2009 Dodge Ram 1500 Pickup Owner Manual - Page 447

MAINTAINING YOUR VEHICLE 445 appear the next time the vehicle is started. This might serviced, recently had a dead battery or a battery replaceindicate a damaged cap. If the problem is detected twice ment. If the OBD II system should be determined not in a row, the system will turn on the MIL. Resolving the ready for the I/M test, your vehicle may fail the test. problem will turn the MIL light off. Your vehicle has a simple ignition key-actuated test, which you can use prior to going to the test station. To EMISSIONS INSPECTION AND MAINTENANCE check if your vehicle's OBD II system is ready, you must PROGRAMS In some localities, it may be a legal requirement to pass do the following: an inspection of your vehicle's emissions control system. 1. Insert your ignition key into the ignition switch. Failure to pass could prevent vehicle registration. 2. Turn the ignition to the ON position, but do not crank For states that require an Inspection and Mainte- or start the engine. nance (I/M), this check verifies the "Malfunction Indicator Light (MIL)" is functioning and is not 3. If you crank or start the engine, you will have to start on when the engine is running, and that the OBD II this test over. system is ready for testing. 4. As soon as you turn your key to the ON position, you Normally, the OBD II system will be ready. The OBD II will see the MIL symbol come on as part of a normal bulb system may not be ready if your vehicle was recently check. 7