Davis Instruments 8221 User Manual

Welcome to CarChip 

53 

 

2.  Select a Vehicle from the Vehicle drop-down box. 

 
The Readiness Code dialog box displays the eleven possible readiness codes, whether or not the 
readiness code is supported for the vehicle and if the monitor completed a test or did not complete a 
test of its systems at the time the codes were recorded (usually at time of vehicle start-up) for each 
of the available readiness codes for the selected vehicle.  
 
The readiness codes monitored are: 
 
Catalyst 
Heated Catalyst 
Evaporative System 
Secondary Air System 
A/C System Refrigerant 
Oxygen Sensor 
Oxygen Sensor Heater 
EGR System 
Misfire 
Fuel System 
Comprehensive Component 
 
Not all eleven monitors displayed on the list may be supported, or monitored by your vehicle's 
systems. If "Not Supported" displays in the supported column, it simply means that the monitor does 
not exist or is not monitored by your vehicle. See your vehicle's manual or supporting documentation 
for emission monitors that your vehicle does support.  
 
The Status column displays "Complete" or "Not Complete" for the readiness codes that are supported 
in your vehicle and "--" for all the readiness codes that are not supported. A "Complete" means a test 
of that emissions monitor was completed at the time of CarChip recorded the readiness codes. A "Not 
Complete" could mean that the OBD system has not yet completed testing of that component or 
system or that a component failure may exist, but has not been identified because system testing 
has not been complete. Most states allow for two "Not Complete" readiness codes during OBD or