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 transmission valve body 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

*1: When performing learning using the Techstream.

Click here

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)

Front wheel alignment adjustment

Calibration

  • VSC disabled or malfunctions
  • DTCs are stored
  • Slip indicator light illuminates
  • ABS warning light illuminates

Suspension, tires, etc.

(The vehicle height changes because of suspension or tire replacement)

  • Ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent clearance sonar system
  • Intuitive parking assist system (w/ Intelligent Clearance Sonar System)

Rear television camera assembly optical axis (Back camera position setting)

Parking Assist Monitor System

for Initialization

for Calibration

  • Parking assist ECU initialization
  • Adjust steering angle

Panoramic View Monitor System

for Initialization

for Calibration

Initialize No. 1 headlight ECU sub-assembly LH

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

Gas leak from exhaust system is repaired

Inspection After Repair

  • Poor idle, etc.
  • Engine start function, etc.

Replacement of

  • Valve body assembly
  • Shift solenoid valve SL3, SL4 and/or SL5

Perform the following procedures in the order shown:

  1. Reset Transaxle Compensation Code
  2. Perform Road Test to Allow ECM to Learn
  • Large shift shock
  • Deterioration of fuel efficiency

for Initialization

for Registration

Replacement of shift solenoid valve SL1 and/or SL2

Perform Road Test to Allow ECM to Learn

PROCEDURE

1. REMOVE FRONT WHEEL LH

Click here

2. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH

Click here

3. REMOVE NO. 3 ENGINE UNDER COVER

Click here

4. REMOVE FRONT FENDER APRON SEAL LH

Click here

5. DRAIN AUTOMATIC TRANSAXLE FLUID

Click here

6. REMOVE FRONT FRAME ASSEMBLY

Click here

7. REMOVE FRONT ENGINE MOUNTING INSULATOR

Click here

8. DISCONNECT NO. 1 TRANSMISSION OIL COOLER HOSE ASSEMBLY

(a) Slide the 2 clips and disconnect the 2 No. 1 transmission oil cooler hose assemblies.

9. REMOVE OUTLET NO. 1 OIL COOLER TUBE SUB-ASSEMBLY

(a) Remove the 2 bolts and outlet No. 1 oil cooler tube sub-assembly from the transaxle housing.

(b) Remove the O-ring from the outlet No. 1 oil cooler tube sub-assembly.

10. REMOVE INLET NO. 1 OIL COOLER TUBE SUB-ASSEMBLY

(a) Remove the 2 bolts and inlet No. 1 oil cooler tube sub-assembly from the transaxle housing.

(b) Remove the O-ring from the inlet No. 1 oil cooler tube sub-assembly.

11. REMOVE TRANSAXLE SIDE COVER SUB-ASSEMBLY

(a) Using a T40 "TORX" socket wrench, remove the 13 bolts.

(b) Insert the blade of an oil pan seal cutter between the transaxle side cover sub-assembly and automatic transaxle case sub-assembly, cut through the applied seal packing and remove the transaxle side cover sub-assembly.

NOTICE:

Be careful not to damage the sealing surface of the automatic transaxle case sub-assembly.

12. REMOVE TRANSMISSION VALVE BODY ASSEMBLY

(a) Disconnect the transmission revolution sensor (NT) connector and transmission revolution sensor (NC) connector.

*a

Transmission Revolution Sensor (NT) Connector

*b

Transmission Revolution Sensor (NC) Connector

(b) Disconnect the 9 shift solenoid valve connectors.

(c) Remove the bolt and temperature sensor clamp, and disconnect the temperature sensor from the transmission valve body assembly.

(d) Disengage the clamp and guide to disconnect the transmission revolution sensor (NC) wire.

*a

Clamp

*b

Guide

(e) Remove the 8 bolts.

(f) Separate the manual valve connecting rod from the manual valve lever sub-assembly.

(g) Remove the transmission valve body assembly from the automatic transaxle case sub-assembly.

    Inspection
    INSPECTION PROCEDURE 1. INSPECT SHIFT SOLENOID VALVE S1 (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified C ...

    Reassembly
    REASSEMBLY PROCEDURE 1. INSTALL SHIFT SOLENOID VALVE SLT (a) Coat the shift solenoid valve SLT with ATF and install it to the transmission valve body assembly. (b) Install the straight ...

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

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

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