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SD Connect cable 38 pin. (pinout)

Cable 38 pin for multiplexer Mercedes Star Diagnosis C4.

 

Warning:

Cable multiplexers SD Connect of the first and second type are compatible, but have different marking of the contacts (carefully see photo):

Pinout :

SDConnect Type 1


SDConnect Type 2


Connector 38 pin


Signal description


A A 1 (-) ground contact.
B B 2 (+) power pin 15 or circuit 87.
C C 3 (+) output power, circuit 30
D D 4 contact K-line of the electronic control unit ECU(ECU) engine ( HFM-SFI, DFI, LH-SFI,IFI; ME-SFI — part right)
E E 15 contact K-line scanning, the control UNIT (ECU) instrument cluster (IC, KI)
F F 5 contact K-line scanning, the control UNIT (ECU) (ECU) engine (LH-SFI, ME-SFI — part left)
G G 6 contact K-line scanning, the control UNIT (ECU) anti-lock braking system ABS, ASR traction control system, ESP stabilization system trajectory, ETS system, traction control.
H H 7 contact K-line scanning, the control UNIT (ECU) ISC idle speed control UNIT (ECU) EFP EA throttle actuator accelerator electronic control UNIT (ECU) CC, thermostat, cruise control the cruise control.
J J 8 contact K-line scanning, the control UNIT (ECU) BAS brake assist and BM of the main module
K K 9 contact K-line scanning, the control UNIT (ECU) ASD automatic locking differential.
M L 10 contact K-line scanning, the control UNIT (ECU) transmission(EATC, ETC)
N M 11 contact K-line scanning, the control UNIT (ECU) active suspension (ADS)
P N 12 contact K-line scanning block power steering (SPS, PML)
Q P 13 contact the engine speed signal (TD, TNA, TN)
R R 14 contact enable, disable the oxygen sensor LH-SFI (right)
S S 16 contact enable, disable lambda sensor LH-SFI (left)
T T 17 contact K-line scanning, the control UNIT (ECU) of the air conditioner and heater (HEAT,Tempmatic, Automatic)
U,V U,V
X X 18 contact K-line scanning, the control UNIT (ECU) ignition (right side) (DI)
Y Y 19 contact K-line scanning, the control UNIT (ECU) ignition (left side) (DI)
Z Z 20 contact K-line scanning, the control UNIT (ECU) (DM)
a a 21 contact K-line scanning, the control UNIT (ECU) (PSE) pneumatic suspension, W210 — multi-function control UNIT(ECU) DBE sunroof control, etc.
b b 22 contact K-line scan module of comfort (CF) and ECU (ECU) roof (car RST)
c c 23 contact K-line scanning, the control UNIT (ECU) RB circular security (W129)
d d 24 contact K-line scanning ATA ()antitheft unit)
e e 25 contact K-line scan TELE-AID — block
f f 26 contact K-line scanning RDK control unit tyre pressure
g g 27 Data are not available.
h h 28 contact K-line scanning, the control UNIT (ECU) ASD automatic locking differential (W202)
i i 29 contact K-line scanning sensors, the ECU PTS
j j 30 contact K-line scanning the ECU, SRS, AB passive safety — airbags, belt tensioners safety
k k 31 contact K-line scanning, the control UNIT (ECU) IRCL Central locking
m m 32 contact — reset service intervals.
n n 33 contact K-line scanning radio module (RD) and the navigation block
p p 34 contact K-line scanning of the blocks in ICS, CNS communications, navigatsionnoi information
q q 35 contact K-line scanning, the control UNIT (ECU) LWR headlamp adjust
r r 36 contact K-line scanning, the control UNIT (ECU) STH HB — heaters of the main and additional
s s 37 data not available.
t t 38 data not available.