Camshaft Timing Oil Control Valve Assembly On-Vehicle Inspection

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Gr-Fe Engine Control System. Lexus Gs430, Gs300. Uzs190 Grs190

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY

Camshaft Timing Oil Control Valve Assembly -- On-Vehicle Inspection



1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fe Engine Control System.Sfi System.Camshaft Timing Oil Control Valve Assembly On-Vehicle Inspection

  1. Connect the intelligent tester to the DLC3.

  1. Turn the engine switch on (IG).

  1. Push the intelligent tester main switch ON.

  1. Start and warm up the engine.

  1. Idle the engine.

  1. Select the following menus: Powertrain / Engine / Active Test / Activate the VVT System (Bank 1), Activate the VVT System (Bank 2), Control the VVT Linear (Bank 1), Control the VVT Linear (Bank 2), Control the VVT Exhaust Linear (Bank 1), or Control the VVT Exhaust Linear (Bank 2).

    OK:
    Tester Operation
    		Specified Condition
    OCV OFF
    		Normal engine speed
    OCV ON
    		Engine idles roughly or stalls soon after OCV switched from OFF to ON
    If the result is not as specified, check the oil control valve and wirings.
    HINT:
    1. Activate the VVT System (Bank 1): Command to activate exhaust and intake side oil control valves of bank 1.
    2. Activate the VVT System (Bank 2): Command to activate exhaust and intake side oil control valves of bank 2.
    3. Control the VVT Linear (Bank 1): Command to activate intake side oil control valve of bank 1.
    4. Control the VVT Linear (Bank 2): Command to activate intake side oil control valve of bank 2.
    5. Control the VVT Exhaust Linear (Bank 1): Command to activate exhaust side oil control valve of bank 1.
    6. Control the VVT Exhaust Linear (Bank 2): Command to activate exhaust side oil control valve of bank 2.