Circuit/System Verification w/o Service Bay Test
- Ignition ON, observe the DTC information with a scan tool. Verify DTC's P0443, P0452, P0453, P0458, P0459, P0498, or P0499 are not set.
- Observe the scan tool fuel tank pressure (FTP) sensor pressure parameter. Verify the FTP sensor pressure parameter is near 0 in H2O.
- If the vehicle passes the Circuit/System Verification test, then operate the vehicle within the conditions for running the DTC. You may also operate the vehicle within the conditions that are captured in the Freeze Frame/Failure Records Data List.