Mercedes C-Class

W203 since 2000 of release

Repair and car operation

Electric equipment schemes

Models of 2000 of release

Codes of designation of color of isolation of electroconducting

Code	Color
BLK	The black.
BLU	The dark blue.
BRN	The brown.
GRN	The green.
GRY	The gray.
NCA	Any.
OR	Or (GRN OR VIO = Green or violet).
ORG	The orange.
PNK	The pink.
PPL	The purple.
RED	The red.
TAN	The golden.
VIO	The violet.
WHT	The white.
YEL	The yellow.

Positions of the switch темпостата

MEMORY RECALL	Call of data from memory.
DECEL/SET	Деселерация / Installation.
ACCEL/SET	Acceleration/installation.
OFF	Off.

Abbreviations of signals/designation of plugs and contours

-	Minus.
+	Plus.
12VCD	Tension of the battery or tension regulator at the working engine.
15	A switched food from the battery (moves in provisions 2 and 3).
15g	A switched food from the battery (it is protected by a safety lock).
15R	A switched food from the battery (moves in provisions 1, 2 and 3).
15u	A switched food from the battery (it is not protected by a safety lock).
15X	A switched food from the battery (moves in situation 2).
15Z	A switched food from the battery (moves in provisions 2 and 3).
15С	A switched food from the battery (moves before key extraction).
15Х	A switched food from the battery (moves in situation 2).
30	Not disconnected food from the battery.
30z	Plug 30, 1 entrance signal [Terminal 30, 1st input].
30Z	Switched tension of the battery (moves in provisions 2 and 3).
30а	Not disconnected tension of the battery.
30А	Not disconnected tension of the battery (“A” party).
30В	Not disconnected tension of the battery (the party "In").
30Е	Not disconnected tension of the battery for electronics.
31	Grounding.
31b	Switched connection to the case.
31е	Grounding for electronics.
49	Entrance signal of indexes of turns.
49	Breaker signal.
49a	Target signal of indexes of turns.
49L	Left index of turns.
49R	Right index of turns.
49а	Signal of the pulse breaker.
50	Signal of the traction relay of a starter.
53	Entrance signal (+) electromotor of a drive of a screen wiper.
53	Low-high-speed mode of functioning of screen wipers.
53b	Shunting winding of the electromotor of a drive of a screen wiper.
53b	High-speed mode of functioning of screen wipers.
54	Chain of stoplights.
55	Antifog lamps.
56	Headlights.
56a	Chain of a driving beam.
56b	Chain of a passing beam.
58	Chain of back marker/parking lights, illuminations of devices and registration plate.
58d	Adjustable illumination of devices.
58k	Illumination of devices (not processed).
58L	Left parking сгонь
58R	Right parking fire.
61	Control lamp of the generator.
61е	Working signal of the generator.
81	Signal of a reverse gear.
81а	Signal of a reverse gear (after transmission switching).
85	Winding conclusion on (-) or the case.
85EDC	Signal of management of the relay, electronic control of the diesel engine.
85F	Management of the relay of a horn.
85LP	Management of the relay of the air pump.
86	Conclusion of the beginning of a winding.
86КР	Management of the relay of the fuel pump.
87	Entrance signal.
875А	Food of the additional equipment.
87a	First target signal (the contact party of NC).
87ABS	ABS food.
87b	Second target signal.
87c	Third target signal.
87EGAS	Supply voltage of an electronic pedal of gas (EA).
87GES	Tension of the battery (it is protected by a safety lock).
87LP	Supply voltage of the air pump.
87ME1	87 control units 1.
87ME2	87 control units 2.
87MOTR	Supply voltage of the control unit of system of injection.
87UG	Relay exit (it is not protected by a safety lock).
87Z	Relay exit (it is protected by a safety lock).
AB	Safety cushion.
AB F-	Driver's safety cushion (-).
AB F +	Driver's safety cushion (+).
AB1, BF	Safety cushion of 1 forward passenger.
AB1, FA	Driver's safety cushion 1.
AB2, BF	Safety cushion 2 forward passengers.
AB2, FA	Driver's safety cushion.
ACSR	Registrar of installation of a children's seat.
AL (-)	Grounding of a lamp of illumination of an exit.
AL (+)	Food of a lamp of illumination of an exit.
AM	Peak modulation (DV/SV/KV).
AM/FM	Peak/frequency modulation (DV/SV/KV) (/VHF).
Ant.	Aerial.
B	Video signal, dark blue.
B +	Target tension of the generator (it is activated at the started engine).
BBV	Indicator of wear of brake shoes.
BFS	Sensor switch of level of brake liquid.
BL (-)	Stoplights (-).
BL (+)	Stoplights (+).
BLS	Normally opened contact of the sensor switch of stoplights.
BS	Normally closed contact of the sensor switch of stoplights.
CL	Uniform lock.
Crash	Collision signal.
CTRL	Management.
D +	Working signal of the generator (as 61).
D2B IN	Entrance signal of the tire D2.
D2B OUT	Target signal of the tire D2.
Data -	"Minus" of the consecutive interface.
Data +	"Plus" of the consecutive interface.
DF HL	Frequency of rotation of the left back wheel.
DF HL	Sensor of the left back wheel of VSS.
DF HR	Frequency вращинея right back wheel.
DF VL	Frequency of rotation of the left forward wheel.
DF VR	Frequency of rotation of the right forward wheel.
DF VR	Sensor of the right back wheel of VSS.
DFA	Target signal of speed.
DFA HL	Exit of a signal of the left back wheel of VSS.

DG +5V	+5В pressure sensor.
DG Sig.	Signal of the sensor of pressure.
DGM	Grounding of the sensor of pressure.
FH	Window regulator.
FH H	Signal "Up" window regulator.
FH HL	Window regulator of the left back door.
FH HR	Window regulator of the right back door.
FH T	Signal "Down" window regulator.
FH VL	Window regulator of the left forward door.
FH VR	Window regulator of the right forward door.
FM	Frequency modulation (VHF).
FSB	Parking brake.
G	Video signal, green.
GES	Signal of the sensor of speed (VSS).
GND, GRND	Shielding, case (grounding).
GS	Emergency natyazhitel.
GS, BF	Natyazhitel of a seat belt of a forward passenger seat.
GS, FA	Natyazhitel of a seat belt of a driver's seat.
GS, HL	Natyazhitel of a seat belt of the left back seat.
GS, HR	Natyazhitel of a seat belt of the right back seat.
H (-))	Grounding of the sensor of the Hall.
H (+)	Food of the sensor of the Hall.
H 1 Sig.	Signal of the 1st sensor of the Hall.
H 2 Sig.	Signal of the 2nd sensor of the Hall.
H Sig.1	Signal of 1 sensor of the Hall.
H Sig.2	Signal 2 sensors of the Hall.
HAR 1	Signal 1. Right back semi-axis.
HAR 2	Signal 2. Right back semi-axis.
HAR V	Supply voltage. Right back semi-axis.
HH (-)	Grounding of the back sensor of the Hall.
HH (+)	Supply voltage of the back sensor of the Hall.
HHS	Warmed back glass.
HKL	Warming overlay of a back of a seat.
HKS	Warming overlay of a pillow of a seat.
HL	Aerial of the left back wheel.
HR	Aerial of the right back wheel.
HTR (-)	"Minus" of a heater of a probe.
HTR (+)	"Plus" of a heater of a probe.
HV (-)	Hall sensor, grounding of adjustment of height.
HV (+)	Hall sensor, supply voltage of adjustment of height.
IR (-)	"Minus" of the infra-red receiver.
IR (+)	"Plus" of IK of the receiver.
IR-Daten	Data of IK of the receiver.
K	Diagnostics line K.
K (+)	Hall sensor, supply voltage of adjustment of head restraints.
KI-SI	Additional blokirator of back window regulators.
LL L	The left lamp for reading.
LL R	The right lamp for reading.
LOC	"Plus" of the valve of management of level.
LOCK	Blocking.
Lsp. -	Loudspeaker grounding.
Lsp. +	Loudspeaker supply voltage.
MHH (-)	Grounding of the electromotor of a podnimaniye of a back seat.
MHH (+)	Supply voltage of the electromotor of a podnimaniye of a back seat.
MHV (-)	Grounding of the electromotor of adjustment of height.
MHV (+)	Supply voltage of the electromotor of adjustment of height.
Mikr. -	Microphone grounding.
Mikr. +	Microphone supply voltage.
MK (-))	Grounding of the electromotor of adjustment of height of head restraints.
MSKT (-))	Grounding of the electromotor of lowering of a pillow of a seat.
MSKT (+)	Supply voltage of the electromotor of lowering of a pillow of a seat.
Mute	Contour of shutdown of a sound.
MVZ (-))	Grounding of the electromotor of a drive of adjustment in the horizontal direction (forward-back).
MVZ (+)	Supply voltage of the electromotor of a drive of adjustment in the horizontal direction (forward-back).
NF	Low frequency (LF).
NF-L	Left LF loudspeaker.
NF-R	Right LF loudspeaker.
NHL	Left back valve of management of level.
NHRNSP	Right back valve of management of level.
NSL	Back foggy lamp.
NVL	Left forward valve of management of level.
NVR	Right forward valve of management of level.
O2S (-)	"Minus" lambda probe.
O2S (+)	Plus lambda probe.
P/N	Parking/neutral.
P-Sig.	Signal of the position "R" of the lever of the selector.
PWR	Food.
R	Video signal, red.
R DOME	Back salonny lamp.
R/P-S (-)	"Plus" of an electromagnet of blocking of R/rouble.
R/P-S (+)	"Minus" of an electromagnet of blocking of R/rouble.
R50	Signal of the traction relay (after starter blocking).
RAS	Signal 2. Left back semi-axis.
RAS 1	Signal 1. Left back semi-axis.
RBCAN H	Higher-level communication signal of the tire of the CAN network controler.
RBCAN L	Low-level communication signal of the tire of the CAN network controler.
RF ERK	—
RFL	Backing fire.
RR	Aerial of a spare wheel.
RTR	Drive of a remote otpuskaniye of a latch of the lock of a trunk lid.
RV	The operating AT valve.
S10	Sensor 10, back.
S2	Sensor 1, forward.
S3	Sensor 2, forward.
S4	Sensor 4, forward.
S5	Sensor 5, forward.
S6	Sensor 6, forward.
S7	Sensor 7, back.
S8	Sensor 8, back.
S9	Sensor 9, back.
SA 1	Blackout of a mirror 1.
SA 2	Blackout of a mirror 2.
SB, HL	Left back lateral safety cushion.
SB, HR	Right back lateral safety cushion.
SB, VL	Left forward lateral safety cushion.
SB, VR	Right forward lateral safety cushion.
SBS	Sensor of lateral and window safety cushions.
SH (-)	"Minus" of heating of mirrors.
SH (+)	"Plus" of heating of mirrors.
Sig.	Signal.
SKT (-)	Hall sensor, grounding of lowering of a pillow of a seat.
SKT (+)	Hall sensor, supply voltage of lowering of a pillow of a seat.
SP1M	Grounding of a potentiometer of nominal rate 1.
SP1S	Toddler of a potentiometer of nominal rate 1.
SP2M	Grounding of a potentiometer of nominal rate 2.
SP2S	Toddler of a potentiometer of nominal rate 2.
SR	Shifted / folding top.
Start	Plug 50, otpuskaniye.
SV	Valve of switching of AT.
SV (-)	Grounding of forward sensors.
SV (+)	Supply voltage of forward sensors.
SYNC	Synchronization signal.
TNA	Target signal of turns of the electromotor/engine.
TV1	Video channel 1.
TV2	Video channel 2.
TV3	Video channel 3.
TV4	Video channel 4.
U	Supply voltage.
USP1	Supply voltage of a potentiometer of 1 nominal rate.
USP2	Supply voltage of a potentiometer of 2 nominal rates.
V (-)	The valve (-).
VAL 1	Left forward semi-axis 1.
VAL 2	Left forward semi-axis 2.
VAL V	Supply voltage. Left forward semi-axis.
VAR 1	Right forward semi-axis 1.
VAR 2	Right forward semi-axis 2.
VAR U	Supply voltage. Right forward semi-axis.
VFE -	"Minus" of a food of the DTR sensor.
VFE +	"Plus" of a food of the DTR sensor.
VL	Aerial of the left forward wheel.
VR	Aerial of the right forward wheel.
VSS VL	Signal of speed of the left forward wheel.
VSS VR	Signal of speed of the right forward wheel.
VZ (-)	Grounding of the sensor of the Hall.
VZ (+)	Supply voltage of the sensor of the Hall.
W H (-)	Grounding of the forward alarm equipment.
W H (+)	Supply voltage of the forward alarm equipment.
W H (Data)	Signal of the forward alarm equipment.
W V (-)	Grounding of the back alarm equipment.
W V (+)	Supply voltage of the back alarm equipment.
W V (Data)	Signal of the back alarm equipment.
Wake up	Starting signal of the tire D2.
WB, L	Left window safety cushion.
WB, R	Right window safety cushion.
ZF	Average frequency.
ZF-Ant.	Aerial of average frequencies.
ZZH	Dovodchik of a door.
ZZH-V	Valve of operational development of a door.
	Designates number of the electroconducting connected to the corresponding terminal block or the contact socket.
*	The asterisk designates the socket, not which all wires are shown.