On-Vehicle Inspection

INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSY
a. Connect the LEXUS hand-held tester or OBD II scan tool to the DLC3.
b. Turn the ignition switch ON.
c. Start the engine and warmed it up.
d. Connect the LEXUS hand-held tester and select the VVT from the ACTIVE TEST menu.
e. Check the engine speed when the OCV is operated by the LEXUS hand-held tester.

Standard:
VVT system is OFF (OCV is OFF) : Normal engine speed
VVT system is ON (OCV is ON) : Rough idle or engine stalled