Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM1000000025TVO
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 - 11/2022]
Title: POWER DISTRIBUTION: INTEGRATION RELAY: REMOVAL; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]

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 the No. 1 integration relay removal/installation are shown below. (for Gasoline Model)

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

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

Pre-collision System (for TMMMS 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: PRE-COLLISION SYSTEM (for TMMMS Made): INITIALIZATION

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.

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

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during the No. 1 integration relay removal/installation are shown below. (for HV Model)

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

Front Camera System (for TMC Made)

Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second 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

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the engine 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.

2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

for M20A-FKS: Click here 2023 MY Corolla Corolla Hatchback [09/2022 - 11/2022]; MAINTENANCE: M20A-FKS BATTERY: REMOVAL+

for 2ZR-FAE: Click here 2023 MY Corolla [09/2022 - 11/2022]; MAINTENANCE: 2ZR-FAE BATTERY: REMOVAL+

for 2ZR-FXE: Click here 2023 MY Corolla Corolla HV [09/2022 - 11/2022]; MAINTENANCE: 2ZR-FXE AUXILIARY BATTERY: REMOVAL+

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

3. REMOVE NO. 1 RELAY BLOCK COVER

(a) except TMC Made

(1) Disengage the 3 claws to remove the No. 1 relay block cover as shown in the illustration.

*A

for Gasoline Model

*B

for HV Model

Remove in this Direction

(b) for TMC Made, GR

(1) Disengage the 3 claws to remove the No. 1 relay block cover as shown in the illustration.

Remove in this Direction

4. REMOVE NO. 1 INTEGRATION RELAY

(a) except TMC Made

(1) Using a screwdriver, disengage the 2 claws.

(2) Pull the No. 1 integration relay as shown in the illustration.

Remove in this Direction

NOTICE:

When pulling the No. 1 integration relay, take care not to damage it.

(3) Disconnect the 2 connectors to remove the No. 1 integration relay.

NOTICE:

When pulling the No. 1 integration relay, take care not to damage it.

(b) for TMC Made, GR

(1) Using a screwdriver, disengage the 2 claws.

(2) Pull the No. 1 integration relay as shown in the illustration.

Remove in this Direction

NOTICE:

When pulling the No. 1 integration relay, take care not to damage it.

(3) Disconnect the 2 connectors to remove the No. 1 integration relay.

NOTICE:

When pulling the No. 1 integration relay, take care not to damage it.