P0450

CIRCUIT DESCRIPTION
The vapor pressure sensor and VSV for vapor pressure sensor are used to detect abnormalities in the evaporative emission control system.
The ECM decides whether there is an abnormality in the evaporative emission control system based on the vapor pressure sensor signal.





DETECTING CONDITION





WIRING DIAGRAM

INSPECTION PROCEDURE

HINT:
- If DTC P0441, P0446 or P0450 is output after DTC P0440, first trouble shot DTC P0441, P0446 or P0450.
- If no malfunction is detected, troubleshoot DTC P0440 next.