Toyota Tundra 2005 Service - Repair - Maintenance page 1921

Valve
SFI (1GR−FE)
INSPECTION
1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE
RESISTANCE
Using an ohmmeter, measure the resistance between the ter-
minals.
Resistance: 6.9 to 7.9 Ω at 20_C (68_F)
2. INSPECT VALVE MOVEMENT
Connect the positive (+) lead from the battery to terminal 1 and
the negative (−) lead to terminal 2, and check the movement of
2 1
the valve.
NOTICE:
Confirm that the valve does not catch.
HINT:
Bad returning of the valve by catching foreign objects causes
subtle pressure leak in the advanced direction. DTCs could be
A23405
detected.
− CAMSHAFT TIMING OIL CONTROL VALVE
SF−47
SF1YY−01