Abbreviations of signal and circuit designations for wiring diagrams - OV00.01-P-1001-28FAA
WARNING: This page is about a different car, the 2012 Mercedes-Benz C300, 2011 Mercedes-Benz C300, 2010 Mercedes-Benz C300, 2009 Mercedes-Benz C300, and 2008 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.
Model 204
| Abbreviation | Designation | Notes |
|---|---|---|
| (-) SH | Ground (rear sensors) | |
| (-) SV | Ground (front sensors) | |
| (+) | Power supply | |
| (+) SH | Rear sensor supply | |
| (+) SV | Front sensor supply | |
| (-) | Ground | |
| 12V | Valid for 12 V voltage supply | |
| 15R | Switched positive, in ignition position 1, 2 & 3 | |
| 15R(1) | Circuit 15R(1) | |
| 30 | Battery voltage, positive (continuous positive) | |
| 30g | Switched positive, fused | |
| 30z | Circuit 30 1st input | |
| 31 | Return line to battery negative or ground, direct | |
| 33 | Mirror, fold in (+ drive mode) | |
| 33 | Mirror, fold in (+ garage position) | |
| 49L | Left turn signal lamp | |
| 49R | Right turn signal lamp | |
| 50 | Starter control (direct) | |
| 54 | Brake light | |
| 55L | Left front fog lamp | |
| 55R | Right front fog lamp | |
| 56a | High beams | |
| 56a L | Left high beam | |
| 56a R | Right high beam | |
| 56b | Low beams | |
| 56b L | Left low beam | |
| 56b R | Right low beam | |
| 56L | Left standing light / parking light | |
| 56R | Right standing light / parking light | |
| 58 | Position, tail, license plate and instrument lamps | |
| 58d | Variable instrument/switch illumination | |
| 58L | Left side light | |
| 58R | Right side light | |
| 5V | 5V Power supply | |
| 5V KMD | Refrigerant pressure sensor supply | |
| 87 | Input (circuit 87) | |
| 87F | Circuit 87 F (NAT control unit) | |
| 87M | 87 Motor electronics | |
| 1st. cyl. | Cylinder 1 glow plug signal | |
| 2nd. cyl. | Cylinder 2 glow plug signal | |
| 3rd. cyl. | Cylinder 3 glow plug signal | |
| 4th. cyl. | Cylinder 4 glow plug signal | |
| 5th. cyl. | Cylinder 5 glow plug signal | |
| 6th. cyl. | Cylinder 6 glow plug signal | |
| A KJS | Actuation of oxygen sensor 1 heater | |
| A-ZME | Actuation of common rail direct injection fuel system high pressure pump | |
| A-ZME | Actuation of quantity control valve | |
| AAV | Activated charcoal filter - shutoff valve | |
| AB1, BF+ | Passenger-sidebag 1st stage + | |
| AB1, BF- | Passenger-sidebag 1st stage - | |
| AB1, FA+ | Driver-sidebag 1st stage + | |
| AB1, FA- | Driver-sidebag 1st stage - | |
| AB2, FA+ | Driver-sidebag 2nd stage + | |
| AB2, FA- | Driver-sidebag 2nd stage - | |
| AHK OK | Ball neck locked signal | |
| AHK n.i.O | Ball neck not locked signal | |
| ACSR [AKSE] | Automatic child seat recognition, front passenger seat | |
| Act. | Actuation signal | |
| Ant. | Antenna signal | |
| Ant. Bt | Bluetooth antenna | |
| Ant. GPS | GPS antenna | |
| Ant. NOT | Emergency call antenna | |
| AP ULK+ | Recirculated air flap actuator + | |
| AP ULK- | Recirculated air flap actuator - | |
| ARS | Actuation of exhaust gas recirculation positioner | |
| AS | Oxygen sensor heater | |
| AS SLV | Secondary air pump valve / air injection | |
| ASS LED | Tow-away protection feedback | |
| ASS-OFF | "Tow-away protection off" signal | |
| AT | Outside air temperature sensor | |
| AT ZUE1 | Ignition coil 1 | |
| AT ZUE2 | Ignition coil 2 | |
| AT ZUE3 | Ignition coil 3 | |
| AT ZUE4 | Ignition coil 4 | |
| AUX GND | AUX GND | |
| Left AUX | AUX audio input, left channel | |
| Right AUX | AUX audio input, right channel | |
| AUX Sh | AUX shield | |
| A_EKA | Intake port shutoff actuation | |
| A_KEH | Crankcase ventilation system heater | |
| A_LDR | Actuation of boost pressure positioner | |
| A_S_DK | Electric switchover valve tumble flap actuator | |
| BBV HR | Rear right brake wear sensor signal | |
| BBV VR | Front right brake wear sensor signal | |
| BFS | Brake fluid switch | |
| BLA | Brake light actuation | |
| BLS_H | Brake light switch, high | |
| BLS_L | Brake light switch, low | |
| BLS_M | Brake light switch ground | |
| BSL-L | Left brake/taillight | |
| BSL-R | Right brake /taillight | |
| BSS | Bit synchronous interface (bidirectional) | |
| BTN | Open/closed signal | |
| CC | Camera 1 GND CV+ | |
| CAK, BF | Passenger-side NECK-PRO head restraint | |
| CAK, FA | Driver-side NECK-PRO head restraint | |
| CAN A H | Telematics CAN HIGH | |
| CAN A L | Telematics CAN LOW | |
| CAN B H | Interior CAN HIGH | |
| CAN B L | Interior CAN LOW | |
| CAN C H | CAN engine compartment bus, high | |
| CAN C L | CAN engine compartment low | |
| CAN D H | Diagnostic CAN High | |
| CAN D L | Diagnostic CAN Low | |
| CAN E H | Chassis CAN High | |
| CAN E L | Chassis CAN Low | |
| CAN G H | Front end CAN High | |
| CAN G L | Front end CAN Low | |
| CAN H H | Vehicle dynamics CAN High | |
| CAN H L | Vehicle dynamics CAN Low | |
| CAN I H | Drive train sensor CAN High | |
| CAN I L | Drive train sensor CAN Low | |
| CAN K H | Multifunction CAN High | |
| CAN K L | Multifunction CAN Low | |
| Clock + | Cycle 1 High | |
| Clock - | Cycle 1 Low | |
| Crash | Crash signal | |
| Crash out, analog | Analog crash output | |
| Crash out, dig | Crash output, digital (USA) | |
| CTS In | CTS signal | |
| CV | Composite camera 1 CV | |
| D | Function illumination for selector lever position D | |
| Data | Data | |
| Data 0+ | Data channel 0 + | |
| Data 0- | Data channel 0 - | |
| Data 1+ | Data channel 1 + | |
| Data 1- | Data channel 1 - | |
| Data 2+ | Data channel 2 + | |
| Data 2- | Data channel 2 - | |
| Rear data | LIN data, rear (LIN data, rear operation) | |
| MRM data | LIN data, steering column module (LIN data, engine compartment) | |
| DCM | Motor (minus) of throttle valve actuator | |
| DCP | Motor (plus) of throttle valve actuator 1 | |
| DF HL M | Left rear RPM sensor ground | |
| DF HL S | Left rear RPM sensor signal | |
| DF HR M | Right rear RPM sensor ground | |
| DF HR S | Right rear RPM sensor signal | |
| DF VL M | Left front RPM sensor ground | |
| DF VL S | Left front RPM sensor signal | |
| DF VR M | Right front RPM sensor ground | |
| DF VR S | Right front RPM sensor, signal | |
| Diag. | Diagnosis | |
| DK1 | Position sensor, tumble flap for right bank | |
| DK2 | Position sensor, tumble flap for left bank | |
| DRV | Actuation of pressure regulator valve | |
| DS | Intake manifold pressure sensor signal | |
| DS, BF+ | Passenger-side pressure sensor + | |
| DS, BF- | Front passenger pressure sensor - | |
| DS, FA+ | Driver-side pressure sensor + | |
| DS, FA- | Pressure sensor, driver - | |
| DS, HL + | Left rear pressure sensor + | |
| DS, HL - | Left rear pressure sensor - | |
| DS, HR+ | Right rear pressure sensor + | |
| DS, HR- | Right rear pressure sensor | |
| DST | Tank pressure sensor signal | |
| DZ-N2 | Engine speed N2 | |
| DZ-N3 | RPM N3 | |
| EA | Oxygen sensor signal | |
| EA HFM | Hot film mass air flow sensor signal | |
| EA LDS | Boost pressure sensor signal | |
| EA TANS | Intake air temperature signal | |
| EA UDS | Ambient pressure sensor signal | |
| ECO 12V | ECO valve 12V | |
| ECO A | ECO valve (-) | |
| ATA | ATA [EDW] signal | |
| EF HFM1 | Hot film mass air flow sensor signal | |
| EF REF1 | Hot film mass air flow sensor reference signal | |
| EKP | Actuation of electric fuel pump | |
| EV 1 | Cylinder 1 injection valve | |
| EV 2 | Cylinder 2 injection valve | |
| EV 3 | Cylinder 3 injection valve | |
| EV 4 | Cylinder 4 injection valve | |
| EV1 | Injection valve output stage 1 cyl. 1 | |
| EV2 | Injection valve output stage 2 cyl. 4 | |
| EV3 | Injection valve output stage 3 cyl. 3 (A_P_EV3) | |
| EV4 | Injection valve output stage 4 cyl. 6 (A_P_EV4) | |
| EV5 | Injection valve output stage 5 cyl. 2 (A_P_EV5) | |
| EV6 | Injection valve output stage 6 cyl. 5 (A_P_EV6) | |
| ExT1 | Exhaust temperature sensor 1 signal upstream of catalytic converter) | |
| EXT2 | Exhaust temperature sensor 2 signal downstream of catalytic converter | |
| EXTS1 | Exhaust temperature signal in left oxidization catalytic converter | |
| EXTS2 | Exhaust temperature signal T3 upstream of supercharger | |
| E_ATF1 | Exhaust gas temperature sensor signal upstream of catalytic converter | |
| E_A_KS1A | Knock sensor signal A, right bank | |
| E_A_KS1B | Knock sensor signal B, left bank | |
| E_A_KS2A | Knock sensor signal A, right bank | |
| E_A_KS2B | Knock sensor signal B, left bank | |
| E_DPF | Differential pressure sensor signal | |
| E_HFM1 | HFM sequential multiport fuel injection/ignition system signal, left bank | |
| E_HFM2 | HFM-SFI signal, right bank | |
| E_P3 | Exhaust gas pressure sensor signal | |
| E_RDS | Fuel pressure sensor signal | |
| E_T1 | Intake air temperature sensor signal | |
| E_T1_1 | Intake air temperature signal (HFM) left bank | |
| E_T1_2 | Intake air temperature signal (HFM) right bank | |
| FH H | Power window up | |
| FH T | Power window down | |
| FL | Rear lights actuation | |
| FLWTR | Water level switch signal (only in countries with poor-quality fuel) | |
| FM1/AM | FM1/AM antenna signal | |
| FM2 | FM2 antenna signal | |
| GND | Ground | |
| GR | Actuation of blower regulator | |
| GS, BF+ | Emergency tensioning retractor, front passenger + | |
| GS, BF - | Front passenger emergency tensioning retractor - | |
| GS, FA+ | Driver emergency tensioning retractor + | |
| GS, FA - | Driver emergency tensioning retractor - | |
| GS, HL+ | Left rear emergency tensioning retractor + | |
| GS, HL- | Left rear emergency tensioning retractor - | |
| GS, HR+ | Right rear emergency tensioning retractor + | |
| GS, HR- | Right rear emergency tensioning retractor - | |
| GSS HL | Seat belt buckle switch, rear left | |
| GSS HM | Seat belt buckle switch, rear center | |
| GSS HR | Seat belt buckle switch, rear right | |
| GSS, BF | Passenger-side seat belt buckle switch | |
| GSS, FA | Driver-side seat belt buckle switch | |
| G_WLS | Water level switch ground | |
| H Side | High Side | |
| HAV | Heater shutoff valve | |
| HFE | Trunk lid locking element | |
| HL + | Left rear door speaker + | |
| HL- | Left rear door speaker - | |
| RR | Main relay | |
| HR+ | Right rear door speaker + | |
| HR- | Right rear door speaker - | |
| HS 1 | Hall sensor 1 signal | |
| HS 2 | Hall sensor 2 signal | |
| HS(+) | Hall sensor power supply | |
| HS(-) | Hall sensor ground | |
| HV_HS(+) | HV Hall sensor supply | |
| HV_HS(-) | HV Hall sensor ground | |
| HV_motor + | HV motor (+on) | |
| HV_Mot- | HV motor (-on) | |
| About | ICall button | |
| Info LED | ICall LED | |
| INJ H | Actuation of high side injector | |
| INJ L | Actuation of low side injector | |
| IP1S | Throttle valve potentiometer 1 signal | |
| IP2S | Throttle valve potentiometer 2 signal | |
| IPM | Throttle valve potentiometer sensor ground | |
| IRS LED | Interior protection feedback | |
| IRS-OFF | "Interior protection off" signal | |
| I_WLS | Water level switch signal | |
| KB, FA+ | Kneebag, driver + | |
| KB, FA- | Kneebag, driver - | |
| KHZ | Actuation of coolant thermostat heating element | |
| KMD | Refrigerant pressure | |
| KP | Fuel pump actuation | |
| KS1-Sig. | Knock sensor signal 1 | |
| KS2-Sig. | Knock sensor signal 2 | |
| KTS Sig. | Fuel temperature sensor signal | |
| KUP1 | Clutch switch signal | |
| KUP2 | Interlock switch signal (USA) | |
| KWDGA | Crankshaft sensor | |
| KWDGB | Crankshaft sensor (reference) | |
| KWGA | Crankshaft sensor signal | |
| L Side | Low side | |
| LED | LED | |
| LHP | Power steering pump signal | |
| LIN | LIN bus | |
| LIN 1 | Instrument panel LIN | |
| LIN 2 | Wiper/Roof LIN | |
| LIN A1 | COU [ZBE] LIN | |
| LIN B1 | Front door LIN | |
| LIN B2 | Rear door LIN | |
| LIN B3 | OBF LIN | |
| LIN B4 | Rear SAM LIN | |
| LIN B5 | Left door LIN | |
| LIN B6 | Right door LIN | |
| LIN B7 | On-board electrical system LIN | |
| LIN B8 | Climate control LIN | |
| LIN C1 | Drive train LIN | |
| LIN E1 | Steering LIN | |
| LL L | Left reading lamp 12V | |
| LL R | Right reading lamp 12V | |
| LLTF Sig. | Boost air temperature sensor signal (I_A_IATS2) | |
| LS IA | Oxygen sensor signal | |
| LS IP | Oxygen sensor pump current | |
| LS UN | Oxygen sensor Nernst voltage | |
| LS VM | Oxygen sensor ground | |
| LS2HK | Oxygen sensor signal in catalytic converter, left bank | |
| LSCA1 | Compensating current, oxygen sensor upstream of catalytic converter | |
| LSCP1 | Pump current, oxygen sensor upstream of catalytic converter | |
| LSH1 | Oxygen sensor heater signal upstream of catalytic converter | |
| LSH1HK | Oxygen sensor heater in catalytic converter, right bank | |
| LSH2HK | Oxygen sensor heater in catalytic converter, left bank | |
| LSHK | Oxygen sensor signal in catalytic converter, right bank | |
| LSHU1 | Oxygen sensor heater, universal oxygen sensor control sensor | |
| LSHVK1 | Oxygen sensor heater upstream of catalytic converter, right bank (A_T_LSHKVK1) | |
| LSHVK2 | Oxygen sensor heater upstream of catalytic converter, left bank | |
| LSIK | Oxygen sensor, sensor ground in left catalytic converter and right bank | |
| LSK | Oxygen sensor upstream of catalytic converter, left bank | |
| LSU1A | Oxygen sensor upstream of catalytic converter, right bank (trimming resistor) | |
| LSU1N | Oxygen sensor control sensor, universal oxygen sensor signal | |
| LSU1P | Oxygen sensor upstream of catalytic converter, right bank (pump current) | |
| LSU1S | Oxygen sensor pump current | |
| LSU1UN | Oxygen sensor upstream of catalytic converter, right bank (Nernst voltage) | |
| LSU1US | Oxygen sensor trimming resistor LSU1 | |
| LSU1VM | Oxygen sensor virtual ground, universal oxygen sensor | |
| LSU1VM | Oxygen sensor upstream of catalytic converter, right bank (virtual ground) | |
| LSU2IA | Oxygen sensor upstream of catalytic converter, left bank (trimming resistor) | |
| LSU2IP | Oxygen sensor upstream of catalytic converter, left bank (pump current) | |
| LSU2UN | Oxygen sensor upstream of catalytic converter, left bank (Nernst voltage) | |
| LSU2VM | Oxygen sensor upstream of catalytic converter, left bank (virtual ground) | |
| LSVG1 | Ground (oxygen sensor upstream of catalytic converter) | |
| LSVN1 | Current measurement, oxygen sensor upstream of catalytic converter | |
| LUES | Engine fan (PWM signal) | |
| LV_HS(+) | LV Hall sensor supply | |
| LV_HS(-) | LV Hall sensor ground | |
| LV_Mot+ | LV motor (+ fore) | |
| LV_Mot- | LV motor (-fore) | |
| HRA | Headlamp range adjustment | |
| M (+) | Intake air throttle motor + | |
| M (-) | Intake air throttle motor - | |
| Mic. + | Microphone + | |
| Mic. - | Microphone - | |
| Mic. 1+ 31-180 | Microphone 1+ | |
| Mic. 2+ | Microphone 2+ | |
| MK+ | Head restraint motor (+up) | |
| ML HFM | Line ground, hot film mass air flow sensor | |
| ML+ | Backrest motor (+fore) | |
| ML/K | Backrest/head restraint motor (fore/up) | |
| MLS | Steering column in/out motor (+in), up/down (+up) | |
| MLS, H | Steering column up/down motor (- up) | |
| MLS, V | Steering column in/out motor (-in) | |
| MOST | Media Oriented System Transport (MOST) | |
| MOST in | MOST Receiver IN | |
| MOST out | MOST Transmitter OUT | |
| Motor + | Motor (+) | |
| Engine | Motor (-) | |
| MR | Oxygen sensor ground | |
| MR HFM | Hot film mass air flow sensor signal ground | |
| MR HFM1 | Hot film mass air flow sensor (sensor ground) | |
| MR UDS | Ambient pressure sensor ground | |
| MR ULKP | Ground (air recirculation flap potentiometer) | |
| Mute | Muting | |
| M_ATF1 | Exhaust gas temperature sensor ground upstream of catalytic converter | |
| M_DPF | Differential pressure sensor ground | |
| N | Function illumination for selector lever position N | |
| NC | Not assigned | |
| NSL | Rear fog lamp | |
| NSL-L | Left rear fog lamp | |
| NSL-R | Right rear fog lamp | |
| NTC | NTC resistor signal | |
| NV_HS(+) | NV Hall sensor supply | |
| NV_HS(-) | NV Hall sensor ground | |
| NV_Mot+ | NV motor (+on) | |
| NV_Mot- | NV motor (-on) | |
| NWAE2 | Exhaust camshaft sensor, left bank | |
| NWG-Sig. | Camshaft sensor signal | |
| NWGA1 | Exhaust camshaft positioner, right bank | |
| NWGE1 | Inlet camshaft sensor, right bank | |
| NWGE2 | Inlet camshaft sensor, left bank | |
| NWG_M | Sensor ground 1 | |
| NWG_M2 | Sensor ground 2 | |
| NWHGSA | Signal, camshaft signal, exhaust | |
| NWHGSE | Signal, camshaft signal, intake | |
| NWSA 1 | Exhaust camshaft positioner, right bank | |
| NWSA 2 | Exhaust camshaft positioner, left bank | |
| NWSE 1 | Intake camshaft positioner, right bank | |
| NWSE 2 | Inlet camshaft positioner, left bank | |
| NWVA2 | Exhaust camshaft positioner signal | |
| NWVE2 | Inlet camshaft positioner signal | |
| Oil temp. | Oil temperature sensor signal | |
| OSS | Oil level switch signal | |
| PPP | Function illumination for selector lever position P | |
| SPS 12V | Speed-sensitive power steering valve 12V | |
| SPS A | Speed-sensitive power steering valve (-) | |
| Pot. (+) | Throttle valve position sensor power supply | |
| Pot. (-) | Intake air throttling ground | |
| Pot. sig. | Intake air throttling signal | |
| R/P-S (+) | R/P locking solenoid (Plus) | |
| R/P-S (-) | R/P locking solenoid (ground pulsed) | |
| R | Function illumination for selector lever position R | |
| RDS | Rail pressure sensor signal | |
| REG | Purge valve | |
| return_line | Feedback for front passenger seat occupation and belt tension sensor | |
| RFL | Backup light | |
| RFL-L | Left backup lamp | |
| RFL-R | Right backup lamp | |
| RSS OFF | RSS switch off + | |
| RSS ON | RSS switch on + | |
| RTS On | RTS signal | |
| RS | Control valve | |
| RX | Telephone RX (output) | |
| RX In | ETC RX signal (input) | |
| S 1 V | Front sensor 1 | |
| S 10 H | Rear sensor 10 | |
| S 2 V | Front sensor 2 | |
| S 3 V | Front sensor 3 | |
| S 4 V | Front sensor 4 | |
| S 5 V | Front sensor 5 | |
| S 6 V | Front sensor 6 | |
| S 7 H | Rear sensor 7 | |
| S 8 H | Sensor 8 rear | |
| S 9 H | Rear sensor 9 | |
| SB, BF+ | Passenger-side sidebag + | |
| SB, BF- | Passenger-side sidebag | |
| SB, FA+ | Driver-side sidebag + | |
| SB, FA- | Driver-side sidebag - | |
| SB, HL- | Left rear sidebag - | |
| SB, HR+ | Right rear sidebag + | |
| SB, HR- | Right rear sidebag - | |
| SB, HL+ | Left rear sidebag + | |
| SBE | Front passenger seat occupied recognition sensor | |
| SENM1 | Tank pressure sensor ground 1 | |
| SH (+) | Mirror heater power supply | |
| SH (-) | Mirror heater ground | |
| Shield | Shield | |
| SH_High | Rear sensors CAN High | |
| SH_Low | Rear sensors CAN Low | |
| S_GB | Glass breakage sensors | |
| Sig. | Signal | |
| SL-li | Left taillamp | |
| SL-re | Right taillamp | |
| SLP | Relay of secondary air injection pump 1 | |
| SLV | Secondary air valve | |
| SND | LID sensor signal | |
| SOS | Ecall button | |
| SOS LED | Ecall LED | |
| SP1M | Pedal value sensor 1 sensor ground | |
| SP1S | Pedal value sensor 1 signal | |
| SP2M | Pedal value sensor 2 sensor ground | |
| SP2S | Pedal value sensor 2 signal | |
| SS_BF+ | Front sidebag sensor, front passenger + | |
| SS_BF- | Front sidebag sensor, front passenger - | |
| SS_FA+ | Front sidebag sensor, driver + | |
| SS_FA- | Front sidebag sensor, driver - | |
| STR | Starter relay | |
| SUV1 | Intake manifold switchover valve | |
| SV | AT shift valve | |
| SV_High | Front sensors, CAN High | |
| SV_Low | Front sensors, CAN Low | |
| SV_M1 | Up/down mirror adjustment (+ up) | |
| SV_M1M2 | Mirror adjustment M1/M2 | |
| SV_M2 | Left/right mirror adjustment (+ left) | |
| TG L | Left fuel level sensor | |
| TG R | Right fuel level sensor | |
| THS | Coolant thermostat | |
| Touch control (+) | Touch control up | |
| Touch control (-) | Touch control down | |
| Touch control (Ground) | Touch control sensor, ground | |
| Touch control (plus) | Touch control sensor plus | |
| TMOT | Coolant temperature sensor signal | |
| TV-GND | Ground | |
| TV-In L | TV audio signal TV, right channel | |
| TV-In R | TV audio signal TV, left channel | |
| TV-RX | TV data output | |
| TV-TX | TV data input | |
| TX | Telephone TX (input) | |
| TX On | ETC TX signal (output) | |
| TX Out | VICS TX signal (output) | |
| TZS-Mot + | Additional door lock, motor | |
| UB | Power supply | |
| UFS, BF+ | Upfront sensor, front passenger + | |
| UFS, BF- | Upfront sensor, front passenger - | |
| UFS, FA+ | Upfront sensor, driver + | |
| UFS, FA- | Upfront sensor, driver - | |
| ULKP1 | Recirculated air flap potentiometer 1 signal | |
| ULKP2 | Recirculated air flap potentiometer 2 signal | |
| U_DPF | Differential pressure sensor supply | |
| U_PWG1 | Pedal value sensor supply | |
| Video in | Video signal Y | |
| Video sig. | Video signal C | |
| Video-GND | Video - GND | |
| VL + | Left front door speaker + | |
| VL - | Left front door speaker - | |
| VR+ | Right front door speaker + | |
| VR- | Right front door speaker - | |
| Wake-up | Switch on signal | |
| WB, VL+ | Left front windowbag + | |
| WB, VL- | Left front windowbag - | |
| WB, VR+ | Right front windowbag + | |
| WB, VR- | Right front windowbag - | |
| WH (+) | Rear warning elements supply | |
| WH (-) | Rear warning elements ground | |
| WH (Data) | Rear warning elements signal | |
| white | TDCall button | |
| WS LED | TDCall LED | |
| WTS Sig. | Water temperature sensor signal | |
| WV(+) | Front warning elements supply | |
| WV(-) | Front warning elements ground | |
| WV (Data) | Front warning elements signal | |
| ZUE 1 | Ignition signal 1 ignition coil cyl. 1 | |
| ZUE 2 | Ignition signal 1 ignition coil cyl. 4 | |
| ZUE 3 | Ignition signal 3 ignition coil cyl. 3 | |
| ZUE 4 | Ignition signal 4, cyl. 6 ignition coil | |
| ZUE 5 | Ignition signal 5, cyl. 2 ignition coil | |
| ZUE 6 | Ignition signal 6, cyl. 5 ignition coil | |
| CL | Central locking | |
| ZV Ant. | Central locking antenna module signal | |
| ZV-Mot + | Central locking motor |