The 1999 Jeep Cherokee is equipped with an on-board diagnostic center, also identified as the OBD. The '99 series has the 2nd OBD program, also referred to as OBD2 or OBD-II. This system is far more sophisticated than the original OBD, which was designed while in the 1970s and early 1980s largely to watch auto emissions. The OBD-II within the 1999 Jeep monitors all elements from the Cherokee's functions, like the chassis, accessories and entire body. Working a self-diagnosis highlights the Cherokee's issue places so they will be conveniently identified and fixed. Others Are Reading Tips on how to Make Your 1999 Jeep Cherokee A lot quicker The way to Run Motor vehicle Diagnostic Testing Items You'll need OBD-II scan device Services guide Show A lot more Guidelines 1
Park the Jeep in the nicely lit, level region and flip off the engine. The diagnostic sequence will not activate even though the engine is working.
2 The check port is within the driver's side in most vehicles, but is often about the passenger's side.
Locate the test plug-in. It's a compact, square electrical port located beneath the driver's side dash. Pry off the plastic cover, if it's a single, to expose the ports.
3
Plug the scanner in to the test port. Turn the ignition key "On". The scanner will come on automatically.
4
Follow the prompt on the scanner to retrieve the diagnostic codes stored within the Jeep's computer. Write down the codes that appear and examine their meanings in your support guide..
