ACCAdaptive cruise controlADPCMAdaptive differential pulse coded modulationAF (ALTERNATIVE FREQUENCY)Car radio function that permits automatic switching to the frequency with best reception during reception of an RDS programme broadcast by several stations at a different frequencyAMAmplitude modulation (MW, SW and LW)ASAutomatic store (tuner)ASRAutomatic voice recognition deviceATAPIAdvanced technology attached package interface (commonly used for hard discs and CD players)BALANCECar radio function that is used to distribute sound between the right and left speakers.BASSCar radio function that allows adjustment of sound properties (Bass Tones)CANController Area Network (data bus system)CBCell broadcast (SMS transmission system)CCAudio casetteCCAFront control unit (front control panel)CCPRear control unit (climate control system basic control panel)CDCompact discCDCCD changerCDDCD playerCLIPCalling line identification presentationCLIRCalling line identification restrictionCOLPConnected line identification presentationCOLRConnected line identification restrictionCONNECT Nav +Commercial designation of a new telecommunications system designed to allow continuous connection with Service and Emergency services, see: Info Telematic NodeCPUCentral Processing UnitCVBSComposite burst video signal (video standard)DSP (Digital Sound Processor)Digital sound processorDTCFault diagnosis code (KWP2000)DTMFTwo-tone multifrequency signalECUElectronic code unitEMCElectromagnetic compatibilityEOLEnd of lineEONCar radio function that briefly interrupts radio station currently tuned in to receive information on traffic and road access from other radio channels.ESDElectrostatic dischargeETTEstimated trip timeFADERCar radio function that is used to adjust sound distribution between the front and rear speakers.FMRadio transmission frequency with wavelengths between 8705 and 108 MHzGPS (Global Positioning System)The GPS (Global Positioning System) is a consellation of satellites that orbit the earth transmitting time and position information at every point on the earth 24 hours a day.This information may be received and used by a special GPS receiver. The purpose of the system is to allow all users to establish their individual position on the earth’s surface.The GPS satellite constellation consists of 24 satellites arranged over 6 orbital planes that are angled at 60 to the equator at an average distance of 20,000 km, with an orbital period of about 12 hours.The system was developed for military purposes by the US Defence Ministry. It guarantees an overall, continuous positioning service. A portion of the system is also allocated for civilian use.Three satellites are required to detect a two dimensional position (longitude and latitude) while information on altitude can also be received with a fourth satellite.GSMCommunications standard for mobile communication devices (GSM = Global System for Mobile Communication), currently distributed in about 90 countries. Benefits from excellent territorial coverage.MMIMan-machine interfaceHHigh signal on a CAN networkHW, H/WHardwareIDISIntegrated driver information systemIMEIInternational identifications for mobile station equipmentIRInfraredIrDAInfrared data association (that defines standards for data transmission via infrared beams)ISOInternational Standard OrganisationL Low signal on a CAN networkLCD (Liquid Crystal Display)Liquid crystal display screenLOUDNESSCar radio function that allows sound to be improved by turning up the bassLWRadio transmission frequency with wavelengths between 153 and 279 MHzMICMicrophoneMWRadio transmission frequency with wavelengths between 531 and 1602 MHzN.I.T.( Info Telematic Node)Integrated car monitoring data management and display system (e.g. Check control, Trip, Radio, Navigation System, Telephone, Vehicle Set-Up)NBCOn-board computer nodeNCLClimate control system node (climate control system control node)NITInfo telematic nodeOSOperating systemPIProgramme identification (FM tuner)PIN ( Personal Identification Number )Personal identification numberPOI (Point of interest)An information sequence is keyed in in order to select a particular point of interest (on which information can be obtained).PS, PSNProgramme service name (FM tuner)PTTTalk premiumsPTYCar radio function that allows programme type selection with RADIO mode on e.g. NEWS (news broadcasts, AFFAIRS (politics and events), etc. for radio stations that provide this type of information.PTY31Extraordinary event alarms (e.g. floods, earthquakes) that are broadcast by enabled radio stations.PUKPIN unlocking code (used to unlock a SIM GSM card after entering an incorrect PIN on three consecutive occasions)RCCalculation of the routeRDS (Radio Data System) Radio system for broadcasting data together with radio signals from FM stations in a range from 87.5 to 108.0 MHzRG (Route Guidance )Route guidance in the form of voice message and written messages.RGB (Red, Green, Blue)Red, green and blue: three three basic colours used to make up colour video images: each image is the sum of three constituent R, G and B signalsRTCReal time clockSDVSpeed dependent volumeSIM (Subscriber Identification Mobile)Subscriber identification module (for GSM phones)SMS ( Short Mesage System )Short message service (part of GSM system)SMSCSMS centreSW, S/WSoftwareSoftkeysReconfigurable key, i.e. a key that modifies its function according to the active operating mode. Used for the Connect commands.TARadio device function that allows reception of traffic information broadcasts regardless of current radio operating mode. CD play is interrupted and the volume increases automatically.TFT (Thin Film Transistor)Transistorised active matrix technology, used in the construction of LCD displays. This solution allows high image definition and very good legibility when viewed from the side.TITraffic informationTMCTraffic message channel (FM tuner)TP (Traffic Program)Specific signal of an RDS station that transmits periodic traffic newsTREBLECar radio function that allows adjustment of sound properties (Treble Tones)TTFFTime to first point (time required for the GPS receiver to make an initial position calculation)TVTelevisionUTCUniversal time co-ordinateVCSVoice command system
SPECIFICATIONS
General remarks
CONNECT Nav + (from now on referred to as N.I.T. for simplicity) consists of an electronic control unit located in the middle of the facia. This includes information, communication, audio/video and climate control system programming functions (for a description of climate control functions).Il CONNECT Nav +. is equipped with a front panel connected to the main electronic unit. This includes a multifunction display and a series of control buttons used to activate the individual functions.CONNECT Nav + allows a more rational approach to vehicle controls. It allows the driver a more relaxed drive and makes it easier to operate the controls.The system is fitted in the middle of the facia and may be used easily by the driver and passenger. It includes the following systems/services:
radio, with tape player and CD player/changer;
TV tuner;
trip computer;
check control display;
GSM radio phone wiht voice recognition module;
voice mail
navigation system.
vehicle set-up (door open/close programming, seat position adjustment/store, supplementary heater system programming, parking brake mechanism etc.)
The Info Telematic Node manages the following tasks:
receives and sends information on the B-CAN line (e.g.: diagnosis, warning lights, controls, data)
adds commands for interaction with the various menus
manages a high definition colour display for navigation or TV
connects with facia wiring for connection to the vehicle electrical system
connects with communications wiring for point/point connection of TV tuner , rear TV camera, video cassette player
set-up for connection with components such as DVD, rear multivideo screens etc.
interfaces with GPS, GSM and radio aerials by means of coaxial leads
The infotelematic node features a thermal protection function that restricts its operation as internal temperature increases. This prevents permanent damage to the system.The system is fully operational for interior temperatures lower than 85 °C.Because normal system operation gives rise to a temperature increase of 20 °C despite a cooling fan in the rear of the NIT, the system interior reaches a limit temperature that leads to deactivation with a passenger compartment temperature of about 65 °C.
Self-diagnosis
The system comes with a self-diagnostic function that checks whether the NIT unit is correctly connected to all external components.Access to self-diagnostic mode is achieved by pressing the "MAIN" button (1) for at least 10 seconds.
The following components/signals can be diagnosed by means of this function:
External signal amplifier
"Coolant level low" signal [F010]
"Window washer level low" signal [F011]
+15 signal [F040]
Exterior lighting sensor activation level signal [F044]
NIT buttons [F153]
CD changer [F156]
Microphone [F160]
Aerial, phone module and SIM GSM card reader [F166]
TV tuner and aerial series [F172]
GPS receiver and aerial [F174]
CD reader and navigation CD [F174]
Telephone handset
Speakers
Infrared remote control (IR)
Radio aerial
EOL test mode is used to check whether the NIT unit has been connected to all exterior components following system installation on the vehicle.It is not therefore necessary to carry out an operation test on the finished system.
Entering test mode
Press the MAIN button for at least 10 seconds to enter EOL test mode.Two different test modes may be selected on the main test mode page.
The menu opens at the status page, i.e. the first menu item, upon access to EOL test mode.
Exiting test mode
The system returns to normal mode if no test page is selected for 10 seconds.Test mode is also abandoned if vehicle speed exceeds 7 km/h.If vehicle speed is lower than this threshold, test mode may be abandoned only from the main diagnosis page. This is done by pressing the exit button or waiting for the time period mentioned previously to elapse.
Visual representation of test results
In test mode, these take the form of a limited number of instructions in text format.Positive or negative test outcomes are indicated by means of colour (green or red).Symbols for tests that may not or must not be carried out yet (e.g. button test) are indicated in yellow.Tests that cannot be carried out automatically (e.g. TV tuner) must be confirmed manually.The person who carries out the tests must press the "passed" or "failed" test button in this case.
Storing test results
Test results must be stored in a non-volatile memory so that they can be read by the tester at a later stage.Test mode exit date and time are also stored if valid date and time data are available and at least one test procedure has been carried out in the current test mode cycle.
Display impementation
In test mode, the display may not be turned on or off on the basis of ignition key position.
Status page
The status page displays all tests that may be carried out automatically. It also shows signal status depending on exterior component availability. e.g. CD changer, TV tuner, telecommunications unit.
External signal amplifier
The status page shows feedback signal status. This indicates whether the car is fitted with a low or high range sound system (BOSE).
Coolant level too low signal [F010]
The status page displays a "low coolant level" signal status, that is transferred from the interface processor to the main processor.
Screen washer fluid level too low signal [F011]
The status page displays a "low screeen washer fluid level" signal status, that is transferred from the interface processor to the main processor.
+15 signal [F040]
The status page displays ignition signal status. The display and background lighting cannot be deactivated when the signal is turned off.
Exterior light sensor activation level signal [F044]
The status page displays selected activation level in the form of a number of steps (1, 2, 3) and measured voltage level. This is transferred from the interface processor to the main proce
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