPERATION

Fig 8: Inspecting Steering Lock Operation
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Check that the steering lock mechanism operates properly.
2. If necessary, replace key cylinder.
  
  Fig 9: Replacing Key Cylinder
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Place the ignition key at the ACC position.
2. Push down the stop pin with a screwdriver, and pull out the key cylinder.
3. Install a new key cylinder.
HINT:

Make sure the ignition key is at the ACC position.
INSPECT IGNITION OR STARTER SWITCH ASSY (See IGNITION SWITCH INSPECTION
If necessary, replace ignition switch.
1. Remove the 2 screws and ignition protector.
2. Remove the 2 screws and ignition switch.
3. Install a new ignition switch with the 2 screws.
4. Install the ignition protector with the 2 screws.
INSPECT UN-LOCK WARNING SWITCH ASSY (See IGNITION SWITCH INSPECTION
INSPECT KEY INTER LOCK SOLENOID (See KEY INTERLOCK SOLENOID
1. If necessary, replace key un-lock warning switch assy with key inter lock solenoid.
1. Remove the 2 screws and key un-lock warning switch assy with key inter lock solenoid.
2. Install a new key un-lock warning switch assy with key inter lock solenoid with the 2 screws.
INSPECT TRANSPONDER KEY COIL
1. If necessary, replace transponder key coil.
2. If necessary, replace transponder key amplifier.
1. Remove the screw and transponder key amplifier.
2. Install a new transponder key amplifier with the screw.
REMOVE TILT STEERING SLIDER SUB-ASSY

Fig 10: Removing Tilt Steering Slider Sub-Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Using a hexagon wrench, remove the 4 bolts, 2 washers and tilt steering slider sub-assy.
2. Remove the 4 bushings, 2 plates from tilt steering slider sub-assy.
REMOVE MULTIPLEX TILT & TELESCOPIC ECU
1. Remove the 2 screws and multiplex tilt & telescopic ECU.
INSTALL MULTIPLEX TILT & TELESCOPIC ECU
1. Install the multiplex tilt & telescopic ECU with the 2 screws.
INSTALL TILT STEERING SLIDER SUB-ASSY

Fig 11: Installing Tilt Steering Slider Sub-Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Install 2 new plates and 4 new bushings to the tilt steering slider sub-assy in the direction shown in the illustration.
  HINT:
  
  Install the bushings with their cuts facing downward.
2. Using a hexagon wrench, install the tilt steering slider sub-assy with the 2 washers and 4 bolts.
Torque: 23 N.m (230 kgf.cm, 17 ft.lbf)

HINT:
- When replacing a tilt steering slider sub-assy with new one, apply grease on the removed tilt steering slider sub-assy to the shaft of the new tilt steering slider sub-assy.
- Install the tilt steering slider sub-assy with the bolt portion of the tilt slider faced downward.
- Do not let the grease be stuck on the thread part of the bolt in order to prevent the bolt from slipping.
INSTALL STEERING COLUMN BRACKET ASSY UPPER

Fig 12: Installing Steering Column Bracket Assembly Upper
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Install the column upper bracket with 2 new tapered-head bolts.
2. Tighten the 2 tapered-head bolts until the bolt heads break off.
INSTALL STEERING INTERMEDIATE SHAFT ASSY NO.2

Fig 13: Installing Steering Intermediate Shaft Assembly No.2
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Align the matchmarks on the No. 2 shaft and main shaft.
2. Install the bolt.
Torque: 35 N.m (360 kgf.cm, 26 ft.lbf)
INSTALL KEY CYLINDER LAMP ASSY
INSTALL TRANSPONDER KEY COIL
1. Install the transponder key coil with the screw.
INSTALL STEERING SLIDING YOKE SUB-ASSY
1. Temporarily install the steering sliding yoke sub-assy with the bolt "A".
INSTALL STEERING COLUMN ASSY
1. Install the steering column assembly with the 2 column assembly set bolts and 2 column assembly set nuts.
  Torque: 25 N.m (260 kgf.cm, 19 ft.lbf)
2. Tighten the hole cover clamp.
  
  Fig 14: Tightening Hole Cover Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install the brake pedal return spring.
4. Connect the connectors.
CONNECT STEERING SLIDING YOKE SUB-ASSY

Fig 15: Aligning Matchmarks On Steering Sliding Yoke Sub-Assy Control Valve Shaft
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Align the matchmarks on the steering sliding yoke sub-assy control valve shaft.
2. Install the bolt "B" and torque the bolt "A".
Torque: 35 N.m (360 kgf.cm, 26 ft.lbf)
INSTALL HEATER TO REGISTER DUCT NO.4
INSTALL INSTRUMENT PANEL SAFETY PAD SUB-ASSY NO.1 (See REPLACEMENT
INSTALL SPIRAL CABLE SUB-ASSY (See SPIRAL CABLE
INSTALL TURN SIGNAL SWITCH ASSY
1. Install the turn signal switch assy with spiral cable sub-assy with the 3 screws.
2. Connect the airbag connector.
3. Connect the 4 connectors.
INSTALL STEERING COLUMN COVER UP
INSTALL STEERING COLUMN COVER LW
1. Install the steering column cover lower with the 3 screws.
INSTALL INSTRUMENT CLUSTER FINISH PANEL SUB-ASSY (See REPLACEMENT
CENTER SPIRAL CABLE (See SPIRAL CABLE
INSTALL STEERING WHEEL ASSY
1. Align the match-marks on the steering wheel and main shaft.
2. Install the wheel set nut.
  Torque: 50 N.m (510 kgf.cm, 37 ft.lbf)
3. Connect the connector.
INSTALL HORN BUTTON ASSY
NOTE:
- Never use airbag parts from another vehicle. When replacing parts, replace with new ones.
- Make sure the horn button assy is installed to the specified torque.
- If the horn button assy has been dropped, or there are cracks, dents or other defects in the case or connector, replace the horn button assy with a new one.
- When installing the horn button assy, take care that the wirings do not interfere with other parts and are not pinched between other parts.
1. Connect the airbag connector.
  
  Fig 16: Installing Horn Button Assy
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the horn button assy after confirming that the circumference groove of the torx screw is caught on the screw case.
3. Using a torx socket wrench, torque the 2 screws.
Torque: 8.8 N.m (90 kgf.cm, 78 in.lbf)
INSTALL STEERING WHEEL COVER LOWER NO.2
INSTALL STEERING PAD SWITCH MODULATOR (See STEERING PAD SWITCH MODULATOR REPLACEMENT
INSTALL SWITCH & VOLUME CASE (See STEERING PAD SWITCH MODULATOR REPLACEMENT
INSPECT STEERING WHEEL CENTER POINT
INSPECT SRS WARNING LIGHT