2010 Chrysler PT Cruiser Owner Manual - Page 280

MAINTAINING YOUR VEHICLE 279 Indicator Light (MIL)" is functioning and is not on when 3. As soon as you turn the ignition switch to the ON the engine is running, and that the OBD II system is position, you will see the MIL symbol come on as part of ready for testing. a normal bulb check. Normally, the OBD II system will be ready. The OBD II 4. Approximately 15 seconds later, one of two things will system may not be ready if your vehicle was recently happen: serviced, recently had a dead battery or a battery replacea. The MIL will flash for about 10 seconds and then ment. If the OBD II system should be determined not return to being fully illuminated until you turn OFF ready for the I/M test, your vehicle may fail the test. the ignition or start the engine. This means that your Your vehicle has a simple ignition key-actuated test, vehicle's OBD II system is not ready and you should which you can use prior to going to the test station. To not proceed to the I/M station. check if your vehicle's OBD II system is ready, you must b. The MIL will not flash at all and will remain fully do the following: illuminated until you turn OFF the ignition or start the 1. Turn the ignition switch to the ON position, but do not engine. This means that your vehicle's OBD II system crank or start the engine. is ready and you can proceed to the I/M station. 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, 7