Last Modified: 08-22-2025 6.11:8.1.0 Doc ID: RM100000001GWZ0
Model Year Start: 2020 Model: Corolla Hatchback Prod Date Range: [01/2019 - 09/2022]
Title: STEERING COLUMN: STEERING COLUMN ASSEMBLY: DISASSEMBLY; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [01/2019 - 09/2022]

DISASSEMBLY

CAUTION / NOTICE / HINT

NOTICE:

  • Before replacing the steering lock actuator assembly, refer to Registration (w/ Smart Key System).

    for HV Model: Click here 2020 MY Corolla Corolla HV [01/2019 - 04/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION

    for Gasoline Model: Click here 2020 MY Corolla Corolla Hatchback [01/2019 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2020 MY Corolla Corolla Hatchback [09/2019 - 04/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2021 - 2022 MY Corolla Corolla Hatchback [04/2020 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

  • 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.
  • 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.
  • Do not allow any foreign matter to contaminate the power steering ECU with motor assembly.

PROCEDURE

1. REMOVE UPPER STEERING COLUMN BRACKET WITH SWITCH ASSEMBLY (w/o Smart Key System)

(a) Secure the steering column assembly in a vise between aluminum plates.

NOTICE:

Do not overtighten the vise.

(b) Using a drill, drill a hole in the 2 steering lock set bolts and insert a screw extractor.

(c) Using the screw extractor, remove the 2 steering lock set bolts, upper steering column clamp and upper steering column bracket with switch assembly.

2. REMOVE STEERING LOCK ACTUATOR ASSEMBLY (w/ Smart Key System)

(a) Secure the steering column assembly in a vise between aluminum plates.

NOTICE:

Do not overtighten the vise.

(b) Using SST, strike a punch mark for drilling in the center of the steering lock set bolt.

SST: 09622-00010

NOTICE:

When striking the punch mark, in order to prevent impact force from being applied to the steering lock actuator assembly, do not use a normal center punch.

(c) Using a drill, drill a hole in the 2 steering lock set bolts and insert a screw extractor.

(d) Using the screw extractor, remove the 2 steering lock set bolts, upper steering column clamp and steering lock actuator assembly.

3. REMOVE POWER STEERING ECU WITH MOTOR ASSEMBLY

Click here 2020 MY Corolla Corolla Hatchback Corolla HV [01/2019 - 03/2019]; POWER ASSIST SYSTEMS: POWER STEERING ECU: REMOVAL+ 2020 MY Corolla Corolla Hatchback Corolla HV [03/2019 - 09/2019]; POWER ASSIST SYSTEMS: POWER STEERING ECU: REMOVAL+ 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [09/2019 - 09/2022]; POWER ASSIST SYSTEMS: POWER STEERING ECU: REMOVAL+

4. REMOVE ELECTRIC POWER STEERING MOTOR SHAFT DAMPER

Click here 2020 MY Corolla Corolla Hatchback Corolla HV [01/2019 - 03/2019]; POWER ASSIST SYSTEMS: POWER STEERING ECU: REMOVAL+ 2020 MY Corolla Corolla Hatchback Corolla HV [03/2019 - 09/2019]; POWER ASSIST SYSTEMS: POWER STEERING ECU: REMOVAL+ 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [09/2019 - 09/2022]; POWER ASSIST SYSTEMS: POWER STEERING ECU: REMOVAL+

5. REMOVE IGNITION SWITCH LOCK CYLINDER ASSEMBLY (w/o Smart Key System)

(a) Turn the ignition switch to ACC.

*a

LOCK

*b

ACC

Push

Pull

(b) Insert the tip of a screwdriver into the hole in the upper steering column bracket assembly, as shown in the illustration, and pull out the ignition switch lock cylinder assembly.

6. REMOVE UN-LOCK WARNING SWITCH ASSEMBLY (w/o Smart Key System)

(a) Remove the un-lock warning switch assembly by pushing up the center part and releasing the 2 claws.

*a

Center Part

Slide in this direction

HINT:

Slide the un-lock warning switch assembly in the direction shown by the arrow in the illustration to remove it.

7. REMOVE IGNITION OR STARTER SWITCH ASSEMBLY (w/o Smart Key System)

(a) Disengage the 2 claws and remove the ignition or starter switch assembly from the upper steering column bracket assembly.