Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001HZR4
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [03/2019 - 09/2019]
Title: STEERING COLUMN: STEERING COLUMN ASSEMBLY: REMOVAL; 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2019]

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 steering column assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Disconnect cable from negative auxiliary battery terminal

Perform steering sensor zero point calibration

Lane Control System

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; PRE-COLLISION: PRE-COLLISION SYSTEM (for HV Model): INITIALIZATION

Pre-collision System
  • Power steering ECU with motor assembly
  • Electric power steering column sub- assembly

Perform torque sensor zero point calibration and assist map writing
  • DTCs are output
  • Steering effort different between turning steering wheel left and right
  • EPS warning light illuminates

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for HV Model): CALIBRATION

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

Code registration (Smart Key System (for Start Function))
  • Wireless Door Lock Control System
  • Smart Key System (for Entry Function)
  • Smart Key System (for Start Function)
  • Steering lock function

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

Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link
*1: for Hatchback

*2: w/ Smart Key System

Disconnect cable from negative auxiliary battery terminal

Perform steering sensor zero point calibration

Lane Control System

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; PRE-COLLISION: PRE-COLLISION SYSTEM (for Gasoline Model): INITIALIZATION

Pre-collision System

Lighting System (w/ AFS)(EXT)

Initialize back door lock*1

Power Door Lock Control System

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM (for Hatchback, Gasoline Model): INITIALIZATION

Power steering ECU with motor assembly
  • Perform torque sensor zero point calibration
  • Assist map writing
  • DTCs are output
  • Steering effort different between turning steering wheel left and right
  • EPS warning light illuminates

2019 - 2020 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2019]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model (for Hatchback)): CALIBRATION for Hatchback

Electric power steering column sub-assembly

Perform torque sensor zero point calibration
  • Power steering ECU with motor assembly
  • Electric power steering column sub-assembly

Perform torque sensor zero point calibration and assist map writing
  • DTCs are output
  • Steering effort different between turning steering wheel left and right
  • EPS warning light illuminates

2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2019]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model (for Sedan)): CALIBRATION for Sedan

Steering lock ECU (steering lock actuator or upper bracket assembly)*2

Code registration (Smart Key System (for Start Function))
  • Wireless Door Lock Control System (w/ Smart Key System)
  • Smart Key System (for Entry Function)
  • Smart Key System (for Start Function)
  • Steering lock function

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

NOTICE:

for HV Model:

  • After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for HV Model))

for Gasoline Model:

  • After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System and Audio and Visual System (for Gasoline Model))

PROCEDURE

1. PRECAUTION

Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; STEERING COLUMN: STEERING SYSTEM: PRECAUTION

2. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD

3. REMOVE HORN BUTTON ASSEMBLY

Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [03/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: STEERING PAD (except G16E-GTS): REMOVAL

4. REMOVE STEERING WHEEL ASSEMBLY

Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [03/2019 - 09/2022]; STEERING COLUMN: STEERING WHEEL (except G16E-GTS): REMOVAL+

5. REMOVE LOWER STEERING COLUMN COVER SUB-ASSEMBLY

NOTICE:

Removing the lower steering column cover sub-assembly 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 Area

Push in this direction

(d) While pressing the push area shown in the illustration to disengage the 2 claws, slightly lower the lower steering column cover sub-assembly.

6. REMOVE UPPER STEERING COLUMN COVER

(a) Disengage the claw and separate the upper steering column cover.

Separate in this direction

(b) Disengage the 2 claws and 4 clips to remove the upper steering column cover.

7. REMOVE TRANSPONDER KEY COIL (w/o Smart Key System)

(a) Disconnect the connector.

(b) Disengage the 2 claws and remove the transponder key coil.

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

NOTICE:

  • Do not remove/install the spiral cable with sensor sub-assembly with the auxiliary battery connected and the ignition switch (for Gasoline Model) or power switch (for HV Model) on (IG).
  • Do not rotate the spiral cable with sensor sub-assembly without the steering wheel assembly installed, with the auxiliary battery connected and the ignition switch (for Gasoline Model) or power switch (for HV Model) on (IG).
  • 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

(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.

9. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY

Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: KNEE AIRBAG ASSEMBLY: REMOVAL

10. REMOVE FRONT NO. 1 CONSOLE BOX INSERT

Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [01/2019 - 09/2022]; INTERIOR PANELS / TRIM: FRONT CONSOLE BOX (except G16E-GTS): REMOVAL+

11. REMOVE FRONT CONSOLE UPPER PANEL GARNISH

Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [01/2019 - 09/2022]; INTERIOR PANELS / TRIM: FRONT CONSOLE BOX (except G16E-GTS): REMOVAL+

12. REMOVE NO. 1 AIR DUCT

(a) Remove the 2 bolts.

*a

View A

Front

(b) Disengage the 3 claws to remove the No. 1 air duct.

NOTICE:

Be careful not to deform or damage the lower heater case of the air conditioner unit assembly when removing the No. 1 air duct.

13. REMOVE COLUMN HOLE COVER SILENCER SHEET

(a) Disengage the claw and open the column hole cover silencer sheet.

Open in this direction

(b) Disengage the 2 claws to remove the column hole cover silencer sheet.

Place Hand Here

14. SEPARATE NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY

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

*a

Matchmark

Separate in this direction

(b) Remove the bolt.

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

15. 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.

16. REMOVE STOP LIGHT SWITCH ASSEMBLY

Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; LIGHTING (EXT): STOP LIGHT SWITCH: REMOVAL+

17. 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.