Scan Tool Data

Typical scan data values table contains all parameters included in the following data lists arranged in alphabetical order. For complete list of scan tool data, see PID VALUE CHARTS - CARS article.

• Engine Data 1 (ENG 1)
  
  Contains general information regarding fuel delivery and basic engine operating conditions.
• Engine Data 2 (ENG 2)
  
  Contains general information regarding Air Conditioning (A/C), Crankshaft Position (CKP), Camshaft Position (CMP), Knock Sensor (KS), and basic engine operating conditions.
• Evaporative Emission (EVAP) Data (EE)
  
  Contains information specific to Evaporative (EVAP) emissions control system. Also displays parameters required to verify proper EVAP system operation.
• Freeze Frame/Failure Records (FF/FR)
  
  Contains specific information regarding operating conditions when failure occurred.
• Fuel Trim Data (FT)
  
  Contains specific information regarding fuel trim.
• Misfire Data (MF)
  
  Contains specific information regarding misfire diagnostics and parameters required to verify proper operation with regard to misfire.

Use typical scan data values only after the following conditions are met:

• Diagnostic system check has been completed.
• Engine is idling unless checking a value at a specified RPM.
• Throttle is closed unless checking a value at a specified RPM.
• Vehicle is in Park or Neutral.
• Vehicle is operating in closed loop.
• Vehicle accessories are turned off.