Lexus ES manuals

Lexus ES: 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 transmission oil cooler 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

Battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Control System (for Gasoline Model)

Pre-collision System (for Gasoline Model)

Parking Support Brake System (for Gasoline Model)*1

Lighting System (for Gasoline Model)

Memorize steering angle neutral point

Parking Assist Monitor System (for Gasoline Model)

Panoramic View Monitor System (for Gasoline Model)

Initialize power trunk lid system

Power Trunk Lid System (for Gasoline Model)

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

ECU communication ID registration (Immobiliser system)

Engine start function

Replacement of ECM

(If transaxle compensation code read from ECM)

  • Perform reset memory*2
  • Transfer transaxle compensation code
  • Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

for Initialization:

for Registration:

Replacement of ECM

(If transaxle compensation code not read from ECM)

  • Perform reset memory*2
  • Reset transaxle compensation code
  • Perform road test to allow ECM to learn

Replacement of ECM

Code registration (Smart access system with push-button start (for Start Function, Gasoline Model)

  • Wireless Door Lock Control System
  • Smart Access System with Push-button Start (for Entry Function, Gasoline Model)
  • Smart Access System with Push-button Start (for Start Function, Gasoline Model)
  • Steering lock function
  • Telematics System

Replacement of automatic transaxle fluid

ATF thermal degradation estimate reset

The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly

  • *1: When performing learning using the Techstream.

    Click here

  • *2: Not necessary when ECM replaced with new one.

PROCEDURE

1. REMOVE BATTERY

Click here

2. REMOVE ECM

Click here

3. REMOVE BATTERY CLAMP SUB-ASSEMBLY

Click here

4. REMOVE FRONT WHEEL LH

Click here

5. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH

Click here

6. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH

Click here

7. REMOVE NO. 1 ENGINE UNDER COVER

Click here

8. REMOVE NO. 3 ENGINE UNDER COVER

Click here

9. REMOVE FRONT FENDER APRON SEAL LH

Click here

10. DRAIN ENGINE COOLANT

Click here

11. DRAIN AUTOMATIC TRANSAXLE FLUID

Click here

12. DISCONNECT OUTLET NO. 1 OIL COOLER HOSE

(a) Slide the clip and disconnect the outlet No. 1 oil cooler hose from the oil cooler union sub-assembly.

HINT:

Use a container to catch any automatic transaxle fluid which flows out of the outlet No. 1 oil cooler hose and oil cooler union sub-assembly.

13. DISCONNECT INLET NO. 1 OIL COOLER HOSE

(a) Slide the clip and disconnect the inlet No. 1 oil cooler hose from the No. 1 oil cooler outlet tube sub-assembly.

HINT:

Use a container to catch any automatic transaxle fluid which flows out of the inlet No. 1 oil cooler hose and No. 1 oil cooler outlet tube sub-assembly.

14. REMOVE NO. 1 OIL COOLER TUBE SUB-ASSEMBLY WITHOUT HOSE

(a) Remove the 2 bolts to disconnect the No. 1 oil cooler tube sub-assembly without hose from the automatic transaxle case sub-assembly.

(b) Slide the clip and disconnect the inlet No. 2 oil cooler hose from the transmission oil cooler.

HINT:

Use a container to catch any automatic transaxle fluid which flows out of the inlet No. 2 oil cooler hose and transmission oil cooler.

(c) Slide the clip and disconnect the outlet No. 2 oil cooler hose to remove the No. 1 oil cooler tube sub-assembly without hose from the transmission oil cooler.

HINT:

Use a container to catch any automatic transaxle fluid which flows out of the outlet No. 2 oil cooler hose and transmission oil cooler.

(d) Slide the 4 clips and remove the inlet No. 1 oil cooler hose, inlet No. 2 oil cooler hose, outlet No. 1 oil cooler hose and outlet No. 2 oil cooler hose from the No. 1 oil cooler tube sub-assembly without hose.

*1

No. 1 Oil Cooler Tube Sub-assembly without Hose

*2

Inlet No. 1 Oil Cooler Hose

*3

Inlet No. 2 Oil Cooler Hose

*4

Outlet No. 1 Oil Cooler Hose

*5

Outlet No. 2 Oil Cooler Hose

15. DISCONNECT NO. 1 WATER BY-PASS HOSE

(a) Disengage the 3 clamps to remove the transmission breather clamp.

(b) Slide the clip and disconnect the No. 1 water by-pass hose from the transmission oil cooler.

HINT:

Use a container to catch any coolant which flows out of the No. 1 water by-pass hose and transmission oil cooler.

16. DISCONNECT WATER BY-PASS HOSE ASSEMBLY

(a) Slide the clip and disconnect the water by-pass hose assembly from the transmission oil cooler.

HINT:

Use a container to catch any coolant which flows out of the water by-pass hose assembly and transmission oil cooler.

17. REMOVE TRANSMISSION OIL COOLER

(a) Remove the 3 bolts and transmission oil cooler from the automatic transaxle case sub-assembly.

HINT:

Use a container to catch any coolant and automatic transaxle fluid which flow out of the transmission oil cooler.

READ NEXT:

 Oil Pump

 Components

COMPONENTS ILLUSTRATION *1 CLUTCH DRUM OIL SEAL RING *2 FRONT OIL PUMP BODY *3 FRONT OIL PUMP DRIVE GEAR *4 FRONT OIL PUMP DRIVEN GEAR *5 OIL STRAINER ASSEMBLY *6 RING PI

 Disassembly

DISASSEMBLY PROCEDURE 1. REMOVE CLUTCH DRUM OIL SEAL RING (a) Remove the 4 clutch drum oil seal rings from the stator shaft assembly. 2. REMOVE OIL STRAINER ASSEMBLY (a) Using a T30

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