Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001N3WQ
Model Year Start: 2021 Model: GR Corolla Prod Date Range: [04/2020 - 09/2022]
Title: CELLULAR COMMUNICATION: BACK-UP BATTERY: REMOVAL; 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 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 back-up battery 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

Back-up battery

Perform the reset back-up battery condition

Safety Connect System

2021 - 2025 MY Corolla Corolla HV [04/2020 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): INITIALIZATION

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

Link

Back-up battery

Perform the reset back-up battery condition

Safety Connect System

2021 - 2025 MY Corolla Corolla Hatchback GR Corolla [04/2020 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): INITIALIZATION

PROCEDURE

1. REMOVE DCM (TELEMATICS TRANSCEIVER) WITH BRACKET

Click here 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; CELLULAR COMMUNICATION: DCM(TELEMATICS TRANSCEIVER): REMOVAL

2. REMOVE BACK-UP BATTERY

(a) Disengage the 3 claws and 2 guides as shown in the illustration to remove the transceiver cover.

Remove in this Direction (1)

Remove in this Direction (2)

(b) Disconnect the connector.

Remove in this Direction

(c) Remove the back-up battery as shown in the illustration.