Tundra 2WD V6-4.0L (1GR-FE) (2005)
Variable Valve Timing Solenoid: Testing and Inspection
On-Vehicle Inspection
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