Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001GFP9 |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 - 04/2020] |
Title: 2ZR-FXE (EMISSION CONTROL): EGR VALVE: REMOVAL; 2020 MY Corolla Corolla HV [01/2019 - 04/2020] |
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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Auxiliary battery terminal is disconnected/reconnected
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Perform steering sensor zero point calibration
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Lane Control System (for HV Model)
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Pre-collision System (for HV Model)
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Replacement of inverter with converter assembly
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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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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:
After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for HV Model))
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. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY
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3. REMOVE NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL
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4. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY
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5. DISCONNECT ENGINE WIRE
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6. REMOVE AUXILIARY BATTERY
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7. REMOVE SERVICE PLUG GRIP
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8. DRAIN ENGINE COOLANT (for Engine)
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9. REMOVE ECM
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10. REMOVE BATTERY CLAMP SUB-ASSEMBLY
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11. SEPARATE FLOOR SHIFT TRANSMISSION CONTROL SELECT CABLE
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12. DISCONNECT ENGINE WIRE
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13. REMOVE CONNECTOR COVER ASSEMBLY
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14. CHECK TERMINAL VOLTAGE
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15. TEMPORARILY INSTALL CONNECTOR COVER ASSEMBLY
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16. DISCONNECT HV FLOOR UNDER WIRE
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17. DISCONNECT HV AIR CONDITIONING WIRE
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18. SEPARATE INVERTER WITH CONVERTER ASSEMBLY
CAUTION:
Wear insulated gloves.
(a) Remove the 5 bolts and 2 nuts and separate the inverter with converter assembly.
NOTICE:
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To prevent damage due to static electricity, do not touch the terminals of the inverter with converter assembly connector.
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Make sure to seal the inverter with converter assembly with the connector cover assembly or tape (non-residue type) etc., to prevent entry of foreign matter and water.
(b) Using a rope or equivalent, secure the inverter with converter assembly with the hood hinge.
NOTICE:
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Be careful not to damage the surrounding components when securing the inverter with converter assembly.
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To prevent damage to the inverter with converter assembly, do not hold the coolant pipe, bracket or connector when securing the inverter with converter assembly.
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To prevent damage due to static electricity, do not touch the terminals of the inverter with converter assembly connector.
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Make sure to seal the inverter with converter assembly with the connector cover assembly or tape (non-residue type) etc., to prevent entry of foreign matter and water.
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19. REMOVE EGR PIPE ASSEMBLY
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20. 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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