LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2011 >> HS 250h >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Service Information) >> Camshaft Oil Control Valve >> On-Vehicle Inspection >> On-Vehicle Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

On-Vehicle Inspection

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY 
    1. Connect the Techstream to the DLC3.
    2. Turn the Techstream on.
    3. Set the vehicle to inspection mode. Refer to INSPECTION MODE PROCEDURE .
    4. Start the engine.
    5. Inspect the oil control valve.
      1. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT System (Bank 1).
      2. Check the engine speed when the oil control valve is operated using the Techstream with the engine coolant temperature at 50°C (122°F) or less.

        HINT: 

        Air conditioning should be on.

        Standard

        Control Range Specified Condition
        OFF Normal engine speed
        ON Rough idle or engine stalls (soon after oil control valve switched from OFF to ON)
scientia non olet · About LEMON Manuals