Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000028GHX |
Model Year Start: 2023 |
Model: Corolla |
Prod Date Range: [11/2022 -
] |
Title: 2ZR-FXE (EMISSION CONTROL): EGR VALVE: REMOVAL; 2023 - 2025 MY Corolla Corolla HV [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 EGR valve assembly removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure
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Necessary Procedure
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Effect/Inoperative Function when Necessary Procedure not Performed
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Link
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Replacement of inverter with converter assembly
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ECU configuration
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Resolver learning
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DTCs are stored
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Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
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Shock or vibration during acceleration
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Replacement of ECM
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Vehicle Identification Number (VIN) or frame number registration
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MIL comes on
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ECU configuration
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Update ECU security key
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Vehicle Control History (RoB) are stored
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Replacement of EGR valve assembly
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Gas leak from exhaust system is repaired
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Inspection after repair
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Poor idle, etc.
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Engine start function, etc.
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NOTICE:
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After the ignition switch is turned off, the radio and display receiver assembly recordsvarious 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(-) auxiliary battery terminal.
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When the cable is disconnected from the negative (-) auxiliary battery terminal and thesecurity lock setting has been enabled, multi-display operations will be disabled uponnext startup unless the password is entered. Be sure to check the security lock settingbefore disconnecting the cable from the negative (-) auxiliary battery terminal. (forAudio and Visual System (for Single Knob Type))
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
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Necessary Procedure
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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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PROCEDURE
1. PRECAUTION
NOTICE:
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
2. DRAIN ENGINE COOLANT (for Engine)
Click here
3. REMOVE INVERTER WITH CONVERTER ASSEMBLY
Click here
4. REMOVE EGR PIPE ASSEMBLY
Click here
5. REMOVE EGR VALVE ASSEMBLY
(a) Disconnect the EGR valve assembly connector.
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(b) Slide the clip and disconnect the No. 6 water by-pass hose from the EGR valve assembly.
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(c) Slide the clip and disconnect the water by-pass hose from the EGR valve assembly.
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(e) Using an E8 "TORX" socket wrench, remove the stud bolt from the camshaft housing sub-assembly.
HINT:
If a stud bolt is deformed or the threads are damaged, replace it.
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(f) Remove the EGR valve assembly from the EGR pipe with cooler sub-assembly.
(g) Remove the EGR valve gasket from the EGR valve assembly.
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