Tips on how to Carry out a Self Diagnostic Test on a 1999 Jeep Cherokee

The 1999 Jeep Cherokee is equipped with an on-board diagnostic center, also identified as the OBD. The '99 series has the second OBD method, often known as OBD2 or OBD-II. This method is more sophisticated compared to the original OBD, which was designed during the 1970s and early 1980s primarily to watch car or truck emissions. The OBD-II within the 1999 Jeep monitors all elements of the Cherokee's functions, like the chassis, accessories and body. Working a self-diagnosis highlights the Cherokee's trouble locations so they could be easily identified and fixed. Other people Are Studying How to Make Your 1999 Jeep Cherokee Quicker How to Run Automobile Diagnostic Testing Things You'll need OBD-II scan device Service manual Show Much more Instructions 1

Park the Jeep in the effectively lit, level place and flip off the engine. The diagnostic sequence will not activate while the engine is operating.

2 The check port is around the driver's side in most cars, but is occasionally over the passenger's side.

Locate the test plug-in. It's a small, square electrical port found under the driver's side dash. Pry off the plastic cover, if it has one, to expose the ports.

3

Plug the scanner into the test port. Flip the ignition vital "On". The scanner will come on automatically.

4

Follow the prompt to the scanner to retrieve the diagnostic codes stored from the Jeep's computer. Write down the codes that appear and verify their meanings in your services manual..