Lexus RX (RX 350L, RX450h) 2016-2022 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 4WD ECU assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replacement Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Battery terminal is disconnected/reconnected

Memorize steering angle neutral point

Lane Control System

Pre-collision system

Intelligent clearance sonar system*1

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

Parking assist monitor system

Panoramic view monitor system

Initialize back door lock

Power door lock control system

Reset back door close position

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

4WD ECU assembly (When replaced with a known good one from another vehicle)*2

Clear zero point calibration data

Dynamic Torque Control AWD System

*1: When performing learning using the Techstream.

Click here

*2: When the 4WD ECU assembly is replaced with a new one, calibration is unnecessary.

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.

Click here

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

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

Click here

3. REMOVE FRONT DOOR SCUFF PLATE RH

  • w/o Rear No. 2 Seat

    Click here

  • w/ Rear No. 2 Seat

    Click here

4. REMOVE COWL SIDE TRIM BOARD RH

Click here

5. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

Click here

6. REMOVE 4WD ECU ASSEMBLY

(a) Disconnect the 4WD ECU assembly connector.

(b) Remove the bolt and 4WD ECU assembly.

    Installation
    INSTALLATION PROCEDURE 1. PRECAUTION NOTICE: When 4WD ECU assembly is replaced with a known good one from another vehicle, it is necessary to perform calibration. Click here 2. INSTALL 4WD ECU ASSEM ...

    4wd Control Switch
    ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Navigation System: CD/DVD Sound Skips
    CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System. Click here PROCEDURE 1. CHECK DISC (a) Check that the disc ...

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Audio And Visual System (for 12.3 Inch Display): AV Signal Stoppage (Low Battery Voltage) (B158F)
    DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the radio receiver assembly dropping temporarily. DTC No. Detection Item DTC Detection Condition Trouble Area B158F AV Signal Stoppage (Low Battery Voltage) A video or audio si ...

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

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

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