Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001H4Y9 |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 - 09/2022] |
Title: 2ZR-FXE (ENGINE CONTROL): ENGINE COOLANT TEMPERATURE SENSOR: REMOVAL; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] |
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 engine coolant temperature sensor 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 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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Replacement of engine coolant temperature sensor
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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. REMOVE NO. 2 ENGINE COOLANT TEMPERATURE SENSOR (w/ No. 2 Engine Coolant Temperature Sensor)
(a) Drain the engine coolant (for Engine).
Click here
(b) Disconnect the No. 2 engine coolant temperature sensor connector.
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(c) Remove the clip and No. 2 engine coolant temperature sensor from the radiator pipe.
NOTICE:
If the No. 2 engine coolant temperature sensor has been struck or dropped, replace it.
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2. REMOVE ENGINE COOLANT TEMPERATURE SENSOR
(a) Remove the EGR valve assembly.
Click here
(b) Disconnect the engine coolant temperature sensor connector.
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(c) Using SST, remove the engine coolant temperature sensor from the water outlet.
SST: 09817-33191
NOTICE:
If the engine coolant temperature sensor has been struck or dropped, replace it.
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(d) Remove the gasket from the engine coolant temperature sensor.
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