THEFT DETERRENT / KEYLESS ENTRY: TRANSPONDER KEY ECU: REMOVAL; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed or replaced during transponder key ECU assembly removal/installation are shown below.

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

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*: w/o Smart Key System

Transponder key ECU assembly*

Code registration (Immobiliser system)

Engine start
Telematics System

CAUTION:

Be sure to read Precaution thoroughly before servicing.

for TMC Made: Click here

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

for TMMMS Made: Click here

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

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))

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 Procedure not Performed

Necessary Procedure

Link

*1: for GR Model

*2: except GR Model

Front Camera System (for TMC Made)

Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.*1
Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.*2

Pre-collision System (for TMMMS Made)

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

Lane Tracing Assist System (for TMMMS Made)

Lane Departure Alert System (for TMMMS Made)

Learning completes when vehicle is operated normally

Effect/Inoperative Function when Necessary Procedure not Performed

Necessary Procedure

Link

*1: for Hatchback

Power Door Lock Control System

Back door opener*1

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

PROCEDURE

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.