When using intelligent tester:
PERFORM ACTIVE TEST (OPERATE OCV)
CHECK IF DTC OUTPUT RECURS (DTC P0011/59 OR P0012/59)
CHECK OIL CONTROL VALVE FILTER
INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (OCV)
REPLACE CAMSHAFT TIMING CONTROL VALVE ASSEMBLY (OCV)
CHECK CAMSHAFT TIMING GEAR ASSEMBLY
REPLACE CAMSHAFT TIMING GEAR ASSEMBLY
CHECK FOR BLOCKAGE (OCV, OIL CHECK VALVE, OIL HOLE)
CHECK IF DTC OUTPUT RECURS (DTC P0011/59 OR P0012/59)
When not using intelligent tester:
CHECK ENGINE SPEED (OPERATION OF OCV)
CHECK IF DTC OUTPUT RECURS (DTC P0011/59 OR P0012/59)
CHECK OIL CONTROL VALVE FILTER
CHECK CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (OCV)
REPLACE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (OCV)
CHECK CAMSHAFT TIMING GEAR ASSEMBLY
REPLACE CAMSHAFT TIMING GEAR ASSEMBLY