2013 Dodge Grand Caravan Cargo Owner Manual - Page 596

594 MAINTAINING YOUR VEHICLE Your vehicle has a simple ignition key-actuated test, • The MIL will not flash at all and will remain fully which you can use prior to going to the test station. To illuminated until you turn OFF the ignition or start the check if your vehicle's OBD II system is ready, you must engine. This means that your vehicle's OBD II system do the following: is ready and you can proceed to the I/M station. 1. Turn the ignition switch to the ON position, but do not If your OBD II system is not ready, you should see your crank or start the engine. authorized dealer or repair facility. If your vehicle was 2. If you crank or start the engine, you will have to start recently serviced or had a battery failure or replacement, you may need to do nothing more than drive your this test over. vehicle as you normally would in order for your OBD II 3. As soon as you turn the ignition switch to the ON system to update. A recheck with the above test routine position, you will see the MIL symbol come on as part may then indicate that the system is now ready. of a normal bulb check. Regardless of whether your vehicle's OBD II system is 4. Approximately 15 seconds later, one of two things will ready or not, if the MIL is illuminated during normal happen: vehicle operation you should have your vehicle serviced • The MIL will flash for about 10 seconds and then return before going to the I/M station. The I/M station can fail to being fully illuminated until you turn OFF the igni- your vehicle because the MIL is on with the engine tion or start the engine. This means that your vehicle's running. OBD II system is not ready and you should not proceed to the I/M station.