Abbreviations Of Signal And Circuit Designations For Wiring Diagrams - OV00.01-P-1001-28XBA
Model 257, 290
| Abbreviation | Designation | Notes |
|---|---|---|
| (+) | Voltage supply, positive | |
| (-) | Low potential | |
| 15 | Terminal 15 | Positive switched battery voltage (switched via relay) |
| 15R | Circuit 15 radio position | Positive switched battery voltage (radio position) |
| 15M | Circuit 15 engine compartment | Positive switched battery voltage-engine compartment |
| 30 | Circuit 30 | Positive battery voltage (continuous positive), 12 V onboard electrical system |
| 30b | Circuit 30b | Positive battery voltage (ECO start/stop function additional battery), 12 V on-board electrical system |
| 30c | Circuit 30c | Positive battery voltage (via pyrofuse F63 to 48 V on-board electrical system) |
| 30L | Circuit 30L | Headlamp illumination signal |
| 30t | Circuit 30t | Circuit 30 after battery disconnect switch |
| 30t_LIGHT_L | Circuit 30t for illumination on left | Circuit 30 after battery disconnect switch for illumination on left |
| 30t_LIGHT_R | Circuit 30t for illumination on right | Circuit 30 after battery disconnect switch for illumination on right |
| 30t_CHARGE | Circuit 30t for charge line | Circuit 30 after battery disconnect switch for charge line |
| 30t_MOT | Circuit 30t for swivel motor | Circuit 30 after battery disconnect switch for swivel motor |
| 31 | Circuit 31 | Return line to battery negative or ground connection (direct), 12 V onboard electrical system |
| 40 | Circuit 40 | Positive battery voltage (continuous positive), 48 V onboard electrical system |
| 41 | Circuit 41 | Return line to battery negative or ground connection (direct), 48 V onboard electrical system |
| 50 | Signal 'Engine start' | |
| 54 | Brake signal | |
| 58d | Terminal 58d | Actuation of dimmable interior lighting |
| 87 | Terminal 87 | Positive battery voltage (switched) |
| 87C | Circuit 87 chassis | Positive battery voltage (switched)-chassis |
| 87M | Circuit 87 engine compartment | Positive battery voltage (switched)-engine compartment |
| AB_1_(+) | Actuation, driver airbag stage 1 | |
| AB_1_GND | Ground connection, driver airbag stage 1 | |
| AB_2_(+) | Actuation, driver airbag stage 2 | |
| AB_2_GND | Ground connection, driver airbag stage 2 | |
| AM | AM antenna signal | |
| AM_FM_DABIII | AM, FM and digital antenna signal | |
| AUDIO_C1_H | Audio signal, dual coil speaker, coil 1, high | |
| AUDIO_C1_L | Audio signal, dual coil speaker, coil 1, low | |
| AUDIO_C2_H | Audio signal, dual coil speaker, coil 2, high | |
| AUDIO_C2_L | Audio signal, dual coil speaker, coil 2, low | |
| AUDIO_H | Audio signal, high | |
| AUDIO_L | Audio signal, low | |
| BL_(+) | Brake light | Actuation of brake light |
| BL/TL/TSI_(+) | Brake light, tail light and turn signal indicator, combined | Actuation of combined brake light, tail light and turn signal indicator |
| BL/TSI_(+) | Brake light and turn signal indicator, combined | Actuation of combined brake light and turn signal indicator |
| BSM_(+) | Blind Spot Assist, power supply | |
| BSM_GND | Blind Spot Assist, ground connection | |
| BT | Bluetooth® | |
| BT_W-LAN | Bluetooth® and WLAN | |
| BUL_(+) | Backup lamp | Reversing lamp actuation |
| CAN-A_H | Telematics CAN HIGH | |
| CAN-A_L | Telematics CAN low | |
| CAN-AMG_H | AMG CAN, high | |
| CAN-AMG_L | AMG CAN, low | |
| CAN-B_H | Interior CAN HIGH | |
| CAN-B_L | Interior CAN LOW | |
| CAN-C_H | Engine CAN high | |
| CAN-C_L | Engine CAN low | |
| CAN-C1_H | Drive train CAN High | |
| CAN-C1_L | Drive train CAN Low | |
| CAN-C2_H | CAN 2 for drive High | |
| CAN-C2_L | CAN 2 for drive Low | |
| CAN-D_H | Diagnostic CAN High | |
| CAN-D_L | Diagnostic CAN Low | |
| CAN-DRVU_H | Drive unit CAN High | |
| CAN-DRVU_L | Drive unit CAN Low | |
| CAN-ED1_H | Electric drive CAN High | |
| CAN-ED1_L | Electric drive CAN Low | |
| CAN-ED2_H | CAN for energy management High | |
| CAN-ED2_L | CAN for energy management Low | |
| CAN-EL_H | Electric drive CAN High | |
| CAN-EL_L | Electric drive CAN Low | |
| CAN-FC_H | Fuel cells CAN High | |
| CAN-FC_L | Fuel cells CAN Low | |
| CAN-HAL_H | Rear axle steering CAN High | |
| CAN-HAL_L | Rear axle steering CAN Low | |
| CAN-H_H | Vehicle dynamics CAN High | |
| CAN-H_L | Vehicle dynamics CAN Low | |
| CAN-HMI_H | User interface CAN High | |
| CAN-HMI_L | User interface 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 | |
| CAN-L_H | Hybrid CAN High | |
| CAN-L_L | Hybrid CAN Low | |
| CAN-LR_H | Steering wheel CAN High | |
| CAN-LR_L | Steering wheel CAN Low | |
| CAN-LR1_H | CAN for steering wheel gearshift buttons, high | |
| CAN-LR1_L | CAN for steering wheel gearshift buttons, low | |
| CAN-PER_H | Periphery CAN high | |
| CAN-PER_L | Periphery CAN Low | |
| CAN-S1_H | Radar CAN 1 high | |
| CAN-S1_L | Radar CAN 1 low | |
| CAN-S2_H | Radar CAN 2 high | |
| CAN-S2_L | Radar CAN 2 low | |
| CAS | Actuation of antenna splitter | Antenna switch control |
| CLUTCH_(+) | Actuation of magnetic clutch | |
| CP | CP signal (control pilot) | |
| CRASH | Crash signal | Digital Audio Broadcasting (VHF band III) |
| DABIII | Digital radio | |
| DCS | Door lock rotary tumbler signal | |
| DCS_(+) | Door lock rotary tumbler signal via transmit current | |
| DCS_GND | Door lock rotary tumbler signal, ground connection | |
| DIAG | Diagnosis | |
| DOWN | Signal down | |
| DSRC | Signal, digital vehicle communication | Dedicated Short Range Communication, valid for Japan |
| DTRL_(+) | Actuation of daytime running lights | BR177 |
| EC_(+) | Electric mirror dimming, power supply | |
| EC_GND | Electric mirror dimming, ground connection | |
| ELV | Electric steering lock | |
| ELV_Data | Electric steering lock, data exchange | |
| ETH_(+) | Network connection Diagnosis, positive | Network connection (Ethernet) Diagnosis, positive |
| ETH_(-) | Network connection Diagnosis, negative | Network connection (Ethernet) Diagnosis, negative |
| FL_1 | Fuel quantity sensor, signal 1 | |
| FL_2 | Fuel quantity sensor, signal 2 | |
| FL_GND | Fuel quantity sensor, ground connection | |
| FLEX-E_BM | Chassis FlexRay bus, negative | |
| FLEX-E_BP | Chassis FlexRay bus, positive | |
| F_LIGHT_GND | Function lighting, ground connection | |
| FLOW | Flow signal, ground current | |
| FM | FM antenna signal | |
| FM_DABIII | FM and digital antenna signal | |
| FM_AM | FM, AM antenna signal | |
| FOLD_IN/OUT | Signal for folding in/out electric outside mirrors | In = +; out =GND |
| FOLD_OUT/IN | Signal for folding out/in electric outside mirrors | Out = +; in =GND |
| GND | Ground connection | Return line to battery negative or ground connection (indirect) |
| GND_V | Virtual ground connection | |
| GPS | GPS signal | Signal for global positioning system |
| HAZARD_SIG | Signal for actuating hazard warning lights | |
| HAZARD_LIGHT | Power supply, hazard warning flasher switch illumination | |
| HB_(+) | High beam actuation | BR 177 |
| HEAT_(+) | Heating element power supply | |
| HEAT_GND | Heating element ground connection | |
| HF | High frequency radio signal | |
| HIGH | High-side actuation/signal | |
| HSVL | High-speed video link | |
| HV_(+) | High-voltage power supply, positive | |
| HV_(-) | High-voltage power supply, negative | |
| ILK | Interlock | |
| IL_(+) | Interior lamp, power supply | |
| I_PUMP | Pump current | Oxygen sensor, pump current |
| KAPA | KEYLESS-GO, sensor signal | |
| LB_(+) | Actuation of low beam | BR177 |
| LED_(+) | Signal, LED status display | |
| LED_(+)_G | Signal, green LED status display | |
| LED_(+)_R | Signal, red LED status display | |
| LED_(+)_W | Signal, white LED status display | |
| LEV_(+) | Headlamp range adjustment | BR177 |
| LF_1 | KEYLESS-GO antenna signal 1 | |
| LF_2 | KEYLESS-GO antenna signal 2 | |
| LF_MID | KEYLESS-GO antenna signal, center | |
| ILLU_(+) | Illumination actuation | |
| ILLU_GND | Illumination, ground connection | |
| LIN | LIN bus | Local Interconnect Network |
| LIN-1 | Instrument panel LIN | |
| LIN-AGGS | Differential lock-LIN | |
| LIN-A3 | LCP LIN | |
| LIN-B10 | Right rear door LIN | |
| LIN-B13 | Roof LIN | |
| LIN-B14 | Alarm system LIN | |
| LIN-B15 | Battery sensor LIN | |
| LIN-B16 | Rain and light sensor LIN | |
| LIN-B18 | Driver seat LIN | |
| LIN-B19 | Front passenger seat LIN | |
| LIN-B22 | 48 V on-board electrical system LIN | |
| LIN-B26 | Massage components LIN | |
| LIN-B27 | KEYLESS-GO LIN | |
| LIN-B28 | Heater LIN | |
| LIN-B30 | Left front door ambiance illumination LIN | |
| LIN-B31 | Right front door ambiance illumination LIN | |
| LIN-B32 | Left rear door ambiance illumination LIN | |
| LIN-B33 | Right rear door ambiance illumination LIN | |
| LIN-B34 | Cockpit ambiance illumination LIN | |
| LIN-B35 | Vehicle interior ambiance illumination LIN | |
| LIN-B36 | Roof ambiance illumination LIN | |
| LIN-B37 | Instrument panel ambiance illumination LIN | |
| LIN-B38 | Left vehicle interior ambiance illumination LIN | |
| LIN-B39 | Right vehicle interior ambiance illumination LIN | |
| LIN-B40 | Center console ambiance illumination LIN | |
| LIN-B41 | Left seats ambiance illumination LIN | |
| LIN-B42 | Right seats ambiance illumination LIN | |
| LIN-B5 | Left front door LIN | |
| LIN-B6 | Right front door LIN | |
| LIN-B8-1 | Climate control LIN 1 | |
| LIN-B8-2 | Climate control LIN 2 | |
| LIN-B8-3 | AC operation LIN | |
| LIN-B8-5 | A/C actuator motors LIN | |
| LIN-B9 | Left rear door LIN | |
| LIN-BMS | Battery management system LIN | |
| LIN-C1 | Drive train LIN | |
| LIN-C2 | Engine LIN | |
| LIN-C3 | Drivetrain LIN | |
| LIN-C4 | Exhaust LIN | |
| LIN-E1 | Steering LIN | |
| LIN-E2 | Seat occupied recognition LIN | |
| LIN-E3 | Aerodynamics LIN | |
| LIN-HE | Hand detection LIN | |
| LOW | Low-side actuation/signal | |
| LVDS_H | Signal line, LVDS high | Low voltage differential signaling, high signal level |
| LVDS_L | Signal line, LVDS low | Low voltage differential signaling, low signal level |
| L1 | Coil 1 | |
| L2 | Coil 2 | |
| L_(+) | Power supply coil | |
| L1_(+) | Coil 1, power supply | |
| L2_(+) | Coil 2, power supply | |
| L_GND | Switched ground connection coil | |
| L1_GND | Switched ground connection, coil 1 | |
| L2_GND | Switched ground connection, coil 2 | |
| LOCK_UNLOCK | Signal for closing/opening additional door lock | |
| MIC_H | Audio signal, microphone, high | |
| MIC_L | Audio signal, microphone, low | |
| MOST | Media Oriented System Transport | |
| MOST_IN | Media Oriented System Transport, input | |
| MOST_OUT | Media Oriented System Transport, output | |
| MOT | Motor actuation | |
| MOT_(+) | Motor actuation, positive | |
| MOT_(+)/GND | Engine plus/minus actuation | +/- depending on direction of rotation |
| MOT_GND | Motor actuation, negative | |
| MOT_GND/(+) | Engine minus/plus actuation | -/+ depending on direction of rotation |
| MOT_LR_(+)/GND | Mirror adjustment, motor actuation, positive/negative (right/left) | |
| MOT_LR_GND/(+) | Mirror adjustment, motor actuation, negative/positive (right/left) | |
| MOT_UD_(+)/GND | Mirror adjustment, motor actuation, positive/negative (high/low) | |
| MOT_UD_GND/(+) | Mirror adjustment, motor actuation, negative/positive (high/low) | |
| MPAC_U | Multiphase alternating current, phase U | |
| MPAC_V | Multiphase alternating current, phase V | |
| MPAC_W | Multiphase alternating current, phase W | |
| MPAC_X | Multiphase alternating current, phase X | |
| MPAC_Y | Multiphase alternating current, phase Y | |
| MPAC_Z | Multiphase alternating current, phase Z | |
| MUTE | Mute function | |
| N | Neutral conductor | |
| NC | Not connected | |
| PANIC | Panic button signal | Model 463 with CODE 524L (Russia) and CODE E07 (Locating and tracking system) |
| PANIC_TRUE | Panic button confirmation | Model 463 with CODE 524L (Russia) and CODE E07 (Locating and tracking system) |
| PE | PE protective ground conductor (protective earth) | |
| PL_(+) | Parking light | Actuation of parking lights |
| P-NOT | Park pawl | Emergency power supply for park pawl transmission |
| POS_(+) | Hall sensor power supply | |
| POS_GND | Hall sensor ground connection | |
| POS_HRES | High-resolution position signal | Position signal, high resolution |
| POS | Position signal sensor | Position signal via Hall sensor |
| POS_1 | Sensor 1 position signal | |
| POS_2 | Sensor 2 position signal | |
| POS_3 | Sensor 3 position signal | |
| POT | Potential equalization | |
| PP | PP signal (proximity) | |
| PUMP | Pump actuation | |
| PUMP_GND | Pump actuation via ground connection | |
| PUMP_(+) | Pump power supply | |
| PRE | Pressure signal | |
| REF | Measurement reference signal | |
| REL_(+) | Relay actuation, positive | |
| REL_GND | Actuation of relay ground connection | |
| REL_C_(+) | Actuation of relay NO contact, positive | |
| REL_C_GND | Actuation of relay NO contact, ground connection | |
| REL_O_(+) | Actuation of relay NC contact, positive | |
| REL_O_GND | Actuation of relay NC contact, ground connection | |
| RES | Reset signal | |
| RFL_(+) | Rear fog lamp | Rear fog lamp actuation |
| RL_(+) | Reading lamp, power supply | |
| SDARS | Satellite radio signal | Satellite Digital Audio Radio Services signal (North America) |
| SENS | Sensor signal | |
| SENS_1 | Sensor signal for sensor 1 | |
| SENS_2 | Sensor signal for sensor 2 | |
| SENS_(+) | Sensor power supply | |
| SENS_1_(+) | Sensor 1 power supply | |
| SENS_2_(+) | Sensor 2, power supply | |
| SENS_GND | Sensor ground connection | |
| SENS_1_GND | Sensor 1, ground connection | |
| SENS_2_GND | Sensor 2, ground connection | |
| SENT | Digital signal line SENT | Single Edge Nibble Transmission signal line |
| SENT_(+) | Digital signal line SENT, positive | Single Edge Nibble Transmission signal line, positive |
| SENT_GND | Digital signal line SENT, ground connection | Single Edge Nibble Transmission signal line, ground connection |
| SHD | Shielding | |
| SIG | Signal | |
| SIG_1 | Signal 1 | |
| SIG_2 | Signal 2 | |
| SIG_3 | Signal 3 | |
| SIG_4 | Signal 4 | |
| SIG_15 | Terminal 15 signal | Signal for positive switched battery voltage (switched via relay) |
| SIG_31 | Ground signal, control unit coding | |
| SIG_C | Signal center | |
| SIG_L | Signal left | |
| SIG_R | Signal right | |
| SIG_(+) | Signal via transmit current | |
| SIG_(+)/GND | Alternating signal via transmit current/ground connection | |
| SIG_1_(+) | Signal 1 via transmit current | |
| SIG_2_(+) | Signal 2 via transmit current | |
| SIG_GND | Signal via ground connection | Signal via switched ground connection |
| SIG_L1_(+) | Actuation of coil 1, positive | |
| SIG_L1_GND | Actuation of coil 1 via ground connection | |
| SIG_L2_(+) | Actuation of coil 2, positive | |
| SIG_L2_GND | Actuation of coil 2 via ground connection | |
| SIG_RL | Reading lamp signal | |
| S_ILLU_GND | Switch and controls illumination, ground connection | |
| SML_(+) | Actuation of side-marker lamp | BR177 |
| SML_GND | Side marker lamps ground connection | |
| SPI_CLK | Serial peripheral interface clock | |
| SPI_MOSI | Serial peripheral interface master output, slave input | |
| SPI_MISO | Serial peripheral interface master input, slave output | |
| START | Actuation of starter relay | |
| TEL | Signal, telephone | |
| TEMP | Temperature signal | |
| TEMP_GND | Ground connection, temperature sensor | |
| TEMP_L | Signal for temperature sensor left | |
| TEMP_R | Signal for temperature sensor right | |
| TEMP_1 | Temperature signal, sensor 1 | |
| TEMP_2 | Temperature signal, sensor 2 | |
| TL_(+) | Taillamp | Tail light actuation |
| TL_L_(+) | Left taillamp | Tail light actuation, left |
| TL_R_(+) | Right taillamp | Tail light actuation, right |
| TL/BL_(+) | Brake light and tail light, combined | |
| TL/PL_(+) | Tail light and parking lights, combined | Actuation of combined tail light and parking lights |
| TL/PL/SML_(+) | Tail light, parking lights, and side marker light, combined | Actuation of combined tail light, parking lights, and side marker light |
| TL/PL/BL/TSI_(+) | Tail light, parking light, brake light and turn signal indicator, combined | Actuation of combined tail light, parking lights, brake light and turn signal indicator |
| TRM | Scheduling | |
| TSI_(+) | Direction indicator lamp | Actuation of turn signal indicator |
| TSI_GND | Negative activation of turn signal indicator | |
| TSI_L_(+) | Left turn signal | Actuation of turn signal indicator left |
| TSI_R_(+) | Right turn signal | Actuation of turn signal indicator right |
| TV1 | Antenna signal TV1 | |
| TV2 | Antenna signal TV2 | |
| TV3 | Antenna signal TV3 | |
| UNLOCK_LOCK | Signal for opening/closing additional door lock | |
| UP | Signal up | |
| USB_(+) | USB interface, power supply | |
| USB_DATA_H | USB interface, data exchange, high | |
| USB_DATA_L | USB interface, data exchange, low | |
| USB_GND | USB interface, ground connection | |
| USB_H | Signal for USB interface, high | |
| USB_L | Signal for USB interface, low | |
| USB_RUI_H | USB interface control, high | |
| USB_RUI_L | USB interface control, low | |
| VALVE_GND | Valve actuation via ground connection | |
| VALVE_(+) | Valve actuation | |
| VALVE_H | High-side valve actuation | |
| VALVE_L | Low-side valve actuation | |
| VALVE_1_H | Actuation of high-side valve 1 | |
| VALVE_1_L | Actuation of low-side valve 1 | |
| VALVE_2_H | Actuation of high-side valve 2 | |
| VALVE_2_L | Actuation of low-side valve 2 | |
| VICS | Signal for vehicle information and communication | Vehicle Information and Communication System, valid for Japan |
| VIDEO | Digital video signal | |
| W-LAN | WLAN signal | |
| WAKE_UP | Wake-up signal | |
| WSR | Warm start request | |
| WSS | Wheel speed, signal |