Page 253 - Honda Civic

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State Emissions Testing

Testing of Readiness Codes Make sure the vehicle has been thecruisecontrol.When traffic
If you take your vehicle for a state parked with the engine off for 6 allows, drive for 90 seconds
emissions test shortly after the hours or more. without moving the accelerator
battery has been disconnected or pedal. (Vehicle speed may vary
gone dead, it may not pass the test. Make sure the ambient slightly; this is okay.) If you cannot
This is because of certain ‘‘readiness temperature is between 40° and do this for a continuous 90
codes’’ that must be set in the on- 95°F. seconds because of traffic
board diagnostics for the emissions conditions, drive for at least 30
systems. These codes are erased Without touching the accelerator seconds, then repeat it two more
when the battery is disconnected, pedal, start the engine, and let it times (for a total of 90 seconds).
and set again only after several days idle for 20 seconds.
of driving under a variety of Then drive in city/suburban
conditions. Keep the vehicle in Park traffic for at least 10 minutes.
(automatic transmission) or When traffic conditions allow, let
If the testing facility determines that neutral (manual transmission). the vehicle coast for several
the readiness codes are not set, you Increase the engine speed to 2,000 seconds without using the
will be requested to return at a later rpm, andholdit there until the accelerator pedal or the brake
date to complete the test. If you must temperature gauge rises to at least pedal.
get the vehicle retested within the 1/4of thescale(about 3minutes).
next two or three days, you can Stop the vehicle, turn off the
condition the vehicle for retesting by Select a nearby lightly traveled ignition switch, and leave it off for
doing the following. major highway where you can 30 minutes.
maintain a speed of 50 to 60 mph
Make sure the gas tank is nearly, (80to 97km/h) forat least 20 If the testing facility determines the
but not completely full (around minutes. Drive on the highway in readiness codes are still not set, see
3/4). D (A/T) or 5th (M/T). Do not use your dealer.

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