2ZR-FAE (ENGINE CONTROL): ENGINE COOLANT TEMPERATURE SENSOR: REMOVAL; 2020 - 2022 MY Corolla [03/2019

Last Modified: 05-13-2024	6.11:8.1.0	Doc ID: RM100000001HZ8A
Model Year Start: 2020	Model: Corolla	Prod Date Range: [03/2019 - 09/2022]
Title: 2ZR-FAE (ENGINE CONTROL): ENGINE COOLANT TEMPERATURE SENSOR: REMOVAL; 2020 - 2022 MY Corolla [03/2019 - 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	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed
Battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane Control System (for Gasoline Model)
		Pre-collision System (for Gasoline Model)
		Lighting System (w/ AFS)(EXT)
Replacement of engine coolant temperature sensor	Inspection after repair	Poor idle, etc. Engine start function, etc.

NOTICE:

After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System and Audio and Visual System (for Gasoline Model))

PROCEDURE

1. DRAIN ENGINE COOLANT

Click here

2. REMOVE BATTERY

Click here

3. REMOVE ENGINE COOLANT TEMPERATURE SENSOR

(a) Disconnect the engine coolant temperature sensor connector.

(b) Using SST, remove the engine coolant temperature sensor from the cylinder head sub-assembly.

SST: 09817-33191

NOTICE:

If the engine coolant temperature sensor has been struck or dropped, replace it.