Caution / Notice / Hint

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during ECM 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 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 - ]

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

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

COMPONENTS (REMOVAL)

Fig 1: ECM Removal Components [12/2022 - 03/2023] (1 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Callout - Procedure		Part Name Code
1	PRECAUTION	-	See step 1	-	-
2	BATTERY SERVICE HOLE COVER ASSEMBLY	58440	See step 2	-	-
3	NEGATIVE AUXILIARY BATTERY TERMINAL	-	-	-	-

HINT:
As the illustration shown is an example, the actual details may differ.

Fig 2: ECM Removal Components [12/2022 - 03/2023] (2 Of 2)

Callout - Procedure		Part Name Code
4	ECM	89661	See step 4	-	-
5	NO. 2 ECM BRACKET	89668	-	-	-
6	NO. 1 ECM BRACKET	89667E	-	-	-