STEERING COLUMN ASSEMBLY REASSEMBLY

Note


  • When using a vise, do not overtighten it.

  • Do not drop the power steering ECU with motor assembly, strike it with tools or subject it to impacts.

  • If the power steering ECU with motor assembly is subjected to an impact, replace it with a new one.

  • Do not pull the wire harness of the electric power steering column sub-assembly.

  • Do not allow any moisture to come into contact with the power steering ECU with motor assembly.

  • Do not loosen any bolts not mentioned in the procedure.


  1. INSTALL IGNITION OR STARTER SWITCH ASSEMBLY (w/o Smart Entry and Start System)


    1. B000MU1

      Engage the 2 claws to install the ignition or starter switch assembly to the steering column upper bracket assembly.

  2. INSTALL IGNITION SWITCH LOCK CYLINDER ASSEMBLY (w/o Smart Entry and Start System)


    1. B000NOYE01
      Text in Illustration
      *a LOCK
      *b ACC

      Make sure that the ignition switch lock cylinder assembly is in the ACC position.

    2. Install the ignition switch lock cylinder assembly to the steering column upper bracket assembly.

    3. Make sure that the ignition switch lock cylinder assembly is securely installed.

  3. INSTALL KEY INTERLOCK SOLENOID (w/o Smart Entry and Start System)


    1. B000HQN

      Engage the claw to install the key interlock solenoid to the steering column upper bracket assembly.

    2. Install the screw.

  4. INSTALL UNLOCK WARNING SWITCH ASSEMBLY (w/o Smart Entry and Start System)


    1. B000NHW

      Slide the unlock warning switch assembly and engage the 2 claws to install the unlock warning switch assembly to the steering column upper bracket assembly as shown in the illustration.

  5. INSTALL TRANSPONDER KEY COIL (w/o Smart Entry and Start System)


    1. B000LBH

      Align the transponder key coil with the steering column upper bracket assembly. Tilt the transponder key coil slightly and slide it into position.

    2. Push the transponder key coil, and engage the 2 claws to install the transponder key coil to the steering column upper bracket assembly.

  6. INSPECT STEERING LOCK OPERATION (w/o Smart Entry and Start System)


    1. B000MV8

      Check that the steering lock mechanism is activated when the key is removed.

    2. B000HKSE01
      Text in Illustration
      *a LOCK
      *b ACC

      Check that the steering lock mechanism is deactivated when the key is inserted and turned to the ACC position.

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

  7. INSTALL POWER STEERING ECU WITH MOTOR ASSEMBLY (for Manual Tilt and Manual Telescopic Steering Column)


    1. Install a new electric power steering motor shaft damper to the electric power steering column sub-assembly.

    2. Install a new electric power steering motor shaft spacer to the electric power steering column sub-assembly.

    3. B000KT4E02

      Temporarily install the power steering ECU with motor assembly to the electric power steering column sub-assembly with 3 bolts.

      Note


      • Bolt (A) is shorter than bolt (B). Make sure to install them to the correct positions.

      • When temporarily installing the 3 bolts to the power steering ECU with motor assembly, do not tighten them all the way down.

    4. B000IZIE02
      Text in Illustration
      *1 Service Nut

      Install the 2 service nuts to the steering main shaft.

      Recommended Service Nut
      Thread Diameter
      12.0 mm (0.472 in.)
      Thread Pitch
      1.25 mm (0.0492 in.)

    5. Simultaneously rotate the service nut that was installed first counterclockwise and rotate the service nut that was installed second clockwise to lock them.

      Note

      Do not apply excessive torque to the service nuts by using a tool such as an impact wrench.

      Tech Tips

      These nuts are installed to turn the steering main shaft. They should be removed after inspecting the steering main shaft rotating torque.

    6. B000H5EE01
      Text in Illustration
      *1 Aluminum Plate
      *2 Wooden Block

      Secure the steering column assembly in a vise using aluminum plates as shown in the illustration.

      Note


      • Do not overtighten the vise, as the steering column assembly may become deformed.

      • Secure the steering column assembly so that the power steering ECU with motor assembly is directly upright.

      • Support the steering column assembly with a wooden block or similar item to ensure that it does not fall.

    7. B000NFD

      Turn the steering main shaft once 180 degrees to the left and then 180 degrees to the right at a speed of 60 rpm, and repeat 2 to 3 times to adjust the axis of the power steering ECU with motor assembly.

    8. Tighten the 3 bolts.

      Torque:
      19 N*m  { 189 kgf*cm, 14 ft.*lbf }

      Note

      Make sure not to move the power steering motor assembly after adjusting the axis.

    9. B000KZB

      Measure the turning torque of the steering main shaft.

      Torque:
      Turning Torque
      1.0 to 1.8 N*m  { 10 to 18 kgf*cm, 9 to 15 in.*lbf }

      Note

      Ensure that there is no abnormal resistance during rotation.

      If the torque is not as specified, readjust the axis of the power steering ECU with motor assembly.

    10. Remove the 2 service nuts from the steering main shaft.

    11. Connect the connector to the power steering ECU with motor assembly.

  8. INSTALL ECU WIRE SUB-ASSEMBLY (for Manual Tilt and Manual Telescopic Steering Column)


    1. Engage the 2 wire harness clamps to install the ECU wire sub-assembly.

    2. Connect the 2 connectors to the power steering ECU with motor assembly.

  9. INSTALL POWER STEERING ECU WITH MOTOR ASSEMBLY (for Power Tilt and Power Telescopic Steering Column)


    1. Install a new electric power steering motor shaft damper to the electric power steering column sub-assembly.

    2. Install a new electric power steering motor shaft spacer to the electric power steering column sub-assembly.

    3. B000JPJE01

      Temporarily install the power steering ECU with motor assembly to the electric power steering column sub-assembly with 3 bolts.

      Note


      • Bolt (A) is shorter than bolt (B). Make sure to install them to the correct positions.

      • When temporarily installing the 3 bolts to the power steering ECU with motor assembly, do not tighten them all the way down.

    4. B000IZIE02
      Text in Illustration
      *1 Service Nut

      Install the 2 service nuts to the steering main shaft.

      Recommended Service Nut
      Thread Diameter
      12.0 mm (0.472 in.)
      Thread Pitch
      1.25 mm (0.0492 in.)

    5. Simultaneously rotate the service nut that was installed first counterclockwise and rotate the service nut that was installed second clockwise to lock them.

      Note

      Do not apply excessive torque to the service nuts by using a tool such as an impact wrench.

      Tech Tips

      These nuts are installed to turn the steering main shaft. They should be removed after inspecting the steering main shaft rotating torque.

    6. B000HX6E01
      Text in Illustration
      *1 Wooden Block

      Securely set the steering column assembly on a wooden block or similar item.

      Note


      • Be sure to hold the steering column assembly by hand so that it will not move while servicing.

      • Make sure that the power steering motor assembly is facing upward.

    7. B000L3T

      Turn the steering main shaft once 180 degrees to the left and then 180 degrees to the right at a speed of 60 rpm, and repeat 2 to 3 times to adjust the axis of the power steering ECU with motor assembly.

    8. Tighten the 3 bolts.

      Torque:
      19 N*m  { 189 kgf*cm, 14 ft.*lbf }

      Note

      Make sure not to move the power steering motor assembly after adjusting the axis.

    9. B000INJ

      Measure the turning torque of the steering main shaft.

      Torque:
      Turning Torque
      1.0 to 1.8 N*m  { 10 to 18 kgf*cm, 9 to 15 in.*lbf }

      Note

      Ensure that there is no abnormal resistance during rotation.

      If the torque is not as specified, readjust the axis of the power steering ECU with motor assembly.

    10. Remove the 2 service nuts from the steering main shaft.

    11. Connect the connector to the power steering ECU with motor assembly.

  10. INSTALL ECU WIRE SUB-ASSEMBLY (for Power Tilt and Power Telescopic Steering Column)


    1. Engage the 2 wire harness clamps to install the ECU wire sub-assembly.

    2. Connect the 2 connectors to the power steering ECU with motor assembly.

  11. INSTALL POWER STEERING ECU PROTECTOR


    1. Install a new power steering ECU protector to the power steering ECU with motor assembly.

  12. INSTALL MULTIPLEX TILT AND TELESCOPIC ECU (for Power Tilt and Power Telescopic Steering Column)


    1. Engage the claw to install the multiplex tilt and telescopic ECU to the electric power steering column sub-assembly.

  13. INSTALL STEERING COLUMN UPPER WITH SWITCH BRACKET ASSEMBLY (w/o Smart Entry and Start System)


    1. Secure the steering column assembly in a vise.

    2. B000LPI

      Temporarily install the steering column upper with switch bracket assembly to the steering column assembly with 2 new tapered-head bolts.

    3. Tighten the 2 tapered-head bolts until the bolt heads break off.

  14. INSTALL STEERING LOCK ACTUATOR ASSEMBLY (w/ Smart Entry and Start System)

    Tech Tips

    When replacing the steering lock actuator assembly, refer to Service Bulletin.


    1. for Manual Tilt and Manual Telescopic Steering Column


      1. Secure the steering column assembly in a vise.

      2. B000NK5

        Temporarily install the steering lock actuator assembly to the steering column assembly with 2 new tapered-head bolts.

      3. Tighten the 2 tapered-head bolts until the bolt heads break off.

    2. for Power Tilt and Power Telescopic Steering Column


      1. B000KC6

        Temporarily install the steering lock actuator assembly to the steering column assembly with the 2 new tapered-head bolts.

        Note

        Be sure to use a new tapered-head bolt.

      2. Tighten the 2 tapered-head bolts until the bolt heads break off.