A149a Car access system

Plug connector overview

Number X-pin, colour Description
X13376 41-pin, black Component connector Car access system
X10318 14-pin, black Component connector Car access system

Pin assignments at plug connector X13376

Pin Type Description /Signal type Connection /Measuring notes
1 A Signal, terminal 30G Junction box
2 A Signal, terminal R Brake light switch
3 A Signal, terminal R Clutch switch module
4 A Terminal R Seat occupancy recognition
5 A Signal, terminal R Multiple restraint system control unit
6 Not used
7 A Signal, terminal 15 petrol engine Power-saving relay, terminal 15 diesel engine Hot-film air mass meter
8 A Signal, terminal 15 Junction box
9 A Signal, terminal 15 Fuel heater
10 A Signal, terminal 15 Towing hitch release
11 A Signal, selector lever interlock sensor Gear indicator lighting
12 M Ground Ground point
13 A Signal, terminal 15 OBDII socket
14 A Signal, terminal 15 Footwell module
15 Not used
16 Not used
17 Not used
18 A Wake-up signal, terminal 15 Active cruise control
19 A Wake-up signal, terminal 15 Connector , terminal 15 wake-up signal
20 A Signal, electronic vehicle immobilizer DME control unit DDE control unit I/master
21 E Terminal 30 Fuse F51
22 A Signal, starter terminal 50 Starter
23 A Voltage supply Electric steering column adjustment Electric steering column adjustment
24 M Ground Electric steering column adjustment Electric steering column adjustment
25 M Ground Ground point
26 A/E Signal, CAN-bus CAN-bus connector
27 Not used
28 A Signal, engine start DME control unit DDE control unit I/master
29 E Signal, centre lock Junction box
30 A/E PA bus signal PA bus connector
31 E Conditioned wheel speed signal Dynamic stability control (DSC)
32 E Brake light test signal Brake light switch
33 E Signal, remote control services Aerial diversity
34 E Terminal 30 Fuse F4
35 A/E Signal, CAN-bus CAN-bus connector
36 Not used
37 A Telephone ON signal Telephone transceiver
38 E Signal, front lid contact Bonnet contact
39 E Rear lid open signal Rear lid release switch (interior)
40 E Signal, hotel switch Junction box
41 E manual transmission Signal, start lock switch Clutch switch module
41 E automatic transmission Signal, parked position Transmission control

Pin assignments at plug connector X10318

Pin Type Description /Signal type Connection /Measuring notes
1 A/E Signal TX/RX Slide-in compartment
2 A/E Signal TX/RX Slide-in compartment
3 A/E Signal TX/RX Slide-in compartment
4 A/E Signal TX/RX Slide-in compartment
5 A/E Signal TX/RX Slide-in compartment
6 A/E Signal TX/RX Slide-in compartment
7 A/E Signal TX/RX Slide-in compartment
8 A/E Signal TX/RX Slide-in compartment
9 A/E Signal TX/RX Slide-in compartment
10 A/E Signal TX/RX Slide-in compartment
11 A/E Signal TX/RX Slide-in compartment
12 A/E Signal TX/RX Slide-in compartment
13 A/E Signal TX/RX Slide-in compartment
14 A/E Signal TX/RX Slide-in compartment

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