Index Jaguar Jaguar X-Type Sedan and Estate (Wagon) (2.0 L, 2.5 L and 3.0 L Gasoline; 2.0 L and 2.2 L, Diesel) - manual 2001-2009 year
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Term(s) Acronym / Unit / Abbreviation Definition Heated Oxygen Sensor HO2S Electrically heated oxygen sensor which induces fueling corrections Hertz (frequency) Hz Frequency, one cycle per second High Mounted Stoplamp HMSL High tension HT Hour hour Hydrocarbon HC Idle Air Control IAC Stepper motor driven device which varies the volume of air by-passing the throttle to Ignition amplifier IA Device which amplifies the ignition system output Ignition ground IGN GND Injection Pressure Sensor IPS Inertia Fuel Shut-off IFS An inertia system that shuts off the fuel supply when activated by pre-determined force Inertia Fuel Shut-off Switch IFS Switch Shuts down fuel and ignition systems in the event of a vehicle impact Intake air Air drawn through a cleaner and distributed to each cylinder for use in combustion Intake Air Temperature IAT Temperature of intake air Intake Air Temperature IAT Sensor Device used to measure IAT Intake Air Temperature IAT Sensor Ignition Thermistor which signals the ECM to retard the ignition timing in response to high inlet air Intake Air Temperature IAT Sensor Injection Thermistor which inputs air density information to the ECM Internal diameter i.dia International Standards ISO Kilogramme (mass) kg Kilogramme (force) kgf Kilogramme force per kgf/cm² Kilometer km Kilometer per hour km/h Kilopascal kPa Kilovolt kV Knock Sensor KS Sensor which detects the onset of detonation, and signals the ECM to retard the ignition Left-hand LH Left-hand drive vehicle LHD Left-hand thread LHthd Liquid Crystal Display LCD Optical digital display system, applied voltage to which varies the way the crystals reflect Litre L Low Tension LT Primary circuit of the ignition system, linking the battery to the primary winding in the Malfunction Indicator Lamp MIL A required on-board indicator to alert the driver of an emission related malfunction Manifold Absolute Pressure MAP Absolute pressure of the intake manifold air Manifold Absolute Pressure MAP Sensor Sensor located in the ECM and ported to the intake manifold Manifold Surface MST Mass Air Flow MAF System which provides information on the mass flow rate of the intake air to the engine Mass Air Flow Sensor MAF Sensor Hot-wire sensor which monitors air flow into the intake manifold for fueling and ignition Maximum max. Meter (measurement) m Metric (screw thread, e.g. M Microfarad MFD Unit of electrical capacitance, one millionth of a farad Millimeter mm Millimeter of mercury mmHg Millisecond ms Minimum min. Minute minute Model year MY Motorized In-Car Aspirator MIA Device which constantly samples cabin temperature by passing air over a sensor, and Multi Protocol Adapter MPA An interpreter for the various data languages present on a vehicle National Institute of NIOSH Newton N SI unit of force. 1 N = 0.2248 pounds force Newton Meter Nm SI unit of torque. Must not be confused with nm (nanometer) Nox Compounds of nitrogen and oxygen formed at high temperatures. Major source of Non-Volatile Random NVRAM RAM which retains memory even if power supply is interrupted Normally aspirated N/A Fueling system using intake air at atmospheric pressure; not supercharged or Normally Closed NC Normally Open NO North American NAS Vehicles for sale in the USA and Canadian markets Number No. Occupational Safety and OSHA |