Toyota Tundra 2005 Service - Repair - Maintenance page 1917

CAMSHAFT TIMING OIL CONTROL VALVE
ON−VEHICLE INSPECTION
1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE
(a) Connect the hand−held tester to the DLC3.
(b) Turn the ignition switch to the ON position.
(c) Start the engine and warm it up.
(d) Connect the hand−held tester and select the VVT from the ACTIVE TEST menu.
(e) Check the engine speed when the OCV is operated by the 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
SFI (1GR−FE) − CAMSHAFT TIMING OIL CONTROL VALVE
SF−43
SF1YV−01