The 1999 Jeep Cherokee is equipped with an on-board diagnostic center, also called the OBD. The '99 series has the 2nd OBD system, also referred to as OBD2 or OBD-II. This procedure is far more sophisticated than the authentic OBD, which was created inside the 1970s and early 1980s principally to watch motor vehicle emissions. The OBD-II during the 1999 Jeep monitors all components of your Cherokee's functions, such as the chassis, equipment and entire body. Operating a self-diagnosis highlights the Cherokee's difficulty places so they can be effortlessly identified and fixed. Others Are Reading The best way to Make Your 1999 Jeep Cherokee Faster Ways to Run Motor vehicle Diagnostic Testing Points You will need OBD-II scan device Support manual Show A lot more Directions 1
Park the Jeep within a nicely lit, degree place and flip off the engine. The diagnostic sequence will not activate whilst the engine is working.
2 The check port is over the driver's side in most automobiles, but is from time to time over the passenger's side.
Locate the check plug-in. It is a tiny, square electrical port discovered under the driver's side dash. Pry off the plastic cover, if it has a single, to expose the ports.
3
Plug the scanner in to the test port. Turn the ignition critical "On". The scanner will come on automatically.
4
Follow the prompt within the scanner to retrieve the diagnostic codes stored inside the Jeep's computer. Write down the codes that appear and examine their meanings in your service manual..
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