Table of Contents > 8. Technical Information > Emissions Testing

2010 Honda CR-V Owner's Manual ➜ Emissions Testing

09/07/16 18:58:02 31SWA630_424  
Emissions Testing  
Testing of Readiness Codes  
If you take your vehicle for an  
emissions test shortly after the  
battery has been disconnected or  
gone dead, it may not pass the test.  
This is because of certain ‘‘readiness  
codes’’ that must be set in the on-  
board diagnostics for the emissions  
systems. These codes are erased  
when the battery is disconnected,  
and set again only after several days  
of driving under a variety of  
If the testing facility determines that  
the readiness codes are not set, you  
will be requested to return at a later  
date to complete the test. If you must  
get the vehicle retested within the  
next two or three days, you can  
condition the vehicle for retesting by  
doing the following.  
4. Without touching the accelerator  
pedal, start the engine, and let it  
idle for 20 seconds.  
Keep the vehicle in Park. Increase  
the engine speed to 2,000 rpm, and  
hold it there until the temperature  
gauge rises to at least 1/4 of the  
scale (about 3 minutes).  
1. Make sure the gas tank is nearly,  
but not completely, full (around  
6. Without touching the accelerator  
pedal, let the engine idle for 20  
2. Make sure the vehicle has been  
parked with the engine off for 6  
hours or more.  
3. Make sure the ambient  
temperature is between 40° and  
95°F (4° and 35°C).