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Home >> Lexus >> 2021 >> LS 500h AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> CAMSHAFT OIL CONTROL SOLENOID (for Bank 2) >> On-Vehicle Inspection [10/2017 - ] >> Procedure

On-Vehicle Inspection [10/2017 - ]: Procedure

  1. INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Put the engine in inspection mode (2WD for measuring exhaust gas).

      Refer to INSPECTION MODE PROCEDURE [10/2017 - ]

    5. Start the engine.
    6. 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 (VVT Change Angle #2)
        -100% to 100% Varies by 55 DegFR or more

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

    7. 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 (VVT Ex Chg Angle #2)
        -100% to 100% Varies by 36.5 DegFR or more

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