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) |
|
| for Initialization: for Registration: |
| Replacement of ECM (If transaxle compensation code not read from ECM) |
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| Replacement of ECM | Code registration (Smart access system with push-button start (for Start Function, Gasoline Model) |
| |
| 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 | |
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*1: When performing learning using the Techstream.
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- *2: Not necessary when ECM replaced with new one.
PROCEDURE
1. REMOVE BATTERY
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2. REMOVE ECM
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3. REMOVE BATTERY CLAMP SUB-ASSEMBLY
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4. REMOVE FRONT WHEEL LH
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5. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH
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6. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH
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7. REMOVE NO. 1 ENGINE UNDER COVER
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8. REMOVE NO. 3 ENGINE UNDER COVER
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9. REMOVE FRONT FENDER APRON SEAL LH
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10. DRAIN ENGINE COOLANT
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11. DRAIN AUTOMATIC TRANSAXLE FLUID
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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. |
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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. |
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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. |
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| (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. |
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| (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. |
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| (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. |
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15. DISCONNECT NO. 1 WATER BY-PASS HOSE
| (a) Disengage the 3 clamps to remove the transmission breather clamp. |
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| (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. |
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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. |
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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. |
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READ NEXT:
Components
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Disassembly
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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for H
Inspection
INSPECTION PROCEDURE 1. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR) (a) Connect a positive (+) lead from the auxiliary battery to connector terminal 2. NOTICE: Do not connect a positive (+) lead from the auxiliary battery to any terminal other than terminal 2 to avoid damagin
