What Do I Need To Flash A PCM?

What Do I Need To Flash A PCM? Reflashing PCMs requires three things: a scan tool or J2534 pass-through device that is flash capable, a Windows laptop computer (Most require Windows 7 but some older applications may require Windows XP) with an internet connection for downloading the flash software from the vehicle manufacturer website (Click

What Does ACC Mean In Fuse Box?

What Does ACC Mean In Fuse Box? ACC (Accessory) — Allows operation of electrical accessories with the engine off. ON — The engine runs and all electrical accessories can be used. START — Engages the starter. Release the ignition switch when the engine starts. The ignition switch returns automatically to the “ON” position. What does

What Is Compression Sensing Ignition?

What Is Compression Sensing Ignition? The waste-spark ignition is part of a unique Compression Sense Ignition (CSI) system that allows the powertrain control module (PCM) to determine proper engine phasing (cam position) without the use of a separate camshaft position sensor mounted near a rotating engine member. What are the four types of ignition system?