In this video I show you how to test the ignition coil when there is an ignition coil fault code or misfire. I explain the ignition coil wiring diagram & how to find the pins locations and wires. I also explain how to remove the ignition coil and test the primary and secondary winding inside the coil. Then I explain how to test the ignition coil power supply and control line. Then I show you guys how I test the ECM internal circuit if the ignition coil malfunction is caused by ECM internal error.
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