Tundra 4WD V8-4.6L (1UR-FE) (2010)
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Variable Valve Timing Actuator: Testing and Inspection
Inspection
1UR-FE ENGINE CONTROL SYSTEM: CAMSHAFT OIL CONTROL VALVE: INSPECTION
1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
(b) If the result is not as specified, replace the camshaft timing oil control valve assembly.
(c) Connect the battery's positive (+) lead to terminal 1 and the negative (-) lead to terminal 2, and check the movement of the valve.
OK:
(d) If the result is not as specified, replace the camshaft timing 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.
