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中央控制器的功能介绍.doc

1、STROUDLEY ROAD DANESHILL IND EST BASINGSTOKE HAMPSHIRE RG24 8UG DRAWN BY BJ & GS APPROVED BY & MAY SCOFIELD LONDON TAXIS INTERNATIONAL LTD (LTI) ELECTRICAL SPECIFICATION & CONNECTOR INTERFACE DETAILS FOR THE CENTRAL CONTROL UNIT & ANCILLAR

2、IES Lower Cost VERSION – MASIE 2 Includes Euro III & IV Engine support GENERAL ELECTRICAL SPECIFICATION MINIMUM OPERATING VOLTAGE 9V (at CCU) MAXIMUM OPERATING VOLTAGE 16V (at CCU) NOMINAL OPERATING VOLTAGE (engine off) 12.5V (at battery) NOMINAL OPERATING VOLTAGE

3、 (engine on) 14.4V (at battery) TARGET QUIESENT CURRENT FOR CCU <20mA LOAD DUMP PROTECTION <40V for 400mS All power ratings of lamps are nominal @ 12V. Current consumption figures presented in this document should be measured with the vehicle operating voltage of 14.4V as measured at the bat

4、tery terminals whilst the engine is running. TRANSIT LINK HARNESS – CCU must power up normally when the normal battery signal is removed and only and Ignition feed is provided. NOTE 1 : The information presented in this document provides all pinout options. These features are not necessarily p

5、rovided for all market variations. NOTE 2 : Where possible unique connectors have been chosen to eliminate the possibility of the incorrect cable being used. Where this has not been possible it is required that the wiring loom is manufactured in such a way that it is very difficult to insert a pl

6、ug in the wrong socket. NOTE 3 : The AMP 070 series of connectors have current limitations per pin according to the information provided below (supplied by the manufacturer). Multiple contacts have been provided where high current circuits connect to the ECU. It is the responsibility of the vehic

7、le manufacturer to ensure that the multiple contacts are used appropriately so that individual contacts are not overstressed. Wire size (mm2) Maximum current (Amps DC) 0.2 6 0.3 8 0.8 11 0.85 15 1.25 19 Number of positions Reduction coefficient 1 1 2-3 0.75 4-5 0.6 6-8 0.55

8、 9-12 0.5 13 and over 0.4 NOTES - ALL ECU CONNECTORS ARE CAP HOUSINGS (PLUG TYPE BLADE CONTACTS IN A SOCKET RECEPTACLE BODY) The following table shows the inputs required by the various parts of the system in order to generate the required outputs ‘MOM’ indicates that the input comes

9、 from a ‘biased off’ switch, button or pulsed signal that may only activate for a short time (EG the front wiper park signal would signal would only occur as the wiper passed through the park position) ‘CONT’ indicates that the input comes from a latching type switch or continuous signal when activa

10、ted) :- TABLE 1 STATIC SIGNALS – EG SWITCH INPUTS ETC INPUT NUMBER INPUT DESCRIPTION SWITCH TYPE ( HIGH / LOW, MOM / CONT ) SIGNAL TYPE/LEVEL MIN SWITCH CONTACT CURRENT REQUIRED COMMENTS 1 INDICATOR STALK LEFT LOW CONT 0V EARTH 15mA LOW = FLASH 2 INDICATOR STALK RIGHT LOW CONT

11、 0V EARTH 15mA LOW = FLASH 3 LIGHTS SWITCH SIDE HIGH CONT + BATT 5mA HIGH = ON 4 LIGHTS SWITCH MAIN HIGH CONT + BATT 15mA HIGH = ON 5 LIGHTS FRONT FOG HIGH CONT + BATT 15mA HIGH = ON 6 ** IGNITION SWITCH HIGH CONT + BATT 5mA HIGH = ON 7 ** ACCESSORY SWITCH HIGH CONT +

12、BATT 5mA HIGH = ON 8 ** VEHICLE BATTERY DIRECT DC + BATT INTERNAL SUPPLY 9 REVERSE GEAR SWITCH HIGH CONT + BATT 5mA HIGH = REVERSE 10*** FOOTBRAKE SWITCH HIGH CONT + BATT 10A HIGH = BRAKING 11 INTERCOM ENABLE HIGH CONT + BATT 15mA HIGH = ENABLE 12 TAXIMETER ‘STOPPED’ H

13、IGH CONT + BATT 5mA HIGH = STOPPED 13 MAIN BEAM SWITCH INPUT HIGH CONT + BATT 5mA HIGH=ACTIVE 14 WASHER FRONT LOW MOM 0V EARTH 15mA LOW = WASH 15 LIGHTS REAR FOG LOW MOM 0V EARTH 15mA LOW = ON 16 WASHER REAR LOW MOM 0V EARTH 15mA LOW = ON 17 WINDOWS FRONT LEFT UP LOW

14、MOM 0V EARTH 15mA LOW = UP 18 WINDOW FRONT LEFT DOWN LOW MOM 0V EARTH 15mA LOW = DOWN 19 WINDOW FRONT RIGHT UP LOW MOM 0V EARTH 15mA LOW = UP 20 WINDOW FRONT RIGHT DOWN LOW MOM 0V EARTH 15mA LOW = DOWN 21 WINDOWS REAR LEFT UP LOW MOM 0V EARTH 15mA LOW=UP 22 WINDOWS REAR

15、LEFT DOWN LOW MOM 0V EARTH 15mA LOW=DOWN 23 WINDOWS REAR RIGHT UP LOW MOM 0V EARTH 15mA LOW=UP 24 WINDOWS REAR RIGHT DOWN LOW MOM 0V EARTH 15mA LOW=DOWN 25 HEATED REAR SCREEN LOW MOM 0V EARTH 15mA LOW = ON 26 CDL FRONT LOCK LOW MOM 0V EARTH 15mA LOW = LOCK 27 CDL FRONT

16、UNLOCK LOW MOM 0V EARTH 15mA LOW = UNLOCK 28 CDL REAR LOCK LOW MOM 0V EARTH 15mA LOW = LOCK 29 CDL REAR UNLOCK LOW MOM 0V EARTH 15mA LOW = UNLOCK 30 CDL ALL LOCK LOW MOM 0V EARTH 1mA LOW = LOCK 31 CDL ALL UNLOCK LOW MOM 0V EARTH 1mA LOW = UNLOCK 32 ** VEHICLE GROUND

17、 0V EARTH INTERNAL SUPPLY 33 WHEELCHAIR BELT SWITCH LOW CONT 0V EARTH 15mA LOW = WARNING 34 HAZARD SWITCH LOW CONT 0V EARTH 15mA LOW = FLASH 35 DOOR FRONT RIGHT SWITCH LOW CONT 0V EARTH 15mA LOW = OPEN 36 DOOR FRONT LEFT SWITCH LOW CONT 0V EARTH 15mA LOW = OPEN 37 DOOR

18、REAR RIGHT SWITCH LOW CONT 0V EARTH 15mA LOW = OPEN 38 DOOR REAR LEFT SWITCH LOW CONT 0V EARTH 15mA LOW = OPEN 39 BONNET SWITCH LOW CONT 0V EARTH 15mA LOW = OPEN 40 BOOT SWITCH LOW CONT 0V EARTH 15mA LOW = OPEN 41 WIPER FRONT FAST LOW CONT 0V EARTH 15mA LOW = ON 42 WIPE

19、R FRONT SLOW LOW CONT 0V EARTH 15mA LOW = ON 43 WIPER FRONT INTERMITTENT LOW CONT 0V EARTH 15mA LOW = ON 44 WIPER REAR INTERMITTENT LOW CONT 0V EARTH 15mA LOW = ON 45 WIPER REAR SLOW LOW CONT 0V EARTH 15mA LOW = ON 46 MOTION LOCK RIGHT OK LOW CONT 0V EARTH 15mA LOW = LOCK

20、ED 47 MOTION LOCK LEFT OK LOW CONT 0V EARTH 15mA LOW = LOCKED 48 LOW WASHER SENSOR LOW CONT 0V EARTH 15mA LOW = WARNING 49 FRONT INTERIOR LAMP SWITCH LOW CONT 0V EARTH 15mA LOW = ON 50 REAR INTERIOR LAMP SWITCH LOW CONT 0V EARTH 15mA LOW = ON 51 DRIVERS SEAT BELT LOW CONT

21、 0V EARTH 15mA LOW=BELT ENGAGED 52 KEYSWITCH LOW CONT 0V EARTH 15mA LOW=ACTIVE 53 HANDBRAKE LOW CONT 0V EARTH 5mA LOW=ACTIVE ** means signal is used for internal ECU power feed. *** input used to power brake lamps as well as signal to ECU for motion locking. NOTE: Switch wetting

22、 current can be reduced if the switch is permanently attached to an external load, e.g lamp, motor. ECU only needs to provide a pull up/down in the event that the load is disconnected. Minimum wetting current specified with a supply Voltage of 12V to the ECU. TABLE 2 DYNAMIC SIGNALS – EG AC AUDI

23、O, DC PULSED ETC INPUT NUMBER INPUT DESCRIPTION SIGNAL FORM SIGNAL TYPE/LEVEL VOLTAGE RANGE COMMENTS 54 SPEED TRANSDUCER SIGNAL (+) DIGITAL PULSE TRAIN <11V PK SQ WAVE - 55 ENGINE MANAGEMENT INPUT DIGITAL OPEN COLLECTOR CCU PULL UP TO 12VOLTS 56 FRONT WIPER INTERMITTENT SPEED

24、 CONTROL ANALOGUE RESISTANCE WRT GROUND 1K OHMS MIN TO 0 OHMS MAX ADC INPUT 57 MICROPHONE FRONT SIGNAL IN + BIAS OUT ANALOGUE AUDIO <10mVac - 58 MICROPHONE FRONT SCREEN - - GROUND - 59 MICROPHONE REAR LEFT SIGNAL IN + BIAS OUT ANALOGUE AUDIO <10mVac - 60 MICROPHONE REAR LEFT

25、 SCREEN - - GROUND - 61 MICROPHONE REAR RIGHT SIGNAL + BIAS ANALOGUE AUDIO <10mVac - 62 MICROPHONE REAR RIGHT SCREEN - - GROUND - 63 ULTRASONICS RX HIGH ANALOGUE DC LEVEL (OUT) WITH SUPERIMPOSED CURRENT MODULATED INPUT (VIOLATION INPUT) >11VDC RX POWER (OUT), AND SIGNAL INPUT

26、 64 ULTRASONICS RX LOW ANALOGUE DC LEVEL (OUT) WITH SUPERIMPOSED CURRENT MODULATED INPUT (VIOLATION INPUT RETURN) <1VDC RX POWER (OUT), AND SIGNAL INPUT RETURN 65 ULTRASONICS RX SCREEN - - GROUND MAY NOT BE REQUIRED – INCLUDE FOR ‘BELT AND BRACES’ 66 INTERCOM VOLUME FRONT SIGNAL ANA

27、LOGUE DC 2 mA CONSTANT CURRENT FEED - 67 INTERCOM VOLUME GROUND - - GROUND - 68 USB DIAGNOSTICS COMMS USBDP DIFFERENTIAL SIGNAL POSITIVE BI DIRECTIONAL DIGITAL USB 4.9 VOLTS PEAK WRT GROUND - 69 USB DIAGNOSTIC COMMS USBDM DIFFERENTIAL SIGNAL NEGATIVE,BI DIRECTIONAL DIGITAL U

28、SB 4.9 VOLTS PEAK WRT GROUND - 70 TOUCHKEY SIGNAL DIGITAL COMMS 5V PEAK WRT GROUND 71 TOUCHKEY RETURN GROUND SIGNAL RETURN 4.1.1 Outputs The following table details the outputs required from the main ECU:- OUTPUT NUMBER OUTPUT DESCRIPTION OUTPUT DRIVE SIGNAL VOLTAGE / C

29、URRENT REQUIREMENT COMMENTS 1 LEFT TURN INDICATORS/ HAZARDS AND LEFT INDICATOR TELLTALE SOLID STATE HIGH SIDE DRIVE 12VDC @ 4.1A CONTINUOUS, PEAK INRUSH CURRENT LIMITED TO <50A LAMPS = 2 x 21W + 1 x 5W +1 x 1.2W 1HZ FLASH RATE NOM, 2HZ FLASH RATE IF CURRENT DRAW <3.45A 2 RIGHT TURN INDIC

30、ATORS/ HAZARDS AND RIGHT INDICATOR TELLTALE SOLID STATE HIGH SIDE DRIVE 12VDC @ 4.1A CONTINUOUS, PEAK INRUSH CURRENT LIMITED TO <50A LAMPS = 2 x 21W + 1 X 5W + 1 x 1.2W 1HZ FLASH RATE NOM, 2HZ FLASH RATE IF CURRENT DRAW <3.45A 3 HAZARD TELLTALE INDICATOR SOLID STATE HIGH SIDE DRIVE 12VDC

31、@ 0.1A CONTINUOUS, CURRENT LIMITED TO <=1A MAX LAMPS = 1 x 1.2W MUST BE OPPOSITE PHASING TO LEFT/RIGHT INDICATOR TELLTALE 4 FRONT FOG LAMPS & TELLTALE LAMP SOLID STATE HIGH SIDED DRIVE 12VDC @ 10A CONTINUOUS, 100A MAX SURGE LAMPS = 2 x 55W + 1 x 1.2W 5 REAR FOG LAMP AND REAR FOG LAMP T

32、ELLTALE SOLID STATE HIGH SIDED DRIVE 12VDC @ 4A CONTINUOUS, 30A MAX SURGE LAMPS = 2 x 21W + 1 x 1.2W 6 WIPER FRONT FAST SOLID STATE HIGH SIDED DRIVE 12VDC @ 6A CONTINUOUS, 15A MAX SURGE DRIVES FAST WINDING ONLY 7 WIPER FRONT SLOW/ INTERMITTENT SOLID STATE HIGH SIDED DRIVE 12VDC @ 6A C

33、ONTINUOUS, 15A MAX SURGE DRIVES SLOW WINDING ONLY 8 WIPER FRONT PARK SWITCH 'COMMON' RETURN INPUT FROM WIPER MOTOR 12VDC @ 6A CONTINUOUS, 15A MAX SURGE FEEDBACK FROM MOTOR 9 WIPER REAR SLOW/ INTERMITTENT SOLID STATE HIGH SIDED DRIVE 12VDC @ 5A CONTINUOUS, 15A MAX SURGE DRIVES SLOW

34、WINDING ONLY 10 WIPER REAR PARK SWITCH RETURN INPUT FROM WIPER MOTOR 12VDC @ 5A CONTINUOUS, 15A MAX SURGE FEEDBACK FROM MOTOR 11 MOTION LOCK LEFT ACTUATOR DC INDUCTIVE, SOLID STATE, HIGH SIDE DRIVE 12VDC @ 1.5A CONTINUOUS, 10A MAX SURGE, ON = LOCKED 12 MOTION LOCK RIGHT ACTUATOR D

35、C INDUCTIVE, SOLID STATE HIGH SIDE DRIVE 12VDC @ 1.5A CONTINUOUS,10A MAX SURGE ON = LOCKED 13 FRONT COURTESY LAMPS DC, RESISTIVE, HIGH SIDE SOLID STATE PWM DRIVE 12V PULSED DC, MAX CURRENT 2A. SQUAREWAVE, WITH 0% TO 100% PWM VARIABLE MARK SPACE RATIO LAMPS = 26W. INSTANT ‘ON’ WITH SLOW

36、 ‘OFF’ FADE 14 REAR COURTESY LAMPS DC, RESISTIVE, HIGH SIDE SOLID STATE PWM DRIVE 12V PULSED DC MAX CURRENT 4A. SQUAREWAVE, WITH 0% TO 100% PWM VARIABLE MARK SPACE RATIO LAMPS = 40W INSTANT ‘ON’ WITH SLOW ‘OFF’ FADE 15 HEATED REAR SCREEN DC RESISTIVE, HIGH SIDE SOLID STATE DRIVE 12VDC

37、 @ 16A CONTINUOUS, CURRENT LIMITED TO <=22A MAX INCLUDES TELLTALE & HEATED MIRRORS 16 LEFT DIPPED BEAM HIGH SIDED SOLID STATE SWITCH 12VDC @ 5A CONTINOUS, CURRENT LIMITED TO >=5A MAX INRUSH CURRENT =50A LAMP = 55W HEADLAMP BULB 17 RIGHT DIPPED BEAM HIGH SIDED SOLID STATE SWITCH 12VDC @ 5

38、A CONTINOUS, CURRENT LIMITED TO >=5A MAX INRUSH CURRENT =50A LAMP = 55W HEADLAMP BULB 18 BRAKE LAMPS NOT SWITCHED CURRENT MONITORING ONLY 10A FUSED FEED FROM BRAKE PEDAL SWITCH LAMPS = 2 x 21W + 4 x 5W 19 WASHER FRONT/REAR HI SOLID STATE ‘H’ BRIDGE 12VDC @ 6A CONTINUOUS, 10A MAX SURGE B

39、IPOLAR PUMP DIRECTS FLOW TO FRONT OR REAR 20 WASHER FRONT/REAR LO SOLID STATE ‘H’ BRIDGE 12VDC @ 6A CONTINUOUS, 10A MAX SURGE BIPOLAR PUMP DIRECTS FLOW TO FRONT OR REAR 21 WINDOW FRONT LEFT MOTOR HI SOLID STATE ‘H’ BRIDGE 12VDC @ CURRENT LIMITED TO 12A (SOFTWARE DEFINED) BIPOLAR BRIDGE M

40、OTOR DRIVE 22 WINDOW FRONT LEFT MOTOR LO SOLID STATE ‘H’ BRIDGE 12VDC @ CURRENT LIMITED TO 12A (SOFTWARE DEFINED) BIPOLAR BRIDGE MOTOR DRIVE 23 WINDOW FRONT RIGHT MOTOR HI SOLID STATE ‘H’ BRIDGE 12VDC @ CURRENT LIMITED TO 12A (SOFTWARE DEFINED) BIPOLAR BRIDGE MOTOR DRIVE 24 WINDOW FRONT

41、 RIGHT MOTOR LO SOLID STATE ‘H’ BRIDGE 12VDC @ CURRENT LIMITED TO 12A (SOFTWARE DEFINED) BIPOLAR BRIDGE MOTOR DRIVE 25 WINDOW REAR LEFT MOTOR HI SOLID STATE ‘H’ BRIDGE 12 VDC @ CURRENT LIMITED TO 12A (SOFTWARE DEFINED) BIPOLAR BRIDGE MOTOR DRIVE 26 WINDOW REAR LEFT MOTOR LO SOLID STATE ‘

42、H’ BRIDGE 12 VDC @ CURRENT LIMITED TO 12A (SOFTWARE DEFINED) BIPOLAR BRIDGE MOTOR DRIVE 27 WINDOWS REAR RIGHT MOTOR HI SOLID STATE ‘H’ BRIDGE 12 VDC @ CURRENT LIMITED TO 12A (SOFTWARE DEFINED) BIPOLAR BRIDGE MOTOR DRIVE 28 WINDOWS REAR RIGHT MOTOR LO SOLID STATE ‘H’ BRIDGE 12 VDC @ CURRE

43、NT LIMITED TO 12A (SOFTWARE DEFINED) BIPOLAR BRIDGE MOTOR DRIVE 29 CENTRAL DOOR LOCK FRONT MOTOR HI SOLID STATE ‘H’ BRIDGE 12VDC @ 8A TYPICAL PULSE (2 MOTORS) BIPOLAR BRIDGE MOTOR DRIVE 30 CENTRAL DOOR LOCK FRONT MOTOR LO SOLID STATE ‘H’ BRIDGE 12VDC @ 8A TYPICAL PULSE (2 MOTORS) B

44、IPOLAR BRIDGE MOTOR DRIVE 31 CENTRAL DOOR LOCK REAR MOTOR HI SOLID STATE ‘H’ BRIDGE 12VDC @ 8A TYPICAL PULSE (2 MOTORS) BIPOLAR BRIDGE MOTOR DRIVE 32 CENTRAL DOOR LOCK REAR MOTOR LO SOLID STATE ‘H’ BRIDGE 12VDC @ 8A TYPICAL PULSE (2 MOTORS) BIPOLAR BRIDGE MOTOR DRIVE 33 MOTION LOCK

45、LEFT DASH TELLTALE LAMP LOW SIDED SOLID STATE SWITCH 12VDC @ 0.1A CONTINUOUS, CURRENT LIMITED TO <=1A MAX LAMP = 1.2W MAX OR LED DRIVE 34 MOTION LOCK RIGHT DASH TELLTALE LAMP LOW SIDED SOLID STATE SWITCH 12VDC @ 0.1A CONTINUOUS, CURRENT LIMITED TO <=1A MAX LAMP = 1.2W MAX OR LED DRIVE 35

46、 MOTION LOCK SYSTEM ‘OK’ DASH TELLTALE LAMP LOW SIDED SOLID STATE SWITCH 12VDC @ 0.1A CONTINUOUS, CURRENT LIMITED TO <=1A MAX LAMP = 1.2W MAX OR LED DRIVE 36 LOW WASHER WARNING LAMP LOW SIDED SOLID STATE SWITCH 12VDC @ 0.1A CONTINUOUS, CURRENT LIMITED TO <=1A MAX LAMP = 1.2W MAX OR LED D

47、RIVE 37 ALARM SIREN COMMUNICATIONS COMMS SIGNAL 5V PK TO PK @ 20mA MAX BI-DIRECTIONAL COMMS 38 4028PPM SCALED TAXIMETER SIGNAL CURRENT LIMITED, LOW SIDE, SQUARE WAVE DRIVE WRT GROUND, WITH INTERNAL PULL-UP 12VDC PEAK SQUAREWAVE NO TAMPER PROTECTION REQUIRED BY PCO. 39 ULTRASONICS TX PO

48、WER HI SWITCHED POWER LINE 12VDC @ <20mA CPU CONTROLLED TX POWER LINE 40 ULTRASONICS TX POWER LO GROUND GROUND - 41 FRONT INTERCOM SPEAKER +VE ANALOGUE 12V PK to PK POWER FUSED WITH 2.5A THERMAL FUSE 42 FRONT INTERCOM SPEAKER –VE GROUND GROUND - 43 REAR INTERCOM SPEAKER +VE ANAL

49、OGUE 12V PK to PK - 44 REAR INTERCOM SPEAKER -VE GROUND GROUND - 45 INDUCTION LOOP +VE ANALOGUE 24V PK to PK - 46 INDUCTION LOOP –VE ANALOGUE 24V PK to PK - 47 BATTERY DISCHARGE PROTECTION LOW SIDED OUTPUT OUTPUT PULSED TO CONTROL BISTABLE RELAY NOT USED Siren – Connection

50、s external to CCU required 48 ALARM SIREN POWER PERMANENT DC SUPPLY 12V SUPPLY @ 1.5A MAX ONLY USED IF ALARM SYSTEM FITTED 49 ALARM SIREN GROUND 0V EARTH GROUND " KEY TO COLUMN ‘S’ (ACTIVE SIGNAL STATE) = HIGH SIDE SIGNAL, INPUT / OUTPUT SWITCHES TO +12V ¯ = LOW SIDE SIGNAL,

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