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 brake booster assembly removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model:)| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
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*: When performing learning using the Techstream.
Click here | |||
| 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 | | |
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)
CAUTION / NOTICE / HINT
NOTICE:
Make sure to release vacuum from the brake booster assembly before removing the brake master cylinder sub-assembly from the brake booster assembly.
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
2. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY
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3. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
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4. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY
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5. REMOVE FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY
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6. REMOVE AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE
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7. REMOVE BATTERY CLAMP SUB-ASSEMBLY
| (a) Disengage the 5 clamps from the battery clamp sub-assembly. |
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(b) Remove the 3 bolts, nut and battery clamp sub-assembly.
8. DISCONNECT UNION TO CHECK VALVE HOSE
| (a) Slide the clip and disconnect the union to check valve hose from the brake booster assembly. |
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9. LOOSEN LOCK NUT
| (a) Loosen the lock nut of the brake master cylinder push rod clevis. |
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10. REMOVE BRAKE PEDAL LINK PIN
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11. REMOVE BRAKE BOOSTER ASSEMBLY
| (a) Disconnect the connector from the vacuum warning switch assembly. |
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| (b) Remove the 4 nuts and push the brake booster assembly toward the engine compartment. NOTICE: Do not apply excessive force to the brake lines. |
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(c) Remove the brake master cylinder push rod clevis and lock nut from the brake booster assembly.
(d) Remove the brake booster assembly from the vehicle body.
NOTICE:
Do not apply excessive force to the brake lines.
12. REMOVE BRAKE BOOSTER GASKET
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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"
Installation
INSTALLATION PROCEDURE 1. INSTALL BRAKE MASTER CYLINDER GASKET (a) Install a new brake master cylinder gasket to the brake booster with master cylinder assembly. 2. INSTALL BRAKE BOOSTER WITH MASTER C
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Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE KICK DOOR CONTROL SENSOR WITH BRACKET (w/ Hands Free Power Trunk Lid) Click here 2. REMOVE REAR CENTER ULTRASONIC SENSOR (w/ Parking Support Alert System) Click here HINT: Use the same procedure for the RH side and LH side. 3. REMOVE REAR CORNER ULTRASONIC SENSOR
Pattern Select Switch EV Mode Circuit
DESCRIPTION The EV drive mode signal will be sent to the hybrid vehicle control ECU when the EV drive mode switch (NO. 3 combination switch assembly) is operated. If the specified conditions are met, the system enters EV drive mode and the vehicle will be driven using EV drive mode. This signal is t
