Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001HZP5
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [03/2019 - 09/2022]
Title: CELLULAR COMMUNICATION: TELEPHONE AND GPS ANTENNA CORDS: 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 cord 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 NO. 2 BACK DOOR SERVICE HOLE COVER (for Hatchback)

Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; DOOR / HATCH: BACK DOOR: DISASSEMBLY+

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

(a) Disconnect the washer hose.

HINT:

Use a container to collect the windshield washer fluid.

(b) Disengage the 2 clamps.

(c) Disconnect the connector.

(d) Disengage the 4 clamps.

(e) Disconnect the washer hose.

HINT:

Use a container to collect the windshield washer fluid.

(f) Disengage the 8 claws to separate the 2 grommets.

(g) Remove the telephone and GPS antenna cord.

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 CORD (for Sedan)

(a) Disconnect the connector.

(b) Disengage the 5 clamps to remove the telephone and GPS antenna cord.