Motorcraft Home Technical Resources Home Non-Subscription Resources What's New Body Repair Manuals Diagnostic Tool Support OBDII Theory & Operation Paper/CD Manuals Quick Guides Tools & Equipment Membership Accounts My Shopping Cart Subscription Products Keycode Lookup Reprogramming & Initialization Service Publications Technical Service Bulletins Technical Training Purchase Subscription Ford Specific Acronyms # A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  0-9  (Indexed by Abbreviation) Acronyms Description CAC Charge Air Cooler. Formerly known as intercooler. A device which lowers the temperature of pressurized intake air. CAFE Corporate Average Fuel Economy. A set of federal requirements and regulations which govern fuel economy standards. CAN Controller Area Network CANP Canister Purge Solenoid CANVNT Canister Vent CAT EVAL Catalyst System Evaluated. This item indicates YES when the Catalyst Efficiency Monitor has successfully completed. Catalyst Catalytic converter. An in-line exhaust system device used to reduce the level of engine exhaust emissions. CCM Comprehensive Component Monitor CCS Coast Clutch Solenoid CCSF Coast Clutch Solenoid Fault. Displays a YES if a fault exists. CD A through J Coil Driver 1 through 10. Centralized Testing State government operation. Provides inspection/maintenance (IM) and safety inspections. CGND Case Ground. Provides a ground source for the PCM case. CHT Cylinder Head Temperature. Units are displayed in either degrees Celsius or Fahrenheit. CHTIL Cylinder Head Temperature Indicator Lamp CHTV Cylinder Head Temperature Voltage CKP Crankshaft Position CKP+, CKP- CKP+ is the CKP sensor signal circuit. CKP- is the signal return circuit. CL Closed Loop. An operating condition or mode which enables operation based on sensor feedback. CMCV Charge Motion Control Valve CMCVM Charge Motion Control Valve Monitor CMP, CMP1, CMP2 Camshaft Position CMPFM Camshaft Position Failure Mode. Indicates when the PCM identifies a CMP fault. CMS Catalyst Monitor Sensor. The downstream HO2S. CMVSS Canadian Motor Vehicle Safety Standards. CO Carbon Monoxide. A colorless, odorless, and toxic gas that is a component of auto exhaust emissions. CO2 Carbon Dioxide. A colorless, odorless gas that is a normal by-product of the combustion of fuel. Coil A device consisting of windings around an iron core. In a spark ignition system, designed to increase voltage. Cold Soak Time given to a vehicle to sit at a low temperature, typically below 20°C (68°F), until the temperature of external and internal components stabilize. CONT Continuous Memory. The portion of keep alive memory (KAM) used to store DTCs generated during the continuous memory self-test. Continuous Memory Se A continuous test of the EEC system conducted by the PCM whenever the vehicle is operating. COP Coil On Plug. Ignition coil on plug assembly. CPP Clutch Pedal Position CPP Switch Clutch Pedal Position Switch. Located on the clutch pedal and detects when the clutch pedal is pressed. CQIS Common Quality Indicator System CSE GND Case Ground CT Closed Throttle. A mode when the PCM varies the pulse width of the fuel injectors to obtain the air/fuel mixture appropriate for closed throttle operation. CTO Clean Tach Output. Signal used to drive the instrument panel tachometer.

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