Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: 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 camshaft timing oil control solenoid assembly (for intake side).

(1) Enter the following menus: Powertrain / Engine / Active Test / Control the Intake VVT OCV Duty Ratio Bank 2 / Data List / Intake VVT Change Angle Bank 2.

Powertrain > Engine > Active Test

Active Test Display

Control the Intake VVT OCV Duty Ratio Bank 2

Data List Display

Intake VVT Change Angle Bank 2

(2) Read the Data List while performing the Active Test with the engine idling.

OK:

Techstream Operation

Data List(Intake VVT Change Angle Bank 2)

-100% to 100%

Varies by 70 DegFR or more

If the result is not as specified, check the camshaft timing oil control solenoid assembly, wire harness and ECM.

(e) Inspect the camshaft timing oil control solenoid assembly (for exhaust side).

(1) Enter the following menus: Powertrain / Engine / Active Test / Control the Exhaust VVT OCV Duty Ratio Bank 2 / Data List / Exhaust VVT Change Angle Bank 2.

Powertrain > Engine > Active Test

Active Test Display

Control the Exhaust VVT OCV Duty Ratio Bank 2

Data List Display

Exhaust VVT Change Angle Bank 2

(2) Read the Data List while performing the Active Test with the engine idling.

OK:

Techstream Operation

Data List (Exhaust VVT Change Angle Bank 2)

-100% to 100%

Varies by 70 DegFR or more

If the result is not as specified, check the camshaft timing oil control solenoid assembly, wire harness and ECM.

    Components
    COMPONENTS ILLUSTRATION *1 OUTER COWL TOP PANEL SUB-ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *A for TMC Made *B for TMMC Made *1 NO ...

    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 cams ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Air Conditioning System: Precaution
    PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System Intelligent Clear ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Intelligent Clearance Sonar System: Rr Sensor Initialization Incomplete (C1AF4)
    DESCRIPTION When it is judged that the rear sensors have not been initialized, the clearance warning ECU assembly stores DTC C1AF4. DTC No. Detection Item DTC Detection Condition Trouble Area C1AF4 Rr Sensor Initialization Incomplete Rear sensor not initialized Initialize rear ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0135