Lexus RX (RX 350L, RX450h) 2016-2024 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 1 / Data List / Intake VVT Change Angle Bank 1.

Powertrain > Engine > Active Test

Active Test Display

Control the Intake VVT OCV Duty Ratio Bank 1

Data List Display

Intake VVT Change Angle Bank 1

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

OK:

Techstream Operation

Data List(Intake VVT Change Angle Bank 1)

-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 1 / Data List / Exhaust VVT Change Angle Bank 1.

Powertrain > Engine > Active Test

Active Test Display

Control the Exhaust VVT OCV Duty Ratio Bank 1

Data List Display

Exhaust VVT Change Angle Bank 1

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

OK:

Techstream Operation

Data List (Exhaust VVT Change Angle Bank 1)

-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 CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 1) *2 CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1) *3 O- ...

    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:

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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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