DTC P1349: Variable Valve Timing (VVT) System Malfunction: Notes

WARNING: This page is about a different car, the 2000 Toyota Celica. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: If ECM replacement is instructed in following tests, always ensure ECM connectors and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction.