2010 Jeep Liberty Owner's Manual - Page 431

430 MAINTAINING YOUR VEHICLE 2. If you crank or start the engine, you will have to start If your OBD II system is not ready, you should see your this test over. authorized dealer or repair facility. If your vehicle was recently serviced or had a battery failure or replacement, 3. As soon as you turn the ignition switch to the ON you may need to do nothing more than drive your position, you will see the MIL symbol come on as part of vehicle as you normally would in order for your OBD II a normal bulb check. system to update. A recheck with the above test routine 4. Approximately 15 seconds later, one of two things will may then indicate that the system is now ready. happen: Regardless of whether your vehicle's OBD II system is a. The MIL will flash for about 10 seconds and then ready or not, if the MIL is illuminated during normal return to being fully illuminated until you turn OFF vehicle operation you should have your vehicle serviced the ignition or start the engine. This means that your before going to the I/M station. The I/M station can fail vehicle's OBD II system is not ready and you should your vehicle because the MIL is on with the engine running. not proceed to the I/M station. b. The MIL will not flash at all and will remain fully illuminated until you turn OFF the ignition or start the engine. This means that your vehicle's OBD II system is ready and you can proceed to the I/M station. REPLACEMENT PARTS Use of genuine MOPAR parts for normal/scheduled maintenance and repairs is highly recommended to ensure the designed performance. Damage or failures caused by the use of non-MOPAR parts for maintenance and repairs will not be covered by the manufacturer's warranty.