The actual valve timing is over-advanced by 15 °
from the target valve timing for specified period when the OCV is controlled in the maximum valve timing retard condition.
Diagnostic support note
This is a continuous monitor (CCM).
The MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
FREEZE FRAME DATA (Mode 2)/Snapshot data is available.
The DTC is stored in the PCM memory.
POSSIBLE CAUSE
OCV malfunction
Spool valve in OCV is stuck in advanced position
Variable valve timing mechanism malfunction
Variable valve timing mechanism misinstallation
Loose timing chain or improper valve timing due to timing chain slippage
Stopper pin mechanism malfunction
Variable valve timing actuator is stuck in advanced position