DIY Cost: $25-$40 Est. Time: 15 min Difficulty: Very Easy Summary If your Mitsubishi doesn't start or clicks when you try to start it, the problem could be a faulty battery. Symptoms Common symptoms of a dead battery on a Mitsubishi. Engine cranks very slowly but won't start The car turns on but won't start START button lights up, but the car won't start Lights turn on, but the car won't start You can hear a click, click, click, but the engine won't start What you will need 12V Car Battery Tester Procedure How to test the battery on any Mitsubishi. Set the vehicle in park and turn off the ignition. Pull the hood release under the dashboard and open the hood. Locate the battery on the driver's side of the engine. Connect the red clamp from the tester to the positive battery terminal. Connect the black to the negative battery terminal. Allow the scanner to turn on, then select IN VEHICLE TESTING. Select input Cold Cranking Amp (CCA). Look at the battery; it should have a CCA rating if not enter 600. Continue to test the battery. After a minute, the test will show tested Good or Replace Battery. If your battery shows as Good - Need Charging, then either jump-start the vehicle and let it idle or drive for at least 30 min or use a battery charger to charge the battery fully. This article covers only the battery problem. For more help, see our comprehensive guide that discusses all possible Mitsubishi no-start issues. These instructions work on all Mitsubishi vehicles, including Galant, Lancer, Outlander, Montero, Eclipse, etc.