CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO P0011 OR P0012)
PERFORM ACTIVE TEST USING INTELLIGENT TESTER (OCV OPERATION)
CHECK WHETHER DTC OUTPUT RECURS (DTC P0011 OR P0012)
INSPECT OIL CONTROL VALVE FILTER
INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
REPLACE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
INSPECT CAMSHAFT TIMING SPROCKET ASSEMBLY
REPLACE CAMSHAFT TIMING SPROCKET ASSEMBLY