Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001HZP3
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [03/2019 - 09/2022]
Title: CELLULAR COMMUNICATION: TELEPHONE AND GPS ANTENNA (for Roof Side): REMOVAL; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 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 telephone and GPS antenna assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced (for Sedan, HV Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function When Necessary Procedures are 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

CAUTION:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.

Click here 2020 MY Corolla Corolla HV [01/2019 - 04/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): PRECAUTION 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): PRECAUTION

NOTICE:

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))

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

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function When Necessary Procedures are not Performed

Link
*1: for Hatchback

Disconnect cable from negative (-) 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

CAUTION:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.

for TMC Made Gasoline Model: Click here 2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 04/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made Gasoline Model): PRECAUTION 2021 - 2022 MY Corolla Corolla Hatchback GR Corolla [04/2020 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made Gasoline Model): PRECAUTION

for TMMMS Made: Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 04/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMMMS Made): PRECAUTION 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; 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 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System and Audio and Visual System (for Gasoline Model))

PROCEDURE

1. REMOVE ROOF HEADLINING ASSEMBLY (for Hatchback)

Click here 2019 - 2021 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 06/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Hatchback): REMOVAL 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2020 - 09/2022]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Hatchback): REMOVAL

2. REMOVE TELEPHONE AND GPS ANTENNA ASSEMBLY WITH COVER (for Hatchback)

(a) Disconnect the connector.

(b) Remove the bolt.

(c) Remove the washer and holder as shown in the illustration.

Remove in this Direction

(d) Remove the telephone and GPS antenna assembly with cover as shown in the illustration.

Remove in this Direction

3. REMOVE TELEPHONE AND GPS ANTENNA ASSEMBLY (for Hatchback)

(a) Pull the telephone and GPS antenna assembly in the direction indicated by the arrow (1) shown in the illustration to disengage the 5 claws and 2 guides.

Remove in this Direction (1)

Remove in this Direction (2)

(b) Pull the telephone and GPS antenna assembly in the direction indicated by the arrow (2) shown in the illustration to disengage the guide and remove the telephone and GPS antenna assembly.

(c) When reusing the telephone and GPS antenna assembly:

(1) Remove the seal.

4. REMOVE ROOF HEADLINING ASSEMBLY (for Sedan)

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 04/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Sedan): REMOVAL 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Sedan): REMOVAL

5. REMOVE TELEPHONE AND GPS ANTENNA ASSEMBLY WITH COVER (for Sedan)

(a) Disconnect the connector.

(b) Remove the bolt.

(c) Remove the washer and holder as shown in the illustration.

Remove in this Direction

(d) Remove the telephone and GPS antenna assembly with cover as shown in the illustration.

Remove in this Direction

6. REMOVE TELEPHONE AND GPS ANTENNA ASSEMBLY (for Sedan)

(a) Pull the telephone and GPS antenna assembly in the direction indicated by the arrow (1) shown in the illustration to disengage the 3 claws and 2 guides.

Remove in this Direction (1)

Remove in this Direction (2)

(b) Pull the telephone and GPS antenna assembly in the direction indicated by the arrow (2) shown in the illustration to disengage the guide and remove the telephone and GPS antenna assembly.

(c) When reusing the telephone and GPS antenna assembly:

(1) Remove the seal.