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 hybrid vehicle control ECU 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 |
|---|---|---|---|
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*1: When performing learning using the Techstream.
Click here | |||
| Auxiliary battery terminal is disconnected/reconnected | Perform steering sensor zero point calibration | Lane Control System | |
| Pre-collision System | |||
| Parking Support Brake System* | |||
| Lighting System | |||
| Memorize steering angle neutral point | Parking assist monitor system | | |
| Panoramic view monitor system | | ||
| Initialize power trunk lid system | Power Trunk Lid System | | |
| Replacement of hybrid vehicle control ECU | Code registration (Smart access system with push-button start (for Start Function)) |
| |
CAUTION:
Be sure to read Precaution thoroughly before servicing.
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NOTICE:
- After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System)
- After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Navigation System)
PROCEDURE
1. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY
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2. REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY
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3. REMOVE HYBRID VEHICLE CONTROL ECU
| (a) Disconnect the 4 hybrid vehicle control ECU connectors. |
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| (b) Remove the bolt, nut and hybrid vehicle control ECU. |
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Components
COMPONENTS ILLUSTRATION *1 BATTERY SERVICE HOLE COVER *2 SERVICE PLUG GRIP ILLUSTRATION *1 NO. 1 ENGINE COVER SUB-ASSEMBLY *2 INLET AIR CLEANER ASSEMBLY *3 AIR CLEANER ASS
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 inve
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DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU detects a VB sensor malfunction. The cause of this malfunction may be one of the following: Battery voltage sensor VB sensor internal circuit malfunction
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Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: When installing a name plate or emblem, heat the vehicle body and name plate or emblem using a heat light. Heating Temperature Item Temperature Vehicle Body 40 to 60°C (104 to 140°F) Name Plate or Emblem 20 to 30°C (68 to 86°F) CAUT
