Abbreviations of signal and circuit designations for wiring diagrams - OV00.01-P-1001-28D
Models 461, 463
| Abbreviation | Designation | Notes |
|---|---|---|
| (+) | Positive | |
| (-) | Minus | |
| 15 | Switched positive | |
| 15R | Switched positive, in ignition position 1, 2 & 3 | |
| 15X | Switched positive, in ignition position 2 | |
| 30 | Battery voltage, positive (continuous positive) | |
| 30z | Circuit 30 1st input | |
| 31 | Return line to battery negative or ground, direct | |
| 31 FH li | Left power window ground | |
| 31 FH re | Right power window ground | |
| 31 FHS | Power window switch ground | |
| 31 GB_H | Seat belt extender Hall sensor ground | |
| 31 B | Return line to battery negative or ground via switch or relay, switched negative | |
| 49 | Turn signal generator input | |
| 49A | Turn signal generator output | |
| 49L | Left turn signal lamp | |
| 49R | Right turn signal lamp | |
| 50 | Starter control (direct) | |
| 53 | Wiper motor, input (+) | |
| 53 B | Wiper motor shunt winding | |
| 54 | Brake light | |
| 55 | Front fog lamp | |
| 56 | Headlamp | |
| 56a | High beam and high beam indicator | |
| 56b | Low beams | |
| 58 | Position, tail, license plate and instrument lamps | |
| 58d | Variable instrument/switch illumination | |
| 58L | Left standing lamp | |
| 58R | Right standing lamp | |
| 61 | Alternator charge indicator | |
| 85 | Negative or ground winding end | |
| 86 | Start of winding | |
| 87 | Input | |
| 87 M1.2 | Circuit 87 supply | |
| 87a | First output (NC side) | |
| 87 B | Second output | |
| 87c | Third output | |
| 87D1 | Circuit 87 fused | |
| 87D2 | Circuit 87 fused | |
| 87ME1 | 87 Motor electronics 1 | |
| 87ME2 | 87 Motor electronics 2 | |
| AAV | Activated charcoal canister shutoff valve | |
| AB | Airbag | |
| AB F+ | Driver airbag positive | |
| AB F- | Driver airbag negative | |
| AB1, BF | Front passenger airbag 1 | |
| AB1, FA | Driver airbag 1 | |
| AB2, BF | Airbag 2, front passenger | |
| AB2, FA | Airbag 2, driver | |
| AIS | Dimming inside rearview mirror serial interface | |
| AKF | Activated charcoal filter | |
| AKSE | Automatic child seat recognition (ACSR) | |
| AL (-) | Exit lamp ground | |
| AL(+) | Exit lamp current supply | |
| AM | Amplitude modulation | |
| AM/FM | Amplitude modulation / frequency modulation | |
| ANR-0 | Output stage, starter relay, starter | |
| Ant. | Antenna | |
| AP ULK | Air recirculation flap actuator, negative | |
| APDCM | Throttle valve actuator, negative | |
| APDCP | Throttle valve actuator, positive | |
| ARF | Exhaust gas recirculation positioner | |
| ARN-0 | Starter start relay | |
| ARS-0 | Exhaust reset signal | |
| ARS-1 | Exhaust reset ground | |
| ART | Adaptive cruise control | |
| ASK | Power locking pawl switch | |
| ASK (-) | Power locking pawl switch negative | |
| AUIP | Actual value potentiometer supply (throttle valve) | |
| B | Blue video signal | |
| BA MV | Brake Assist solenoid valve | |
| BBV | Brake wear indicator (BWI) | |
| BFS | Brake fluid switch | |
| BL (+) | Turn signal lamp positive | |
| BL (-) | Turn signal lamp negative | |
| CAN-B H | CAN interior bus, high | |
| CAN-B L | CAN interior bus, low | |
| CAN-C H | CAN engine compartment bus, high | |
| CAN-C L | CAN engine compartment low | |
| CAN-S H | CAN sensor, high | |
| CAN-S L | CAN sensor, low | |
| Crash | Crash signal | |
| D+ | One-touch upshift | |
| D- | One-touch downshift | |
| MOST IN | MOST bus input | |
| MOST OUT | MOST bus output | |
| Data + | Serial interface positive | |
| Data - | Serial interface negative | |
| DF HL | Left rear rotational frequency | |
| DF HR | Right rear rotational frequency | |
| DF VL | Left front rotational frequency | |
| DF VR | Right front rotational frequency | |
| DFA VL | Left front rotational frequency output | |
| DFA VR | Right front rotational frequency output | |
| DG +5V | Pressure sensor +5V | |
| DG Sig. | Pressure sensor signal | |
| DGM | Pressure sensor ground | |
| Diag. | Diagnosis | |
| DST | Tank pressure sensor | |
| DZ/0 | Crankshaft sensor ground | |
| DZ/1 | Crankshaft sensor signal | |
| DZI-0 | Crankshaft increment sensor signal, negative | |
| DZI-1 | Crankshaft increment sensor signal, positive | |
| DZS-0 | Sensor ground, camshaft reference mark sensor | |
| DZS-1 | Signal, camshaft reference mark sensor | |
| DZS-2 | Sensor supply, camshaft reference mark sensor | |
| EA | Input analog | |
| EAIP1S | Actual value potentiometer 1 sliding contact (throttle valve) | |
| EAIP2S | Actual value potentiometer 2 sliding contact (throttle valve) | |
| EALDS | Boost pressure sensor | |
| EALS1VK | Signal, oxygen sensor 1 upstream of TWC, right | |
| ATA | Anti-theft alarm signal | |
| EFA | Frequency A input | |
| EF B | Frequency B input | |
| EKP1 | Fuel pump relay 1 | |
| ESL [ELV] | Electric steering lock | |
| ES_D_A | Lid open limit switch | |
| ES_D_V | Lid locked limit switch | |
| ES_GB_li | Left seat belt extender limit switch | |
| ES_GB_re | Right seat belt extender limit switch | |
| ES_KA_Z | Trunk partition "closed" limit switch | |
| ES_KD_Z | Trunk lid closed limit switch | |
| ES_V_A | Vario roof limit switch Open | |
| EV1 | Injection valve 1 | |
| EV2 | Injector 2, | |
| EV3 | Injector 3, | |
| EV4 | Injector 4, | |
| FH | Power window | |
| FH H | Power window raising | |
| FH li | Left power window | |
| FH re | Right power window | |
| FH T | Power window lowering | |
| FH and GB left (+) | Left power window and seat belt extender supply | |
| FH and GB right (+) | Right power window and seat belt extender supply | |
| FH VL | Front left power window | |
| FH VR | Right front power window | |
| FHS li_S | Left power window switch signal | |
| FL | Rear lamp | |
| VHF | Frequency modulation | |
| FSB | Parking brake | |
| G | Green video signal | |
| GER-0 | EC fan output stage | |
| GER-0 | PWM signal | |
| GES VL | Left front vehicle speed signal | |
| GES VR | Right front vehicle speed signal | |
| GG | Transmission, gear | |
| BM | Transmission, magnet adjustment | |
| GND | Shielding | |
| Gulf | Emergency tensioning retractor | |
| GS, BF | Passenger emergency tensioning retractor | |
| GS, FA | Driver emergency tensioning retractor | |
| H (+) | Hall sensor voltage supply | |
| H (-) | Hall sensor ground | |
| H 1 sig. | Hall sensor 1 signal | |
| H 2 sig. | Hall sensor 2 signal | |
| H Sig.1 | Hall sensor signal 1 | |
| H Sig.2 | Hall sensor signal 2 | |
| HAL 1 | Left rear axle 1 | |
| HAL 2 | Left rear axle 2 | |
| HAL V | Left rear axle voltage supply | |
| HAR 1 | Right rear axle 1 | |
| HAR 2 | Right rear axle 2 | |
| HAR V | Right rear axle voltage supply | |
| HD | Trunk lid | |
| HDF | Trunk lid remote opening | |
| HFM sequential multipoint fuel injection/ ignition system-1 | Hot film mass air flow sensor signal | |
| HFM sequential multipoint fuel injection/ ignition system-2 | Hot film mass air flow sensor supply + 5V | |
| HH (+) | Rear Hall sensor voltage supply | |
| HH (-) | Rear Hall sensor ground | |
| HHS | Heated rear window | |
| HKL | Backrest heated cushion | |
| HKS | Heated seat cushion | |
| HL (RL) | Left rear wheel antenna | |
| HR | Right rear wheel antenna | |
| HRL-0 | Voltage supply relay actuation | |
| HTR(+) | Sensor heater positive | |
| HTR(-) | Sensor heater negative | |
| HV (+) | Height adjustment Hall sensor voltage supply | |
| HV (-) | Height adjustment Hall sensor ground | |
| IR (+) | Infrared receiver positive | |
| IR (-) | Infrared receiver negative | |
| IR data | Infrared receiver data | |
| IRS | Interior protection, serial interface | |
| K | Diagnosis K-line | |
| KD | Kickdown switch | |
| KUP2 | Clutch switch 2 (interlock) | |
| KWDGA | Crankshaft signal 1 | |
| KWDGB | Crankshaft signal 2 | |
| LDF-0 | Boost pressure sensor ground | |
| LDF-1 | Boost pressure sensor signal | |
| LDF-2 | Boost pressure sensor supply (+5V) | |
| LDS | Rotary light switch | |
| AS | Low frequency | |
| LK (+) | Rest voltage supply | |
| LL L | Left reading lamp | |
| LL R | Right reading lamp | |
| LMK (+) | Rest motor voltage supply | |
| LS1 | Release switch closes | |
| LS1HK | Signal, oxygen sensor 1 downstream of TWC | |
| LS2 | Release switch opens | |
| LS2HK | Signal, oxygen sensor 2 downstream of TWC | |
| LSA | Release switch | |
| LSH1HK | Oxygen sensor heater downstream of TWC 1 (right) | |
| LSH2HK | Oxygen sensor heater downstream of TWC 2 (left) | |
| LSHHK1 | Oxygen sensor heater 1 downstream of TWC | |
| LSHHK2 | Oxygen sensor heater 2 downstream of TWC | |
| LSHK | Oxygen sensor downstream of TWC | |
| LSHNK | Oxygen sensor heater downstream of TWC | |
| LSHVK2 | Sensor 2 heater upstream of TWC | |
| Lsp. + | Speaker voltage supply | |
| Lsp. - | Speaker ground | |
| LTF-0 | Air temperature sensor signal | |
| LTF-1 | Air temperature sensor ground | |
| LUES | Engine fan control | |
| M1 | Ground (assembly compartment) | |
| MHH (+) | Rear raise motor voltage supply | |
| MHH (-) | Rear raise motor ground | |
| MHK | ATA engine hood contact | |
| MHV (+) | Front height adjustment motor voltage supply | |
| MHV (-) | Front height adjustment motor ground | |
| Micr. + | Microphone voltage supply | |
| Micr. - | Microphone ground | |
| MK (-) | Head restraint motor ground | |
| MLSHK | Ground (oxygen sensor downstream of TWC) | |
| MLV | Front left motor (seat adjustment) | |
| MOK-1 | Oil sensor signal | |
| MOK-2 | Oil sensor supply +5 Volt | |
| MPM | Travel sensor | |
| MPS | Travel sensor sliding contact | |
| MRIPM | Ground (actual value potentiometer (throttle valve)) | |
| MRKS | Ground (knock sensor) | |
| MRLSVK | Ground (oxygen sensor upstream of TWC) | |
| MRULKP | Ground (air recirculation flap potentiometer) | |
| MSKT (+) | Seat cushion lower motor voltage supply | |
| MSKT (-) | Seat cushion lower motor ground | |
| Mute | Muting | |
| MV 1 | Solenoid valve 1 | |
| MV 2 | Solenoid valve 2 | |
| MV 3 | Solenoid valve 3 | |
| MV 4 | Solenoid valve 4 | |
| MV 5 | Solenoid valve 5 | |
| MV 6 | Solenoid valve 6 | |
| MVZ (+) | Fore/aft motor voltage supply | |
| MVZ (-) | Fore/aft motor ground | |
| N.C. | Not connected | |
| NF | Low frequency | |
| NF-L | Low frequency, left | |
| NF-R | Low frequency, right | |
| NSL | Rear fog lamp | |
| NV | Level valve positive | |
| NWHGSA3 | Signal, camshaft signal, exhaust | |
| NWHGSE1 | Signal, camshaft signal, intake | |
| O2S(+) | Oxygen sensor positive | |
| O2S(-) | Oxygen sensor negative | |
| P-Sig. | Selector lever position "P" signal | |
| P-Temp. | Signal, pump temperature | |
| P/N | Park/ neutral signal recognition | |
| PML 12V | SPS voltage supply | |
| PML A | SPS actuation | |
| PWG1-0 | Pedal value sensor 1 ground | |
| PWG1-1 | Pedal value sensor 1 signal | |
| PWG1-2 | Pedal value sensor supply (+5V) | |
| PWG2-0 | Pedal value sensor 2 ground | |
| PWG2-1 | Pedal value sensor 2 signal | |
| PWR | Power/feed | |
| R | Red video signal | |
| R/P-S (+) | R/P lock solenoid negative | |
| R/P-S (-) | R/P lock solenoid positive | |
| RDR-0 | Output stage, pressure regulator valve, negative | |
| RDR-1 | Output stage, pressure regulator valve, positive | |
| RDS 0 | Fuel pressure sensor ground | |
| RDS 1 | Fuel pressure sensor signal | |
| RDS 2 | Fuel pressure sensor supply (+5V) | |
| REG | Regeneration (fuel tank vent valve) | |
| Rel. | Relays | |
| RF | Radio frequency | |
| RFL | Backup light | |
| RP LL | Pump relay, counterclockwise rotation | |
| RP RL | Pump relay, clockwise rotation | |
| RPM | Engine speed | |
| RR | Spare tire antenna | |
| RS | Serial interface | |
| RS | AT control valve | |
| RX-H | Receive, high | |
| RX-L | Receive, low | |
| S10 | Rear sensor 10 | |
| S2 | Front sensor 1 | |
| S3 | Front sensor 2 | |
| S4 | Front sensor 4 | |
| S5 | Front sensor 5 | |
| S6 | Front sensor 6 | |
| S7 | Rear sensor 7 | |
| S8 | Sensor 8 rear | |
| S9 | Rear sensor 9 | |
| SA 1 | Mirror dimming 1 | |
| SA 2 | Mirror dimming 2 | |
| SB, VL | Left front sidebag | |
| SB, VR | Right front sidebag | |
| VCS | Side airbag sensor, window airbag | |
| SENS1 | Sensor ground 1 | |
| SENS2 | Sensor ground 2 | |
| SH (+) | Rear sensors voltage supply | |
| SH (+) | Mirror heater positive | |
| SH (-) | Mirror heater negative | |
| SH (-) | Rear sensors ground | |
| Sig. | Signal | |
| Sig. 1 | Signal 1 | |
| Sig. 2 | Signal 2 | |
| SKT (+) | Seat cushion lower Hall sensor voltage supply | |
| SKT (-) | Seat cushion lower Hall sensor ground | |
| SOS | Emergency call | |
| SP1M | Specified value potentiometer 1 ground | |
| SP1S | Specified value potentiometer 1 sliding contact | |
| SP2M | Set value potentiometer 2 ground | |
| SP2S | Specified value potentiometer 2 sliding contact | |
| SRA | Headlamp cleaning system | |
| Start | Circuit 50 enable | |
| STR | Starter relay | |
| SV | AT shift valve | |
| SV (+) | Front sensors voltage supply | |
| SV (-) | Front sensors ground | |
| SYNC | Synchronization signal | |
| TAG 1 | Signal, exhaust gas temperature | |
| TNA | Engine speed output signal | |
| TX-H | Transmit, high | |
| TX-L | Transmit, low | |
| U | Power supply | |
| UB1 | SAM [Signal acquisition and actuation module] / V circuit 30 | |
| UDS | Ambient pressure sensor | |
| ULK | Air recirculation flap | |
| ULK P1 | Recirculated air potentiometer 1 | |
| ULK P2 | Recirculated air potentiometer 2 | |
| USP1 | Specified value potentiometer 1 voltage supply | |
| USP2 | Specified value potentiometer 2 voltage supply | |
| UVT | Switchover valve, full load/partial load regeneration | |
| UZ | SAM [Signal acquisition and actuation module] / V circuit 87 | |
| V (-) | Valve negative | |
| VAL 1 | Left front axle 1 | |
| VAL 2 | Left front axle 2 | |
| VAL V | Left front axle voltage supply | |
| VAR 1 | Right front axle 1 | |
| VAR 2 | Right front axle 2 | |
| VAR U | Right front axle voltage supply | |
| VWG-0 | VNT actuator, eletropneumatic converter (EPW) | |
| VWG-1 | Supply, eletropneumatic converter (EPW) | |
| VZ (+) | Hall sensor voltage supply | |
| VZ (-) | Hall sensor ground | |
| W H (+) | Front warning elements voltage supply | |
| W H (-) | Front warning elements ground | |
| W H (Data) | Front warning elements signal | |
| W V (+) | Rear warning element voltage supply | |
| W V (-) | Rear warning element ground | |
| W V (Data) | Rear warning element signal | |
| Wake-up | MOST bus cut-in signal | |
| WTF 0 | Water temperature sensor ground | |
| WTF 1 | Water temperature sensor signal | |
| IF | Intermediate frequency | |
| ZF-Ant. | Intermediate frequency antenna | |
| CL | Central locking |