REAR UPPER ARM 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 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	Clear zero point calibration data and system information. Perform yaw rate and acceleration sensor zero point calibration and store system information.	VSC disabled or malfunctions DTCs are stored Slip indicator light illuminates ABS warning light illuminates Theft deterrent system (tilt sensor)*1	Click here
Suspension, tires, etc. (The vehicle height changes because of suspension or tire replacement)	Ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Intelligent clearance sonar system LEXUS parking assist-sensor system (w/ Intelligent Clearance Sonar System)	Click here
	Rear television camera assembly optical axis (Back camera position setting)	Parking assist monitor system (w/ Parallel Parking Assist Function)	for Initialization: Click here for Calibration: Click here
	Rear television camera assembly optical axis (Back camera position setting)	Parking assist monitor system (w/o Parallel Parking Assist Function)	for Initialization: Click here for Calibration: Click here
	Parking assist ECU initialization Adjust steering angle	Panoramic view monitor system	for Initialization: Click here for Calibration: Click here
	Initialize headlight ECU sub-assembly LH	Adaptive high beam system Automatic headlight beam level control system	Click here
Rear height control sensor sub-assembly RH	Initialize headlight ECU sub-assembly LH	Adaptive High Beam System Automatic headlight beam level control system	Click here
Gas leak from exhaust system is repaired	Inspection After Repair	Poor idle, etc. Engine start function, etc.	for 8AR-FTS: Click here for 2GR-FKS w/ Canister Pump Module: Click here for 2GR-FKS w/o Canister Pump Module: Click here
Disconnect cable from negative battery terminal	Memorize steering angle neutral point	LKA/LDA System	Click here
		Intelligent clearance sonar system*2
		Pre-crash safety system
		Lighting system (EXT) Cornering lights
		Adaptive high beam system
	Drive the vehicle until stop and start control is permitted (approximately 15 to 60 minutes)	Stop and start system	Click here
	Memorize steering angle neutral point	Parking Assist Monitor System (w/ Parallel Parking Assist Function)	Click here
		Parking Assist Monitor System (w/o Parallel Parking Assist Function)	Click here
		Panoramic view monitor system	Click here
	Initialize back door lock	Power door lock control system	Click here
	Reset back door close position	Power back door system	Click here

*1: w/ TFT Meter Type
*2: When performing learning using the GTS.
Click here Click here

PROCEDURE

REMOVE REAR SUSPENSION MEMBER SUB-ASSEMBLY
- for 2WD: Click here
- for AWD: Click here
REMOVE REAR UPPER CONTROL ARM ASSEMBLY LH
1. Remove the bolt, nut and rear upper control arm assembly LH from the rear suspension member sub-assembly.
  
  Note
  
  Because the nut has its own stopper, do not turn the nut. Loosen the bolt with the nut secured.
REMOVE REAR UPPER CONTROL ARM ASSEMBLY RH

Tech Tips

Perform the same procedure as for the LH side.