A149a Car access system

Plug connector overview

NumberX-pin, colourDescription
X1337641-pin, blackComponent connector Car access system
X1031814-pin, blackComponent connector Car access system

Pin assignments at plug connector X13376

PinTypeDescription / Signal typeConnection /
Measuring notes
1ASignal, terminal 30GJunction box
   
2ASignal, terminal RBrake light switch
   
3ASignal, terminal RClutch switch module
   
4ATerminal RSeat occupancy recognition
   
5ASignal, terminal RMultiple restraint system control unit
   
6 Not used 
   
7ASignal, terminal 15petrol engine Power-saving relay, terminal 15 diesel engine Hot-film air mass meter
   
8ASignal, terminal 15Junction box
   
9ASignal, terminal 15Fuel heater
   
10ASignal, terminal 15Towing hitch release
   
11ASignal, selector lever interlock sensorGear indicator lighting
   
12MGroundGround point
   
13ASignal, terminal 15OBDII socket
   
14ASignal, terminal 15Footwell module
   
15 Not used 
   
16 Not used 
   
17 Not used 
   
18AWake-up signal, terminal 15Active cruise control
   
19AWake-up signal, terminal 15Connector , terminal 15 wake-up signal
   
20ASignal, electronic vehicle immobilizerDME control unit DDE control unit I/master
   
21ETerminal 30Fuse F51
   
22ASignal, starter terminal 50Starter
   
23AVoltage supply Electric steering column adjustmentElectric steering column adjustment
   
24MGround Electric steering column adjustmentElectric steering column adjustment
   
25MGroundGround point
   
26A/ESignal, CAN-busCAN-bus connector
   
27 Not used 
   
28ASignal, engine startDME control unit DDE control unit I/master
   
29ESignal, centre lockJunction box
   
30A/EPA bus signalPA bus connector
   
31EConditioned wheel speed signalDynamic stability control (DSC)
   
32EBrake light test signalBrake light switch
   
33ESignal, remote control servicesAerial diversity
   
34ETerminal 30Fuse F4
   
35A/ESignal, CAN-busCAN-bus connector
   
36 Not used 
   
37ATelephone ON signalTelephone transceiver
   
38ESignal, front lid contactBonnet contact
   
39ERear lid open signalRear lid release switch (interior)
   
40ESignal, hotel switchJunction box
   
41Emanual transmission Signal, start lock switchClutch switch module
   
41Eautomatic transmission Signal, parked positionTransmission control
   

Pin assignments at plug connector X10318

PinTypeDescription / Signal typeConnection /
Measuring notes
1A/ESignal TX/RXSlide-in compartment
   
2A/ESignal TX/RXSlide-in compartment
   
3A/ESignal TX/RXSlide-in compartment
   
4A/ESignal TX/RXSlide-in compartment
   
5A/ESignal TX/RXSlide-in compartment
   
6A/ESignal TX/RXSlide-in compartment
   
7A/ESignal TX/RXSlide-in compartment
   
8A/ESignal TX/RXSlide-in compartment
   
9A/ESignal TX/RXSlide-in compartment
   
10A/ESignal TX/RXSlide-in compartment
   
11A/ESignal TX/RXSlide-in compartment
   
12A/ESignal TX/RXSlide-in compartment
   
13A/ESignal TX/RXSlide-in compartment
   
14A/ESignal TX/RXSlide-in compartment