Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000028KPQ
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 -           ]
Title: STEERING COLUMN: STEERING COLUMN ASSEMBLY: DISASSEMBLY; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]

DISASSEMBLY

CAUTION / NOTICE / HINT

NOTICE:

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

    Click here 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

  • 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.
  • Do not pull the wire harness.
  • Do not allow any moisture to come into contact with the power steering ECU assembly.
  • Do not loosen any bolts not mentioned in the procedure.
  • Do not allow any foreign matter to contaminate the power steering ECU 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 with Steering Lock Actuator Assembly)

(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 ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING ECU: REMOVAL+

4. REMOVE ELECTRIC POWER STEERING MOTOR SHAFT DAMPER

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; 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.