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
Replacement of engine coolant temperature sensor	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [03/2023 - ]
Replacement of ECM	Perform Vehicle Identification Number (VIN) registration	DTC is output	Refer to REGISTRATION [12/2022 - ]
	ECU configuration	-	Refer to ECU CONFIGURATION [12/2022 - ]
	Update ECU security key	Vehicle Control History (RoB) are stored	Refer to UPDATE ECU SECURITY KEY [12/2022 - ]
Replacement of inverter with converter assembly	ECU configuration	-	Refer to ECU CONFIGURATION [12/2022 - ]
Replacement of inverter with converter assembly	Resolver learning	DTCs are stored Slight vibration at a vehicle speed of 5 km/h (3 mph) or less Shock or vibration during acceleration	for M20A-FXS HEV model: Refer to UTILITY [12/2022 - ] for M20A-FXS PHEV Model: Refer to UTILITY [03/2023 - ]
for PHEV Model: Replacement of service plug grip	High voltage fuse accumulated load history reset	DTCs are stored	Refer to UTILITY [03/2023 - ]

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.

ITEMS FOR WHICH LEARNING IS COMPLETED BY DRIVING THE VEHICLE

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
Front Camera System	Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.	Refer to INITIALIZATION [12/2022 - ]

ITEMS FOR WHICH LEARNING IS COMPLETED BY OPERATING THE VEHICLE NORMALLY

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
Power Door Lock Control System*1 Back door opener	Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.	Refer to INITIALIZATION [12/2022 - ]
Power Back Door System*2	Reset back door close position	Refer to INITIALIZATION [12/2022 - ]
Air Conditioning System	for HEV Model: After the ignition switch is turned to ON, the servo motor standard position is recognized. for PHEV Model: After the ignition switch is turned to ON, the servo motor and expansion valve standard position is recognized.	-

Effect/Inoperative Function when Necessary Procedure not Performed

Necessary Procedure

Link

Power Door Lock Control System*1

Back door opener

Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

Refer to INITIALIZATION [12/2022 - ]

Power Back Door System*2

Reset back door close position

Refer to INITIALIZATION [12/2022 - ]

Air Conditioning System

for HEV Model:

After the ignition switch is turned to ON, the servo motor standard position is recognized.

for PHEV Model:

After the ignition switch is turned to ON, the servo motor and expansion valve standard position is recognized.

*1: w/o Power Back Door System*2: w/ Power Back Door System

COMPONENTS (REMOVAL)

Fig 1: Engine Coolant Temperature Sensor Removal Components [03/2023 - ]

Callout - Procedure		Part Name Code
1	DRAIN ENGINE COOLANT (for Engine)	-	-	See step 1	-
2	NO. 2 VENTILATION HOSE	12262	-	-	-
3	AIR CLEANER CAP WITH AIR CLEANER HOSE	-	-	-	-
4	NO. 2 ENGINE COOLANT TEMPERATURE SENSOR	89422N	See step 4	-	-
5	INVERTER WITH CONVERTER ASSEMBLY	G9200	-	-	-
6	ENGINE COOLANT TEMPERATURE SENSOR	89422A	See step 6	-	-

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Non-reusable part