2004 Chrysler PT Cruiser Owners Manual

MAINTAINING YOUR VEHICLE
249
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS
In som e localities,  it  may  be a legal  requ irem ent to  pass
an insp ection  of you r vehicle’s  emissions  control  system .
Failu re to pass  could  prevent   vehicle  registration.
Your  vehicle   has   a  simple   ignition   key   actu ated  test
which  you  can  use  prior  to going  to  the  test  station.  To
check if you r vehicle’s  OBD system is read y, you  must do
the  follow ing:
1.
Insert  you r ignition  key  into  the ignition   switch.
For  states  which   have  an  I/  M (Insp ection   and
Maintenance)   requ irem ent, this check verifies  the
follow ing: the MIL (Malfu nction  Ind icator Lamp)
is functioning   and  is not  on when  the  engine  is running,
and  that the  OBD (On  Board Diagnostic)  system  is  read y
for testing.
2.
or start  the  engine.
Turn  the ignition  to  the ON  position,  but do  not crank
3.  If you crank  or  start the  engine,  you  will have  to start
this  test over.
4.
As soon  as you  turn  you r key to the  ON position,  you
Norm ally,  the   OBD  system   will   be  read y.  The   OBD
system  may   not  be  read y if  you r vehicle   was  recently
serviced , if you  recently  had  a dead   battery,  or a battery
rep lacem ent. If  the  OBD system   shou ld  be determ  ined
not read y for  the I/ M  test, you r vehicle  may  fail the test.
buwilllbseecheck.you r  MIL sym bol  come  on as  part  of  a norm al  7
5.
Approxim  ately 15 second s later, one of two  things  will
hap pen:
a.  The  MIL will  flash  for  abou t 10 second s  and  then
retu rn to being  fully  illuminated   until  you turn  off the
Product Specification
CategoriesChrysler Manuals, Chrysler PT Cruiser Manuals
Model Year2004
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