DTC P0496: EVAP System High Purge Flow Detected
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 Honda Odyssey, 2016 Honda Odyssey, 2015 Honda Odyssey, 2014 Honda Odyssey, and 2013 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see
GENERAL TROUBLESHOOTING INFORMATION
).
- Turn the ignition switch to ON (II).
- Clear the DTC with the HDS.
- Do the EVAP FUNCTION TEST in the INSPECTION MENU with the HDS.
Is the result OK?
YES -Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the FTP sensor, the EVAP canister purge valve, the EVAP canister vent shut valve, and the PCM.
NO -Go to step 4.
NOTE: If the test could not be completed because of another DTC, do the troubleshooting for that DTC. - Turn the ignition switch to LOCK (0).
- Replace the EVAP canister purge valve (see EVAP CANISTER PURGE VALVE REPLACEMENT ).
- Turn the ignition switch to ON (II).
- Reset the PCM with the HDS.
- Do the PCM idle learn procedure (see PCM IDLE LEARN PROCEDURE ).
- Do the EVAP FUNCTION TEST in the INSPECTION MENU with the HDS.
Is the result OK?
YES -Troubleshooting is complete.
NO -Check for poor connections or loose terminals at the FTP sensor, the EVAP canister purge valve, the EVAP canister vent shut valve, and the PCM, then go to step 1.