Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: 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 integration relay 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

*1: When performing learning using the Techstream.

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Disconnect cable from negative battery terminal

Memorize steering angle neutral point

Lane Control System

Pre-collision System

Intelligent Clearance Sonar System*1

Parking Assist Monitor System

Panoramic View Monitor System

Lighting System (w/ Automatic Headlight Beam Level Control System)

Initialize back door lock

Power Door Lock Control System

Reset back door close position

Power Back Door System (w/ Outside Door Control Switch)

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.

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2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

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3. DISCONNECT BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY

(a) Disconnect the reservoir level switch connector and remove the bolt from the brake master cylinder reservoir assembly.

Connector

Bolt

Remove in this Direction

(b) Move the brake master cylinder reservoir assembly as shown in the illustration to disengage the 2 claws, and disconnect it.

4. REMOVE RESERVOIR BRACKET

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5. REMOVE NO. 1 RELAY BLOCK COVER

(a) Disengage the claw and 2 guides to remove the No. 1 relay block cover as indicated by the arrows, in the order shown in the illustration.

Remove in this Direction (1)

Remove in this Direction (2)

(b) Disengage the claw and 2 guides to remove the No. 1 relay block cover as indicated by the arrows, in the order shown in the illustration.

Remove in this Direction (1)

Remove in this Direction (2)

6. REMOVE SEMICONDUCTOR POWER INTEGRATION ECU

(a) Disengage the 2 claws.

Remove in this Direction

(b) Pull up the semiconductor power integration ECU as shown in the illustration.

NOTICE:

When pulling the semiconductor power integration ECU, take care not to damage it.

(c) Disconnect the 5 connectors and remove the semiconductor power integration ECU.

NOTICE:

When pulling the semiconductor power integration ECU, take care not to damage it.

    On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT SEMICONDUCTOR POWER INTEGRATION ECU (SIGNAL READING CHECK) NOTICE: Both present and history signal readings will be cleared if the semiconductor power integr ...

    Inspection
    INSPECTION PROCEDURE 1. INSPECT SEMICONDUCTOR POWER INTEGRATION ECU (a) IG2 RELAY: (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connecti ...

    Other materials:

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    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 mobile wireless charger cradle assembly removal/installation are shown below. Necessary Procedures After ...

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    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT TOWING CONVERTER RELAY HINT: Remove interior parts so that the towing converter relay can be seen. (a) Measure the voltage according to the value(s) in the table below. Standard Voltage: Tester Connection Condition Specified Condition 1 (CTLB ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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