Camshaft Timing Oil Control Valve Assembly Inspection

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

  1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY

Camshaft Timing Oil Control Valve Assembly -- Inspection



1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Engine Control System.Sfi System.Camshaft Timing Oil Control Valve Assembly  Inspection
  1. Measure the resistance between the terminals.

    Standard resistance:
    6.9 to 7.9 Ω at 20°C (68°F)
    If the result is not as specified, replace the oil control valve assembly.


    Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Engine Control System.Sfi System.Camshaft Timing Oil Control Valve Assembly  Inspection
  1. Connect the battery's positive (+) lead to terminal 1 and negative (-) lead to terminal 2, and check the movement of the valve.

    OK:
    Condition
    Specified Condition
    Battery positive (+) voltage is applied
    Valve moves in left arrow direction shown in the illustration
    Battery positive (+) voltage is cut off
    Valve moves in right arrow direction shown in the illustration
    If the result is not as specified, replace the oil control valve assembly. If the valve cannot return properly because of foreign matter, a small pressure leak in the advanced direction may occur and a DTC may be output.