Caution / Notice / Hint

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during rear upper control arm assembly 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
Rear wheel alignment adjustment	Perform "Calibration"	DTCs are stored ABS warning light illuminates Brake system warning light (yellow indicator) illuminates Slip indicator light illuminates Electronically controlled brake system disabled or malfunctions	Refer to RESET MEMORY / CALIBRATION [12/2022 - ]
Tires	Initialization12 Tire Position Identification12	Tire Pressure Warning System	Refer to Procedures Necessary When Replacing Parts (for Tire Pressure Warning System) Refer to WORK PROCEDURE [12/2022 - 03/2023]
	Rear television camera assembly optical axis (Back camera position setting)*3	Parking Assist Monitor System	Refer to CALIBRATION [12/2022 - ]
	Parking assist ECU initialization*3	Panoramic View Monitor System	Refer to CALIBRATION [12/2022 - ]
	Parking assist ECU initialization*3	Advanced Park	Refer to CALIBRATION [12/2022 - ]
Suspension parts	Rear television camera assembly optical axis (Back camera position setting)	Parking Assist Monitor System	Refer to CALIBRATION [12/2022 - ]
	Parking assist ECU initialization	Panoramic View Monitor System	Refer to CALIBRATION [12/2022 - ]
	Parking assist ECU initialization	Advanced Park	Refer to CALIBRATION [12/2022 - ]
Gas leak from exhaust system is repaired	Inspection after repair	Poor idle, etc. Engine start function, etc.	for M20A-FXS: Refer to INITIALIZATION [12/2022 - 03/2023]

*1: Also necessary after performing a tire rotation.*2: It is not necessary to perform this procedure if the tire pressure warning valve and transmitters are installed to the same location.*3: The vehicle height changes because of suspension or tire replacement.

WARNING:

Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair information. (for AWD)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Refer to PRECAUTION [12/2022 - ]

To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system. (for AWD)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

for AWD

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 35 km/h (22 mph) or more for 5 seconds or more.	Refer to INITIALIZATION [12/2022 - ]

LEARNING COMPLETES WHEN VEHICLE IS OPERATED 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: Rear Upper Arm Removal Components [12/2022 - 03/2023]

Callout - Procedure		Part Name Code
1	REAR SUSPENSION MEMBER SUB-ASSEMBLY	51206A	-	-	-
2	REAR UPPER CONTROL ARM ASSEMBLY LH	48790	See step 2	-	-
3	REAR UPPER CONTROL ARM ASSEMBLY RH	48770A	-	-	-