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 camshaft timing oil control solenoid 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

Link

Battery terminal is disconnected/reconnected

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)

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

ECU communication ID registration (Immobiliser system)

Engine start function

Perform the following procedures in the order shown (If possible, read the transaxle compensation code from the previous ECM):

  1. Transfer transaxle compensation code
  2. Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

for U881E Initialization

U881E Registration

U881F Initialization

U881F Registration

Perform the following procedures in the order shown (If impossible, read the transaxle compensation code from the previous ECM):

  1. Reset transaxle compensation code
  2. Perform road test to allow ECM to learn

Perform code registration (Immobiliser system)

  • Wireless door lock control system
  • Smart access system with push-button start
  • Engine start function
  • Steering lock system
  • Telematics system

  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly

Inspection after repair

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

Replacement of brake actuator assembly

Operate the electric parking brake switch assembly

Parking brake indicator light (red) blinks when the engine switch is first turned on (IG)

Perform yaw rate and acceleration sensor zero point calibration and store system information.

  • VSC disabled or malfunctioning
  • DTCs are output
  • Slip indicator light illuminated
  • ABS warning light illuminated

*1: When performing learning using the Techstream.

Click here

PROCEDURE

1. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 2)

(a) Disconnect the camshaft timing oil control solenoid assembly connector.

(b) Remove the 2 bolts and camshaft timing oil control solenoid assembly from the timing chain cover assembly.

NOTICE:

If the camshaft timing oil control solenoid assembly has been struck or dropped, replace it.

(c) Remove the O-ring from the camshaft timing oil control solenoid assembly.

NOTICE:

  • If the O-ring comes off in the timing chain cover assembly, make sure to remove it.
  • Do not drop the O-ring into the timing chain cover assembly.

2. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

Click here

3. REMOVE NO. 2 ENGINE UNDER COVER

Click here

4. REMOVE ECM

Click here

5. REMOVE INTAKE AIR SURGE TANK ASSEMBLY

Click here

6. REMOVE INLET AIR CLEANER ASSEMBLY

Click here

7. REMOVE BATTERY

for 2WD: Click here

for AWD: Click here

8. REMOVE BATTERY CARRIER SUB-ASSEMBLY

for 2WD: Click here

for AWD: Click here

9. REMOVE BATTERY BRACKET REINFORCEMENT

for 2WD: Click here

for AWD: Click here

10. REMOVE FUEL PUMP PROTECTOR

Click here

11. REMOVE WIRE HARNESS CLAMP BRACKET

for 2WD: Click here

for AWD: Click here

12. REMOVE BRAKE ACTUATOR ASSEMBLY

Click here

13. DISCONNECT NO. 1 RADIATOR HOSE

Click here

14. INSTALL ENGINE SUPPORT BRIDGE

for 2WD: Click here

for AWD: Click here

15. REMOVE NO. 2 ENGINE MOUNTING STAY RH

Click here

16. REMOVE ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH

Click here

17. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 2)

(a) Disconnect the camshaft timing oil control solenoid assembly connector.

(b) Remove the 2 bolts and camshaft timing oil control solenoid assembly from the timing chain cover assembly.

NOTICE:

If the camshaft timing oil control solenoid assembly has been struck or dropped, replace it.

(c) Remove the O-ring from the camshaft timing oil control solenoid assembly.

NOTICE:

  • If the O-ring comes off in the timing chain cover assembly, make sure to remove it.
  • Do not drop the O-ring into the timing chain cover assembly.
    On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (a) Connect the Techstream to the DLC3. (b) Start the engine. (c) Turn the Techstream on. (d) Inspect the camsh ...

    Inspection
    INSPECTION PROCEDURE 1. INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY HINT: Use the same procedure for the intake side and exhaust side. (a) Check the resistance. (1) Measure the resistance ...

    Other materials:

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    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Headup Display System: Freeze Frame Data
    FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever a meter DTC is detected, the headup display (meter mirror sub-assembly) stores the current vehicle state as freeze frame data. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream ...

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

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

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