THEFT DETERRENT / KEYLESS ENTRY: ELECTRICAL KEY OSCILLATOR (for Sedan Inside Luggage Compartment): REMOVAL; 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019

Last Modified: 07-31-2024	6.11:8.1.0	Doc ID: RM100000001GI8Z
Model Year Start: 2020	Model: GR Corolla	Prod Date Range: [01/2019 - 03/2019]
Title: THEFT DETERRENT / KEYLESS ENTRY: ELECTRICAL KEY OSCILLATOR (for Sedan Inside Luggage Compartment): REMOVAL; 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]

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 No. 3 indoor electrical key antenna assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced (for 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 (for HV Model)
Disconnect cable from negative auxiliary battery terminal	Perform steering sensor zero point calibration	Pre-collision System (for HV Model)

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

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function When Necessary Procedures are not Performed
*1: for Hatchback
Disconnect cable from negative battery terminal	Perform steering sensor zero point calibration	Lane Control System (for Gasoline Model)
		Pre-collision System (for Gasoline Model)
		Lighting System (w/ AFS)(EXT)
	Initialize back door lock*1	Power Door Lock Control System (for Hatchback, Gasoline Model)

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))
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 Audio and Visual System (for Gasoline Model))
After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)

PROCEDURE

1. PRECAUTION

NOTICE:

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

2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

for M20A-FKS: Click here

for 2ZR-FAE: Click here

for 2ZR-FXE: Click here

3. REMOVE SPARE WHEEL COVER

Click here

4. REMOVE NO. 3 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY

(a) Disconnect the connector.

*a	Clamp
*b	Guide

(b) Disengage the clamp and guide to remove the No. 3 indoor electrical key antenna assembly.

NOTICE:

Be careful when removing the No. 3 indoor electrical key antenna assembly. If the No. 3 indoor electrical key antenna assembly is dropped, replace it with a new one.