Toyota Yaris: Steering Column Assembly / Removal

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Steering / Steering Column / Steering Column Assembly / Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during the electric power steering column sub-assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Electric power steering column sub-assembly

Assist map writing

There is a difference in steering effort between turning left and right.

Steering lock ECU (Steering lock actuator or upper bracket assembly)

Code registration

  • Wireless door lock control system
  • Smart key system (for Entry function)
  • Smart key system (for Start function)
  • Engine start function

HINT:

When the cable is disconnected/reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

  • Learning completes when vehicle is driven

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Lane tracing assist system

    Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more.

    Pre-collision system

    Stop and start system

    Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)

  • Learning completes when vehicle is operated normally

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Power door lock control system

    • Back door opener

    Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

    Air conditioning system

    After the ignition switch is turned to ON, the servo motor standard position is recognized.

    -

PROCEDURE

1. PRECAUTION

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2. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD

3. REMOVE HORN BUTTON ASSEMBLY

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4. REMOVE STEERING WHEEL ASSEMBLY

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5. REMOVE LOWER STEERING COLUMN COVER

NOTICE:

Removing the lower steering column cover in the incorrect order will cause the parts to break.

(a) Release the tilt and telescopic lever and fully extend and lower the steering column assembly.

(b) Lock the tilt and telescopic lever.

(c) Remove the 3 screws.

Push

Push Area

(d) While pressing the push area shown in the illustration to disengage the claws, slightly lower the lower steering column cover.

6. REMOVE UPPER STEERING COLUMN COVER

(a) Disengage the claw to remove the upper steering column cover.

7. REMOVE TURN SIGNAL SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY

NOTICE:

  • Do not replace the spiral cable sub-assembly and steering sensor with the auxiliary battery connected and the ignition switch ON.
  • Do not rotate the spiral cable sub-assembly without the steering wheel assembly installed, with the auxiliary battery connected and the ignition switch ON.
  • Ensure that the steering wheel assembly is installed and aligned straight when inspecting the steering sensor.

(a) Disconnect each connector from the turn signal switch assembly with spiral cable sub-assembly.

(b) Using pliers, expand the clamp.

*a

Clamp

Down

(c) While holding the clamp expanded, raise the claw using a screwdriver to disengage it, and then remove the turn signal switch assembly with spiral cable sub-assembly from the steering column assembly.

8. REMOVE CONSOLE BOX ASSEMBLY

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9. REMOVE FRONT DOOR SCUFF PLATE LH

Click here

10. REMOVE COWL SIDE TRIM BOARD LH

Click here

11. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

Click here

12. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP LH

Click here

13. REMOVE NO. 1 INSTRUMENT SIDE PANEL

Click here

14. DISCONNECT HOOD LOCK CONTROL LEVER SUB-ASSEMBLY

Click here

15. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY

Click here

16. REMOVE STOP LIGHT SWITCH ASSEMBLY

Click here

17. REMOVE NO. 1 AIR DUCT

Click here

18. REMOVE COLUMN HOLE COVER SILENCER SHEET

(a) Remove the retainer.

(b) Disengage the clip to remove the column hole cover silencer sheet.

19. DISCONNECT NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY

(a) Put matchmarks on the No. 2 steering intermediate shaft assembly and steering gear assembly.

*a

Matchmark

Disconnect in this direction

(b) Remove the bolt.

(c) Disconnect the No. 2 steering intermediate shaft assembly from the steering gear assembly.

20. REMOVE NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY

(a) Put matchmarks on the No. 2 steering intermediate shaft assembly and steering column assembly.

*a

Matchmark

Remove in this direction

(b) Remove the bolt.

(c) Remove the No. 2 steering intermediate shaft assembly from the steering column assembly.

21. REMOVE STEERING COLUMN ASSEMBLY

(a) Disconnect each connector and disengage each wire harness clamp from the steering column assembly.

(b) Remove the bolt, 2 nuts and steering column assembly.

    Components

    COMPONENTS ILLUSTRATION *1 STEERING WHEEL ASSEMBLY - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft...

    Disassembly

    DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: Do not drop the power steering ECU assembly, strike it with tools or subject it to impacts. If the power steering ECU assembly is subjected to an impact, replace it with a new one...

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    Categories

    Break-In Period

    No special break-in is necessary, but a few precautions in the first 600 miles (1,000 km) may add to the performance, economy, and life of the vehicle.

    Do not race the engine. Do not maintain one constant speed, either slow or fast, for a long period of time. Do not drive constantly at full-throttle or high engine rpm for extended periods of time. Avoid unnecessary hard stops. Avoid full-throttle starts.

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