Lexus ES: Removal

Lexus ES (XZ10) Service Manual / Drivetrain / P710 (hybrid Transmission / Transaxle) / Hybrid Vehicle Transaxle / 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 hybrid vehicle transaxle assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Auxiliary battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane Control System (for HV Model)
		Pre-collision System (for HV Model)
		Parking Support Brake System (for HV Model)*
		Lighting System (for HV Model)
	Memorize steering angle neutral point	Parking Assist Monitor System (for HV Model)
	Memorize steering angle neutral point	Panoramic View Monitor System (for HV Model)
	Initialize power trunk lid system	Power Trunk Lid System (for HV Model)
Replacement of ECM	Perform Vehicle Identification Number (VIN) registration	MIL illuminates
Replacement of engine assembly Gas leak from exhaust system is repaired Replacement of engine coolant temperature sensor	Inspection After Repair	Poor idle, etc. Engine start function, etc.
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
Replacement of hybrid vehicle transaxle assembly	Resolver learning Initialize resolver
Front 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
Suspension, tires, etc.*1 Replacement of front bumper assembly	Measurement of ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Parking Support Alert System (for HV Model) Parking Support Brake System (for HV Model)
Suspension, tires, etc.*1	Rear television camera assembly optical axis (Back camera position setting)	Parking Assist Monitor System (for HV Model)	for Initialization for Calibration
Replacement of front bumper assembly	Front television camera view adjustment	Panoramic View Monitor System (for HV Model)	for Initialization for Calibration
Suspension, tires, etc.*1	Parking assist ECU initialization Adjust steering angle Rear television camera assembly optical axis (Back camera position setting)	Panoramic View Monitor System (for HV Model)	for Initialization for Calibration
Replacement of headlight ECU sub-assembly LH	Synchronize the vehicle information Perform headlight ECU sub-assembly LH initialization*2	Lighting system (for HV Model)
Suspension, tires, etc.*1	Perform headlight ECU sub-assembly LH initialization*2	Lighting system (for HV Model)

*: When performing learning using the Techstream.
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*1: If the vehicle height has changed due to suspension or tire replacement.
*2: for LED type turn signal light

CAUTION:

Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.
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To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.
To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
The engine assembly with transaxle is very heavy. Be sure to follow the procedure described in the repair manual, or the engine lifter may suddenly drop or the engine assembly with transaxle may fall off the engine lifter.

*a

An Object Exceeding Weight Limit of Engine Lifter
The hybrid vehicle transaxle assembly is very heavy. Be sure to follow the procedure described in the repair manual, or the transmission jack may suddenly drop or a part may fall.

*a

Object Exceeding Weight Limit of Transmission Jack

NOTICE:

After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System)
After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)

PROCEDURE

1. PERFORM RESOLVER INITIALIZATION

NOTICE:

If it is necessary to replace the hybrid vehicle transaxle assembly, make sure to perform resolver initialization before starting work.

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2. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE

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3. REMOVE FUEL DELIVERY GUARD

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4. INSTALL ENGINE HANGERS

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5. REMOVE STEERING GEAR HEAT INSULATOR

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6. DISCONNECT ENGINE WIRE

(a) Remove the 2 bolts.

(b) Disengage the 5 clamps.

HINT:

Release the lock before rotating the lock lever.

(d) Remove the 2 bolts and separate the wire harness from the rack and pinion power steering gear assembly.

7. DISCONNECT HV AIR CONDITIONING WIRE

(a) Remove the bolt.

(b) Disengage the guide to disconnect the HV air conditioning wire from the hybrid vehicle transaxle assembly.

8. REMOVE STARTER HOLE INSULATOR

(a) Remove the 2 bolts and starter hole insulator from the engine assembly.

9. REMOVE FLYWHEEL HOUSING SIDE COVER

(a) Remove the flywheel housing side cover from the engine assembly.

10. REMOVE FRONT FRAME ASSEMBLY

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11. REMOVE FRONT ENGINE MOUNTING INSULATOR

(a) Remove the bolt and front engine mounting insulator from the front engine mounting bracket.

12. REMOVE FRONT ENGINE MOUNTING BRACKET

(a) Remove the 3 bolts and front engine mounting bracket from the hybrid vehicle transaxle assembly.

13. REMOVE REAR ENGINE MOUNTING INSULATOR

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14. REMOVE REAR ENGINE MOUNTING BRACKET

(a) Remove the 4 bolts and rear engine mounting bracket from the hybrid vehicle transaxle assembly.

15. REMOVE HYBRID VEHICLE TRANSAXLE ASSEMBLY

(a) Remove the 8 bolts and hybrid vehicle transaxle assembly from the engine assembly.

NOTICE:

To avoid damaging the knock pins, do not pry between the hybrid vehicle transaxle assembly and engine assembly.
To prevent the splines of the transmission input damper assembly from becoming misaligned, do not allow the hybrid vehicle transaxle assembly to hit the transmission input damper assembly during hybrid vehicle transaxle assembly removal and installation.

16. REMOVE MOTOR CABLE

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17. REMOVE MOTOR COOLING COOLER

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18. REMOVE NO. 1 TRANSMISSION CONTROL CABLE BRACKET

(a) Remove the 2 bolts and No. 1 transmission control cable bracket from the hybrid vehicle transaxle assembly.

19. REMOVE HOSE BRACKET

(a) Remove the 2 bolts and hose bracket from the hybrid vehicle transaxle assembly.

20. REMOVE TRANSMISSION WIRE

(a) Disconnect the connector.

(b) Remove the bolt and transmission wire from the hybrid vehicle transaxle assembly.

21. REMOVE WIRE HARNESS CLAMP BRACKET

(a) Remove the 4 bolts and 4 wire harness clamp brackets from the hybrid vehicle transaxle assembly.

22. REMOVE TRANSAXLE HOUSING PLUG

(a) Remove the transaxle housing plug and gasket from the hybrid vehicle transaxle assembly.

23. REMOVE STUD BOLT

(a) Using a E8 "TORX" socket wrench, remove the 2 stud bolts from the hybrid vehicle transaxle assembly.

24. REMOVE AUTOMATIC TRANSMISSION CASE COVER

(a) Remove the 2 bolts.

(b) Remove the clip and automatic transmission case cover from the hybrid vehicle transaxle assembly.

SEE MORE:

Components

COMPONENTS ILLUSTRATION *1 FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf) N*m (kgf*cm, ft.*lbf): Specified torque *T1 Bolt color black: 8.0

Definition Of Terms

DEFINITION OF TERMS Term Definition Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details). Related DTCs Group of diagnostic trouble codes that are output by the ECM based on the same malfunction detection logic.

Lexus ES: Removal

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Definition Of Terms