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 motor cooling cooler 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) | | |
| 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 inverter with converter assembly | Resolver learning |
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*: When performing learning using the Techstream.
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CAUTION:
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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.
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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. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH
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2. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH
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3. REMOVE NO. 1 ENGINE UNDER COVER
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4. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY
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5. REMOVE FRONT FENDER APRON SEAL LH
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6. REMOVE INVERTER WITH CONVERTER ASSEMBLY
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7. REMOVE NO. 1 INVERTER COOLING HOSE
| (a) Slide the clip and remove the No. 1 inverter cooling hose from the motor cooling cooler. |
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8. DISCONNECT NO. 5 INVERTER COOLING HOSE
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9. REMOVE MOTOR COOLING COOLER
| (a) Remove the oil cooler union bolt and gasket to disconnect the No. 2 motor cooling pipe from the hybrid vehicle transaxle assembly. |
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(b) Remove the bolt and No. 1 oil cooler tube clamp to disconnect the No. 2 motor cooling pipe from the hose bracket.
| (c) Remove the 3 bolts to disconnect the motor cooling cooler from the No. 1 transmission control cable bracket. |
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| (d) Slide the clip and disconnect the No. 1 motor cooling hose from the transaxle housing tube connector. NOTICE: Make sure not to remove the No. 1 motor cooling hose from the motor cooling cooler as the motor cooling cooler may be deformed. |
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10. REMOVE NO. 2 MOTOR COOLING PIPE
| (a) Slide the clip and remove the No. 2 motor cooling pipe from the No. 2 motor cooling hose. NOTICE: Make sure not to remove the No. 2 motor cooling hose from the motor cooling cooler as the motor cooling cooler may be deformed. |
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READ NEXT:
Shift Lever Knob
ComponentsCOMPONENTS ILLUSTRATION *1 SHIFT LEVER KNOB SUB-ASSEMBLY - - InstallationINSTALLATION PROCEDURE 1. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY (a) Install the shift lever knob su
Adjustment
ADJUSTMENT PROCEDURE 1. SECURE VEHICLE (a) Fully apply the parking brake and chock a wheel. CAUTION:
Make sure to apply the parking brake and chock a wheel before performing this procedure.
If th
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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
Headlight Dimmer Switch Circuit
DESCRIPTION The steering sensor receives the following switch information:
Light control switch in DRL OFF*1, off*2, tail, head or AUTO position
Dimmer switch in high, low or high flash (pass) position
*1: w/ DRL OFF Switch
*2: w/o DRL OFF Switch
WIRING DIAGRAM CAUTION / NOTICE / HI
