Lexus ES: Removal

Lexus ES (XZ10) Service Manual / Suspension / Rear Suspension / Rear Upper Arm / Removal

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 (for HV Model:)

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
*1: for LED type turn signal light
Suspension, tires, etc. (The vehicle height changes because of suspension or tire replacement.)	Measure ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Parking Support Alert System Parking Support Brake System
	Rear television camera assembly optical axis adjustment (Back camera position setting)	Parking Assist Monitor System	for Initialization for Calibration
	Parking assist ECU initialization Adjust steering angle Rear television camera assembly optical axis (Back camera position setting)	Panoramic View Monitor System	for Initialization for Calibration
	Perform headlight ECU sub-assembly LH initialization*1	Lighting System
Rear height control sensor sub-assembly LH	Perform headlight ECU sub-assembly LH initialization*1	Lighting System
Rear wheel alignment adjustment	Clear zero point calibration data Perform yaw rate and acceleration sensor zero point calibration	DTCs are stored ABS warning light illuminates Brake warning light / yellow (minor malfunction) illuminates Slip indicator light illuminates VSC disabled or malfunctions
Gas leak from exhaust system is repaired	Inspection After Repair	Poor idle, etc. Engine start function, etc.

Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model:)

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
*1: for LED type turn signal light
Suspension, tires, etc. (The vehicle height changes because of suspension or tire replacement.)	Measure ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Parking Support Alert System Parking Support Brake System
	Rear television camera assembly optical axis adjustment (Back camera position setting)	Parking Assist Monitor System	for Initialization for Calibration
	Parking assist ECU initialization Adjust steering angle Rear television camera assembly optical axis (Back camera position setting)	Panoramic View Monitor System	for Initialization for Calibration
	Perform headlight ECU sub-assembly LH initialization*1	Lighting System
Rear height control sensor sub-assembly LH	Perform headlight ECU sub-assembly LH initialization*1	Lighting System
Rear wheel alignment adjustment	Perform "Reset Memory" Perform acceleration sensor zero point calibration and store system information memorization	VSC is disabled or malfunctions DTCs are output Slip indicator light illuminates ABS warning light illuminates
Gas leak from exhaust system is repaired	Inspection After Repair	Poor idle, etc. Engine start function, etc.

CAUTION:

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

PROCEDURE

1. REMOVE REAR SUSPENSION MEMBER SUB-ASSEMBLY

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2. REMOVE REAR UPPER CONTROL ARM ASSEMBLY LH

(a) Remove the bolt, nut and rear upper control arm assembly LH from the rear suspension member sub-assembly.

NOTICE:

Because the nut has its own stopper, do not turn the nut. Loosen the bolt with the nut secured.

3. REMOVE REAR UPPER CONTROL ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

SEE MORE:

On-vehicle Inspection

ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Do not remove the radiator cap sub-assembly while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns. PROCEDURE 1. CHECK RADIATOR CAP SUB-ASSEMBLY CAUTION: Do not re

ACIS Control Circuit

DESCRIPTION ACIS (Acoustic Control Induction System) controls the opening and closing the intake air control valve sub-assembly built into the intake air surge tank assembly to increase the intake efficiency according to the engine load. When the engine speed is between 0 and 4300 rpm and the thrott

Lexus ES: Removal

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On-vehicle Inspection

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