- DTCs are stored
- Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
- Shock or vibration during acceleration
| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM1000000028GDE |
| Model Year Start: 2023 | Model: Corolla | Prod Date Range: [11/2022 - ] |
| Title: 2ZR-FXE (ENGINE CONTROL): ENGINE COOLANT TEMPERATURE SENSOR: 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 engine coolant temperature sensor removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
|
Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
|---|---|---|---|
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Replacement of inverter with converter assembly |
ECU configuration |
- |
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Resolver learning |
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Replacement of ECM |
Vehicle Identification Number (VIN) or frame number registration |
MIL comes on |
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ECU configuration |
- |
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Update ECU security key |
Vehicle Control History (RoB) are stored |
|
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Inspection After Repair |
|
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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 |
Necessary Procedure |
Link |
|---|---|---|
|
Front Camera System |
Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more. |
|
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
![2023 - 2025 MY Corolla Corolla HV [09/2022 - ]; MAINTENANCE: 2ZR-FXE COOLANT (for Engine Coolant): REPLACEMENT+](/t3Portal/stylegraphics/info.gif)
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(b) Disconnect the No. 2 engine coolant temperature sensor connector. |
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(c) Disengage the clamp.
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(d) 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
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(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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