Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000026ZK3 |
Model Year Start: 2023 |
Model: Corolla Hatchback |
Prod Date Range: [09/2022 - 11/2022] |
Title: M20A-FKS (ENGINE CONTROL): ENGINE COOLANT TEMPERATURE SENSOR: REMOVAL; 2023 MY Corolla Corolla Hatchback [09/2022 - 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
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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 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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Replacement of ECM
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Vehicle Identification Number (VIN) registration
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MIL comes on
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Vehicle Control History (RoB) are stored
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ECU communication ID registration (Immobiliser system)
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Engine start function
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for TMC Made
for TMMMS Made
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-
Perform reset memory
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CVT oil pressure calibration
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Perform road test to allow TCM to learn
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Large shift shock
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Deterioration of fuel efficiency
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for K120 Initialization
for K120 Registration
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Replacement of ECM*1
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Code registration (Smart Key System (for Gasoline Model, Start Function))
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Wireless Door Lock Control System (for Gasoline Model with Smart Key System)
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Smart Key System (for Gasoline Model, Entry Function)
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Smart Key System (for Gasoline Model, Start Function)
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Steering lock function*3
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for TMC Made
for TMMMS Made
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Replacement of ECM*2
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Code registration (Immobiliser system)
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Engine start
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Telematics System
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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.
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 (for TMC Made)
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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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Pre-collision System (for TMMMS Made)
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Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.
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Lane Tracing Assist System (for TMMMS Made)
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Lane Departure Alert System (for TMMMS Made)
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Learning completes when vehicle is operated normally
Effect/Inoperative Function when Necessary Procedure not Performed
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Necessary Procedure
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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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PROCEDURE
1. DRAIN ENGINE COOLANT (for Fully Sealed Type)
Click here
2. DRAIN ENGINE COOLANT (for Non-Fully Sealed Type)
Click here
3. REMOVE ECM
Click here
4. REMOVE BATTERY
Click here
5. REMOVE BATTERY CLAMP SUB-ASSEMBLY
Click here
6. REMOVE ENGINE COOLANT TEMPERATURE SENSOR
(a) Disconnect the engine coolant temperature sensor connector.
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(b) Remove the clip and engine coolant temperature sensor from the water outlet.
NOTICE:
If the engine coolant temperature sensor has been struck or dropped, replace it.
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