Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000028T66
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 -           ]
Title: HEATING / AIR CONDITIONING: PTC HEATER ASSEMBLY: REMOVAL; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [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 quick heater assembly removal/installation are shown below.

CAUTION:

Be sure to read Precaution thoroughly before servicing.

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: PRECAUTION

NOTICE:

After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; SETUP: WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL: BEFORE DISCONNECTING BATTERY

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.

  • for HV Model:

    Learning completes when vehicle is driven

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Front Camera System

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

    2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA SYSTEM: INITIALIZATION

  • for Gasoline Model:

    Learning completes when vehicle is driven

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    *1: for GR Model

    *2: except GR Model

    Front Camera System

    • 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 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA SYSTEM: INITIALIZATION

    Learning completes when vehicle is operated normally

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    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 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: INITIALIZATION

PROCEDURE

1. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY

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2. REMOVE NO. 1 AIR DUCT

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; STEERING COLUMN: STEERING COLUMN ASSEMBLY: REMOVAL+

3. REMOVE NO. 2 HEATER COVER

(a) Disconnect the 2 connectors.

(b) Disengage the clamp.

(c) Remove the screw.

(d) Disengage the claw and 2 guides to remove the No. 2 heater cover.

4. REMOVE QUICK HEATER ASSEMBLY

(a) Remove the quick heater assembly as shown in the illustration.

Remove in this Direction