Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Removal

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Engine & Hybrid System / 2gr-fks (engine Control) / Camshaft Oil Control Valve (for Bank 1) / 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 gear bolt 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 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 ECM

(If possible, read the transaxle compensation code from the previous ECM)

Perform the following procedures in the order shown:

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

for U881E Registration

for U881E Initialization

for U881F Registration

for U881F Initialization

Replacement of ECM

(If impossible, read the transaxle compensation code from the previous ECM)

Perform the following procedures in the order shown:

  1. Reset transaxle compensation code
  2. Perform road test to allow ECM to learn
  • Air leaks from intake system
  • Gas leak from exhaust system is repaired

Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.

Front wheel alignment adjustment

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

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)

*1: When performing learning using the Techstream.

Click here

PROCEDURE

1. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE

Click here

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

Click here

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

Click here

4. SET NO. 1 CYLINDER TO TDC/COMPRESSION

(a) Turn the crankshaft pulley assembly clockwise until its timing mark (cutout) is aligned with the timing mark on the timing chain cover assembly as shown in the illustration.

*a

Timing Mark

*b

Timing Mark (Cutout)

(b) Check that the cutout of the camshaft timing gear assembly is at the top.

(1) for intake side:

HINT:

If the cutout of the camshaft timing gear assembly (for intake side) is not at the top, turn the crankshaft 360° clockwise and align the timing mark (cutout) of the crankshaft pulley with the timing mark on the timing chain cover assembly again.

*a

Correct

*b

Incorrect

*c

Cutout

*d

Up

(2) for exhaust side:

HINT:

If the cutout of the camshaft timing gear assembly (for exhaust side) is not at the top, turn the crankshaft 360° clockwise and align the timing mark (cutout) of the crankshaft pulley with the timing mark on the timing chain cover assembly again.

*a

Correct

*b

Incorrect

*c

Cutout

*d

Up

5. REMOVE CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 1)

(a) While holding the crankshaft pulley, remove the camshaft timing gear bolt.

NOTICE:

  • If the camshaft timing gear bolt has been struck or dropped, replace it.
  • Do not turn the crankshaft pulley after removing the camshaft timing gear bolt.

6. REMOVE CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 1)

(a) While holding the crankshaft pulley, remove the camshaft timing gear bolt.

NOTICE:

  • If the camshaft timing gear bolt has been struck or dropped, replace it.
  • Do not turn the crankshaft pulley after removing the camshaft timing gear bolt.
    Installation
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    Camshaft Oil Control Valve (for Bank 2)
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