LS 460 RWD V8-4.6L (1UR-FSE) (2010)
Variable Valve Timing Actuator: Testing and Inspection
Camshaft Oil Control Valve
Inspection
1UR-FSE 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 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.
NOTICE:
Do not allow foreign matter to contact the oil seal face of the camshaft timing oil control valve (connecting surface with cylinder head
cover sub-assembly).
On-Vehicle Inspection
1UR-FSE ENGINE CONTROL SYSTEM: CAMSHAFT OIL CONTROL VALVE: ON-VEHICLE INSPECTION
1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
(a) Connect the Techstream to the DLC3.
(b) Start the engine and turn the tester on.
(c) Start and warm up the engine.
(d) Idle the engine.