Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000028GCI
Model Year Start: 2023 Model: Corolla Hatchback Prod Date Range: [11/2022 -           ]
Title: BRAKE SYSTEM (OTHER): VACUUM PUMP (for M20A-FKS): REMOVAL; 2023 - 2025 MY Corolla Corolla Hatchback [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 vacuum pump assembly removal/installation are shown below.

HINT:

When the cable is disconnected / reconnected to the battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Items for which learning is completed by driving the vehicle

Effect/Inoperative Function when Necessary Procedure 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

Learning completes when vehicle is operated normally

Effect/Inoperative Function when Necessary Procedure 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

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 3 minutes before disconnecting the cable from the negative (-) battery terminal.
  • When the cable is disconnected from the negative (-) battery terminal and the security lock setting has been enabled, multi-display operations will be disabled upon next startup unless the password is entered. Be sure to check the security lock setting before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System (for Single Knob Type))

CAUTION / NOTICE / HINT

NOTICE:

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

PROCEDURE

1. REMOVE ECM

Click here 2023 MY Corolla Corolla Hatchback [11/2022 - 03/2023]; M20A-FKS (ENGINE CONTROL): ECM: REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback [03/2023 -        ]; M20A-FKS (ENGINE CONTROL): ECM: REMOVAL

2. REMOVE BATTERY

Click here 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; MAINTENANCE: M20A-FKS BATTERY: REMOVAL

3. REMOVE BATTERY CLAMP SUB-ASSEMBLY

Click here 2023 MY Corolla Corolla Hatchback [11/2022 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+ 2023 - 2025 MY Corolla Corolla Hatchback [03/2023 -        ]; M20A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

4. DISCONNECT NO. 1 VACUUM HOSE CONNECTOR

(a) Pinch the retainer of the No. 1 vacuum hose connector, and then pull the No. 1 vacuum hose connector off of the vacuum pump assembly.

*a

Retainer

Pinch

Pull off

NOTICE:

Be sure to disconnect the No. 1 vacuum hose connector by hand.

5. SEPARATE ENGINE WIRE

(a) Disconnect the connector and disengage the clamp.

(b) Remove the bolt, 2 nuts and separate the engine wire.

(c) Disconnect the 2 connectors and disengage the clamp.

(d) Disconnect the 6 connectors and disengage the 2 clamps.

(e) Release the lock lever and disconnect the connector.

*a

Protective Tape

Release the lock lever

Disconnect the connector

(f) Disconnect the connector and disengage the clamp.

(g) Disconnect the connector.

(h) Remove the bolt and separate the vacuum surge tank.

(i) Disengage the 3 clamps and separate 3 hoses.

(j) Remove the bolt and No. 3 water hose clamp bracket.

6. REMOVE VACUUM PUMP ASSEMBLY

(a) Move aside the engine wire.

NOTICE:

Do not apply excessive force to the engine wire.

(b) Using an 8 mm socket wrench, remove the 3 bolts and vacuum pump assembly from the engine assembly.

(c) Remove the No. 1 vacuum pump O-ring from the vacuum pump assembly.