INSPECT VVT LH RELAY OR VVT RH RELAY
CHECK HARNESS AND CONNECTOR (POWER SOURCE VOLTAGE)
CHECK HARNESS AND CONNECTOR (CAMSHAFT TIMING CONTROL MOTOR - ECM)
REPLACE CAMSHAFT TIMING CONTROL MOTOR (BANK 1 OR BANK 2)
CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED
INSPECT CAMSHAFT TIMING CONTROL MOTOR (BANK 1 OR BANK 2)
REPAIR OR REPLACE HARNESS OR CONNECTOR (CAMSHAFT TIMING CONTROL MOTOR - VVT LH OR VVT RH RELAY)