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Motronic Me1.5.5 Pinouts And Vx Looms


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#1 siztenboots

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Posted 18 May 2016 - 02:37 PM

TeamVXRacing - Datasheet of X31 and X32 ECU/engine looms and common fault connections
 
2x 64-way connectors , BMK 0.6 terminals ( https://www.bosch-co...earch?q=bmk 0.6 )
 
Systems VX220 loom X31 - Engine Z20LET 
Components 
pin 21, pin 54, pin 22, pin 4, pin 37, common pin 5  B19 Sensor - Pedal position -> X3
pin 23, pin 53, common pin 5  B110 Sensor - Atmospheric pressure 
pin 51  FB20 -> X2
pin 18  FB8 -> X3 #VT
pin 20  STA "111"-INS "733"  -> X2
pin 35  INS "718"  -> X2 #GNBU = PWM? Coolant sensor signal for dashboard LCD
pin 13  INS "743" -> X3 #BNBU
pin 57  SLS "428"  -> X2
pin 25  SLS "429"  -> X2
pin  8  CLS "439"   -> X2
pin 29  MK "1143"  -> X2 -> ground control for K13 rad fan relay
pin 45  Z20LET "944"  K82 pin 4 Relay - Pump, coolant additional M55 - -> X3 #VTOG
pin 59  WEG "1243" - Vehicle speed signal (ABS) - -> X3 #YEGY
pin  2  IMO "1433" -> X3 #WHYE
pin 19  K18 pin 4  Relay - Engine control unit  -> X2
pin 49-33-17  K18 pin 3  Relay - Engine control unit  -> X2 (p17 -> X33)
pin 62  K16 pin 4  Relay - Fuel pump  -> X2

pin11 optional canbus
pin32 optional canbus
 
 
Systems VX220 loom X32 - Engine Z20LET 
Components 
pin 45 common shield, common "932", pin 49, pin 25+8  B117 Sensor - Oxygen, mixture control, heated 
pin 45 common shield, common "932", pin 17, pin 41+57  B118 Sensor - Oxygen, catalytic converter check 
common "932", pin 35 Y8 Solenoid valve - Boost pressure regulation 
pin 9 common, pin 7 common, "932" common, pin 6 B46  Air mass meter 
pin 9 common, pin 7 common, pin 22, pin 55 B21 Sensor - Absolute pressure, intake manifold 
pin 7 common, pin 7+36, pin 45 common shield  B35 Sensor - Camshaft 
pin 45 common shield, pin 42 #GYBK , pin 10 #GYRD B34 Impulse sensor - Crankshaft 
 
pin 9 common, pin 38 B61 Sensor - Coolant temperature (gauge) 
pin 15, pin 32, pin 31, pin 16 T1  Ignition coil - Direct ignition 
C1 Condensor - Ignition coil 
 
pin 21+37  B30 Sensor - Knock control 1 
pin 11-43, pin 28-60, pin 39, pin 56, pin 23, pin 58  Y11 Throttle valve - Positioner 
pin 50  Y2 Actuator - Recirculation 
 
pin 31, X31 pin 3 common  Y9.1 Injection valve - Cylinder 1 
pin 18, X31 pin 3 common  Y9.2 Injection valve - Cylinder 2 
pin  2, X31 pin 3 common  Y9.3 Injection valve - Cylinder 3 
pin 34, X31 pin 3 common  Y9.4 Injection valve - Cylinder 4 
pin 33, X33 pin 6-"932" common  Y5 Solenoid valve - Tank ventilation 
 
info: pin x+y = means pins x and y are in a shielded cable
pin x-y = means pins x and y are connected
 
Abbreviations 
INS Instrument  MKM Engine cooling module 
CLS Clutch switch SLS Stop lamp switch 
TC Traction control WEG Vehicle speed signal 
ESP Electronic stability program
#WHYE - wiring WhiteYellow
 
updated the loom X2 and X3 connector for X31 ecu plug
 
Thanks to Mike for his excellent compiled wiring diagram PDF

#2 siztenboots

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Posted 25 January 2017 - 12:25 PM

I seem to have misplaced part of my x31 ecu plug loom, but took some pictures b6d (starter motor, alternator, main chassis earth, knock sensor)

 

ECU X31 bottom (with atmo p sensor) , X32 top
 

Posted Image

 

b6d loom

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k6x loom - ecu X32 plug

Posted Image



#3 garyk220

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Posted 25 January 2017 - 07:33 PM

Do you need any photos of the X31 loom or any of the plugs? Mine is in a box upstairs at the moment.



#4 siztenboots

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Posted 27 January 2017 - 07:15 AM

Do you need any photos of the X31 loom or any of the plugs? Mine is in a box upstairs at the moment.

Yes please they are a real pain to photo on the car in situ Need to confirm colour of x2 x3 plugs

#5 garyk220

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Posted 27 January 2017 - 09:45 PM

OK no problem, will get some photos at the weekend. PM me an email address and I will send them over.



#6 siztenboots

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Posted 28 January 2017 - 08:06 AM

details



#7 garyk220

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Posted 28 January 2017 - 03:06 PM

Zip file with several photos and a list of the wiring colours on the X2 and X3 plugs sent.



#8 siztenboots

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Posted 03 February 2017 - 11:29 AM

ecu plug details

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#9 siztenboots

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Posted 04 December 2017 - 08:39 AM

I see the ecu pictures have gone, thats helpful



#10 siztenboots

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Posted 04 December 2017 - 12:14 PM

pictures of the two ecu plugs,
 
tvxr ecu plugs
 
Atmospheric barometer sensor plug , x31 left ,  x32 right , in situ . Earth wire hiding behind.
 
Security bolt and bracket drilling out
 
The 3rd ecu is just my spare with the K6X label
 
 
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#11 siztenboots

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Posted 17 January 2018 - 05:22 PM

pin 1 identification
mos = marked on side
moi = concealed marked on inside rubber boot
mop = concealed marked on pin socket
 
 
K6X loom order by furthest to nearest ECU plug X32
 
plug 1 , B3 oil sump level sensor 2way mos - pin 1 Brown , pin 2 Green-Brown 
plug 2 , Y8 boost control solenoid 2way mos , pin 1 Green-Brown , pin 2 Brown
 
plug 3 , Y5 fuel tank venting solenoid loom extension X37 , 2way , pin1 Red-White , pin2 Brown-red
plug 4 , B34 crank sensor 3way sealed mos, pin1 grey-black, pin2 grey-red, pin3 shield
plug 5 , X36 tmap B46 loom extension 5way moi , pin 1 unused , pin2 red-white, pin3 brown , pin4 red , pin 5 blue-white
 
plug 6 , Y11 throttle body, 6way , mop 
 
plug 7,8,9,10 , injectors 2way mos , common splice small red-blue into big red-blue , supply voltage
plug 7, Y9.1 inj#1, pin 1 red-blue , pin 2 brown-red
plug 8, Y9.2 inj#2, pin 1 red-blue , pin 2 brown-blue
plug 9, Y9.3 inj#3, pin 1 red-blue , pin 2 brown-green
plug 10, Y9.4 inj#4, pin 1 red-blue , pin 2 brown-yellow
 
plug 11 , B35 camshaft sensor 3way moi, pin1 shield, pin2 yellow, pin3 yellow-black
 
plug 12 , T1 coilpack 6way moi , pin 1 brown, pin2 black shield, pin3 white, pin4 yellow, pin5 green, pin6 blue
plug 13 , C1 ignition condenser 1way , black , capacitor engine block
plug 14 , B30 knock sensor , 2way , pin1 brown, pin2 brown-green
 
plug 15 B117 fuel lambda sensor 4way moi, pin1 red-white, pin2 blue-brown, pin3 brown-black, pin4 brown-white
 
plug 16 X33 grey plug plus spade connector brown , 6way mos , pin1 brown-green, pin2 brown-white (recirc solenoid ground loom extension X34), pin3 red-blue (fuel pump and injectors supply voltage from K16) , pin4 unused, pin5 black (FB20 10amp supply to ignition coil and suppressor), pin6 large red-white (supply voltage fuel tank solenoid from K18)
 
plug 17 B118 cat lambda sensor 4way moi, pin1 red-white, pin2 blue-brown, pin3 brown-black, pin4 brown-white
 
plug 18 B61 coolant level 2way, pin1 brown-blue , pin2 brown
 
plug 19 X35 loom extension B21 air mass meter 4way moi , pin1 brown, pin2 green-brown, pin3 red, pin4 blue-white
 
plug 20 ECU X32


#12 siztenboots

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Posted 10 February 2018 - 05:12 PM

last update 4th June 2018
 
X2 "Blue"
pin 1 12v supply from K18 relay to ecu
pin 2 INS733 and STA111
pin 3 12v supply from K16 relay (fuel pump and injectors)
pin 4 12v supply from FB20 10amp , #GNGY to coil pack via X33 pin 5 , #BK to coilpack
pin 5 12v supply from FB20 10amp , #GNGY to ecu X31 pin 51 (Z20LET) 
pin 6 12v supply from FB7 10amp, to Y2 recirc solenoid
pin 7 CLS439 Switch - Clutch Pedal
pin 8 ground control to energise K16 relay, Fuel pump and injectors
pin 9 INS718 Indicator - Coolant temperature
pin 10 SLS428 Switch - Stop lamp, double nc
pin 11 SLS429 Switch - Stop lamp, double no
pin 12 ground control to energise K18 relay
pin 13 MK1143 ground control to energise K13 relay, Radiator fan
 
X3- "Black"
pin 1 Pedal pin 1 YE to X31 pin4
pin 2 Pedal pin 2 GN to X31 pin21
pin 3 Pedal pin 3 BU to X31 pin54
pin 4 Pedal pin 4 BK to X31 pin22
pin 5 Pedal pin 5 WH to X31 pin5
pin 6 Pedal pin 6 BN to X31 pin37
pin 7 944 ground control signal to energise relay K82 aux pump VT/OG
pin 8 B3 Switch - Oil pressure Instrument H1.2  BN/BU
pin 9 IMO1433 Immobiliser WH/YE
pin 10 INS743 Immobiliser Telltale - Engine BN/BU
pin 11 Vehicle speed WEG1243 YE/GY 
pin 12 Alternator D+
pin 13 Fuse 7.5A FB8 

 



#13 Aerodynamic

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Posted 19 January 2022 - 09:55 PM

How do I know where these 2 pins are going on the K6x connector?

cyS4EwO.jpg

 

Br, Per



#14 Arno

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Posted 20 January 2022 - 09:03 AM

Check the schematics?

 

https://www.speedste... Z20LET - 1.pdf

 

https://www.speedste... Z20LET - 2.pdf

 

Bye, Arno.






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