Fail-Safe Function
WARNING: This page is about a different car, the 2000 Honda Prelude, 2000 Honda Civic, and 2000 Honda CR-V. However, it is still accessible from the selected car via links, so may be relevant.
If a sensor fails, PCM will substitute a preprogrammed value for sensor and continue engine operation. In this condition, engine will operate, but driveability will not be optimum.