2004 Jeep Grand Cherokee Owners Manual

MAINTAINING YOUR VEHICLE
253
ONBOARD DIAGNOSTIC SYSTEM — OBD  II
CAUTIO N!
Your  vehicle  is  equ ipped  with  a  sop histicated   onboard
diagnostic   system  called  OBD  II.  This system   monitors
the perform  ance of  the emissions,  engine,  and  autom atic
transm ission   control  system s.  When   these  system s  are
operating   prop erly,  you r vehicle   will  provid e  excellent
perform ance  and  fuel  econom y, as  well  as engine  emis-
sions  well within   current  governm  ent regu lations.
Prolon ged  drivin  g with  the  “Malfu  nction  Indica-
tor  Ligh t” on  could   cause  furth er  damage   to  the
emission   control   system . It  could  also  affect  fuel
econ omy  and   driveab ility.   The  veh icle  must   be
serviced   before   any  emission  s  tests   can  be  per-
form ed.
If any of these  system s requ ire service, the  OBD II system
will  turn   on  the  “Malfu nction  Ind icator  Light.”  It  will
also  store   diagnostic    codes  and   other   inform ation   to
assist   you r  service   technician   in  making    rep airs.  Al-
thou gh  you r  vehicle  will  usually   be  drivable   and   not
need   tow ing,  see  you r  dealer   for  service   as  soon   as
possible.
•  wIfhthilee th“Me alfuenginnctione   is ruInndnicatoring,  severeLigh t”catalyticis  flashconing-
verter   damage   and   power   loss  will   soon   occur.
Immediate   service   is req uired .
7
Product Specification
CategoriesJeep Grand Cherokee Manuals, Jeep Manuals
Model Year2004
Download File
Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step.
- 344 pages
Document File TypePDF
CopyrightAttribution Non-commercial
(0 votes, average: 0 out of 5)

Submit your review (optional)
(will not be displayed)
* Required Field