Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM10000000266ZH
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 -           ]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: STEERING PAD (for G16E-GTS): REMOVAL; 2023 - 2025 MY GR Corolla [09/2022 -        ]

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 horn button assembly removal/installation are shown below.

HINT:

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

Items for which learning is completed by driving the vehicle

Effect/Inoperative Function when Necessary Procedure not Performed

Necessary Procedures

Link

Front Camera System (for TMC Made)

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

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA SYSTEM (for TMC Made): INITIALIZATION 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA SYSTEM: INITIALIZATION

Learning completes when vehicle is operated normally

Effect/Inoperative Function when Necessary Procedure 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.

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM (for TMC Made): INITIALIZATION 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: INITIALIZATION

NOTICE:

  • 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 3 minutes before disconnecting the cable from the negative (-) auxiliary battery terminal.
  • When the cable is disconnected from the negative (-) auxiliary battery terminal and the security lock setting has been enabled, multi-display operations will be disabled upon next startup unless the password is entered. Be sure to check the security lock setting before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for Single Knob Type))

PROCEDURE

1. PRECAUTION

CAUTION:

Be sure to read Precaution thoroughly before servicing.

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made): PRECAUTION 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: PRECAUTION

NOTICE:

After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

2. REMOVE DECK BOARD ASSEMBLY

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Hatchback): REMOVAL+ 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Hatchback): REMOVAL+

3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

Click here 2023 MY GR Corolla [09/2022 - 11/2022]; G16E-GTS (BATTERY / CHARGING): GENERATOR: REMOVAL+ 2023 - 2025 MY GR Corolla [11/2022 -        ]; G16E-GTS (BATTERY / CHARGING): GENERATOR: REMOVAL+

CAUTION:

Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

4. REMOVE HORN BUTTON ASSEMBLY

CAUTION:

When storing the horn button assembly, keep the airbag deployment side facing upward.

Deployment Side

(a) Check that the ignition switch is off.

(b) Check that the cable is disconnected from the negative (-) auxiliary battery terminal.

CAUTION:

Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

(c) Using a screwdriver, push in the 3 torsion springs to disengage the 3 pins as shown in the illustration.

NOTICE:

Lightly hold the horn button assembly so that it does not fall.

HINT:

Insert the screwdriver from each service hole.

*a

Torsion Spring

-

-

Push in this Direction

-

-

(d) Pull out the horn button assembly from the steering wheel assembly and hold the horn button assembly with one hand.

NOTICE:

When separating the horn button assembly, do not pull the airbag wire harness.

(e) Disconnect the horn connector from the horn button assembly.

(f) Disconnect the 2 airbag connectors.

NOTICE:

When disconnecting any airbag connector, take care not to damage the airbag wire harness.

HINT:

Refer to How to Connect or Disconnect Airbag Connector.

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made): HOW TO CONNECT OR DISCONNECT AIRBAG CONNECTOR 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: HOW TO CONNECT OR DISCONNECT AIRBAG CONNECTOR

(g) Disengage the wire harness clamp to remove the horn button assembly.