Last Modified: 08-22-2025 6.11:8.1.0 Doc ID: RM0000003TPCPVP
Model Year Start: 2026 Model: GR Corolla Prod Date Range: [08/2025 -           ]
Title: AUDIO / VIDEO: ACTIVE NOISE CONTROL ECU (w/ Stereo Component Amplifier): REMOVAL; 2026 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2025 -        ]

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 stereo component equalizer assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link
*: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation.

Stereo Component Equalizer Assembly

ECU configuration

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2023 - 2026 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; SETUP: WHEN REPLACING OR REMOVING/INSTALLING PARTS: ECU CONFIGURATION

w/ Occupant Classification System:

  • Front passenger seat*

Zero point calibration (Occupant classification system)
  • Occupant Classification System
  • Passenger airbag ON/OFF indicator
  • Airbag System (Front passenger side)
  • Seat Belt Warning System (Front passenger)

2023 - 2026 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for TMC Made): INITIALIZATION

CAUTION:

Be sure to read Precaution thoroughly before servicing.

Click here 2023 - 2026 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 - 2026 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.

Learning completes when vehicle is driven

Effect/Inoperative Function when Necessary Procedure not Performed

Necessary Procedure

Link

Front Camera System

Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.

2023 - 2026 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 Procedure not Performed

Necessary Procedure

Link

Power Door Lock Control System

  • Back door opener

Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

2023 - 2026 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: INITIALIZATION

PROCEDURE

1. REMOVE FRONT SEAT ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

Click here 2026 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2025 -        ]; SEAT: FRONT SEAT ASSEMBLY (for Manual Seat): REMOVAL

2. REMOVE AUDIO AMPLIFIER COVER

(a) Pull the audio amplifier cover in the direction indicated by the arrow (1) shown in the illustration to disengage the 2 clips.

Remove in this Direction (1)

Remove in this Direction (2)

(b) Pull the audio amplifier cover in the direction indicated by the arrow (2) shown in the illustration to disengage the guide and remove the audio amplifier cover.

3. REMOVE STEREO COMPONENT EQUALIZER ASSEMBLY

(a) Disengage the clamp.

(b) Disconnect the 2 connectors.

(c) Remove the 2 bolts and stereo component equalizer assembly.