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
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Necessary Procedures
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Link
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Front Camera System
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Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.
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Learning completes when vehicle is operated normally
Effect/Inoperative Function when Necessary Procedure not Performed
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Necessary Procedures
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Link
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Power Door Lock Control System
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Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
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NOTICE:
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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.
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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
PROCEDURE
1. REMOVE ECM
Click here
2. REMOVE BATTERY
Click here
3. REMOVE BATTERY CLAMP SUB-ASSEMBLY
Click here
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
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Retainer
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Pinch
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Pull off
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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.
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(b) Remove the bolt, 2 nuts and separate the engine wire.
(c) Disconnect the 2 connectors and disengage the clamp.
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(d) Disconnect the 6 connectors and disengage the 2 clamps.
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(e) Release the lock lever and disconnect the connector.
*a
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Protective Tape
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Release the lock lever
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Disconnect the connector
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(f) Disconnect the connector and disengage the clamp.
(g) Disconnect the connector.
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(h) Remove the bolt and separate the vacuum surge tank.
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(i) Disengage the 3 clamps and separate 3 hoses.
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(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.
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(c) Remove the No. 1 vacuum pump O-ring from the vacuum pump assembly.
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