User Manual

FX Series Full System Scan Tool

needs to be reset. For vehicle specific drive cycle, consult

the vehicle’s Owner’s Manual.

Freeze Frame Data -- When an emissions related fault

occurs, the OBD II system not only sets a code but also

records a snapshot of the vehicle operating parameters to

help in identifying the problem. This set of values is

referred to as Freeze Frame Data and may include

important engine parameters such as engine RPM,

vehicle speed, air flow, engine load, fuel pressure, fuel

trim value, engine coolant temperature, ignition timing

advance, or closed loop status.