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 HV battery junction block assembly 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

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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

CAUTION:

  • 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.

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 SERVICE PLUG GRIP

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2. DISCONNECT ENGINE ROOM MAIN WIRE

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3. REMOVE CONNECTOR COVER ASSEMBLY

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4. CHECK TERMINAL VOLTAGE

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5. INSTALL CONNECTOR COVER ASSEMBLY

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6. CONNECT ENGINE ROOM MAIN WIRE

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7. REMOVE NO. 2 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY

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8. REMOVE REAR DOOR SCUFF PLATE LH

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9. REMOVE REAR UNDER SIDE COVER LH

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10. REMOVE REAR DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

11. REMOVE REAR UNDER SIDE COVER RH

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12. REMOVE REAR UNDER COVER

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13. REMOVE REAR SEAT CUSHION LEG SUB-ASSEMBLY

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14. REMOVE NO. 1 HV BATTERY COVER PANEL RH

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15. DISCONNECT HV FLOOR UNDER WIRE

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16. DISCONNECT FLOOR WIRE

CAUTION:

Be sure to wear insulated gloves.

(a) Disengage the clamp.

(b) Disconnect the electric vehicle battery plug assembly connector.

(c) Disconnect the HV battery junction block assembly connector.

(d) Disengage the 2 clamps to disconnect the floor wire.

17. REMOVE NO. 1 HYBRID BATTERY EXHAUST DUCT

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18. REMOVE UPPER HV BATTERY COVER SUB-ASSEMBLY

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19. REMOVE HV BATTERY JUNCTION BLOCK ASSEMBLY

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Remove the bolt and disconnect the electric vehicle battery plug assembly.

(b) Disconnect the HV battery junction block assembly connector.

NOTICE:

Insulate the disconnected connectors with insulating tape.

(c) Disengage the clamp.

(d) Disengage the 2 claws and open the wiring harness protector.

(e) Disconnect the HV battery junction block assembly connector.

NOTICE:

Insulate the disconnected connectors with insulating tape.

(f) Using a screwdriver with its tip wrapped with protective tape, disengage the 2 claws and remove the wiring harness protector.

*a

Protective Tape

(g) Disconnect the HV battery junction block assembly connector.

(h) Remove the 4 nuts and HV battery junction block assembly from the HV battery.

NOTICE:

If the HV battery junction block assembly has been struck or dropped, replace it with a new one.

READ NEXT:

 Inspection

INSPECTION PROCEDURE 1. INSPECT HV BATTERY JUNCTION BLOCK ASSEMBLY (a) Inspect SMRB: (1) Measure the resistance according to the value(s) in the table below. *a Component without harness connect

 Installation

INSTALLATION PROCEDURE 1. INSTALL HV BATTERY JUNCTION BLOCK ASSEMBLY CAUTION: Be sure to wear insulated gloves and protective goggles. (a) Install the HV battery junction block assembly to the HV batt

 Hv Relay Assembly (for Lithium-ion Battery)

SEE MORE:

 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 ASSEMBLY WITH AIR CLEANER HOSE *4 COOL AIR INTAKE DUCT SEAL *5 NO. 1 ENGINE UNDER COVER -

 Fail-safe Chart

FAIL-SAFE CHART If any of the following DTCs are stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily or stops fuel injection. DTC Code Component Fail-Safe Operation Fail-Safe Deactivation Condition P001100 P001107 P001500 P002100 P002107 P002500 VVT sys

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