Abbreviations Of Signal And Circuit Designations For Wiring Diagrams - OV00.01-P-1001-28IDA
Model 247
| Abbreviation | Designation | Notes |
|---|---|---|
| (+) | Voltage supply, positive | |
| (-) | Low potential | |
| (+)/(-) | Power supply with alternating polarity | |
| 5V | 5 volt voltage supply | |
| 12V | 12 volt power supply | |
| 15 | Terminal 15 | Positive switched battery voltage (switched via relay) |
| 15R | Circuit 15 radio position | Positive switched battery voltage (radio position) |
| 30 | Circuit 30 | Positive battery voltage (continuous positive), 12 V on-board 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) |
| 30t | Circuit 30t | Circuit 30 after battery disconnect switch |
| 31 | Circuit 31 | Return line to battery negative or ground connection (direct), 12 V on-board electrical system |
| 40 | Circuit 40 | Positive battery voltage (continuous positive), 48 V on-board electrical system |
| 41 | Circuit 41 | Return line to battery negative or ground connection (direct), 48 V on-board electrical system |
| 50 | Signal 'Engine start' | |
| 54 | Circuit 54 | |
| 56a | High beam | |
| 58d | Terminal 58d | Actuation of dimmable interior lighting |
| 58L | Left taillamp | |
| 58R | Right taillamp | |
| 87 | Terminal 87 | Positive battery voltage (switched) |
| 87/1 | Terminal 87/1 | |
| 87/2 | Terminal 87/2 | |
| 87/3 | Terminal 87/3 | |
| 87/4 | Terminal 87/4 | |
| 87C | Circuit 87 chassis | Positive battery voltage (switched) - chassis |
| 87C1 | Circuit 87 chassis 1 | |
| 87C2 | Circuit 87 chassis 2 | |
| 87M | Circuit 87 chassis | Positive battery voltage (switched) - engine compartment |
| 87M1 | Circuit 87 engine compartment 1 | |
| 87M2 | Circuit 87 engine compartment 2 | |
| 87M3 | Circuit 87 engine compartment 3 | |
| 87M4 | Circuit 87 engine compartment 4 | |
| 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 | |
| AC | Alternating current | |
| AC_1 | Multiphase alternating current, phase 1 | |
| AC_2 | Multiphase alternating current, phase 2 | |
| AC_U | Phase U alternating current | |
| AC_V | Phase V alternating current | |
| AC_W | Phase W alternating current | |
| AM/FM | AM, FM antenna signal | |
| AM/FM/DAB | AM, FM and digital antenna signal | |
| ANT | Antenna signal | |
| AUDIO_(-) | Audio signal, negative | |
| AUDIO_(+) | Audio signal, positive | |
| AUDIO_H | Audio signal, high | |
| AUDIO_L | Audio signal, low | |
| A-SIG | Analog signal | |
| BL_(+) | Brake light | Actuation of brake light |
| BL/TSI_(+) | Brake light and turn signal indicator, combined | Actuation of combined brake light and turn signal indicator |
| BLDC_U | Multiphase alternating current, phase U | |
| BLDC_U | Multiphase alternating current, phase U | |
| BLDC_V | Multiphase alternating current, phase V | |
| BLDC_W | Multiphase alternating current, phase W | |
| BSM_(+) | Blind Spot Assist, power supply | |
| BSM_GND | Blind Spot Assist, ground connection | |
| BT | Bluetooth® | |
| BT-WLAN | Bluetooth® and WLAN | |
| BUL_(+) | Backup lamp | Reversing lamp actuation |
| CAN-AMG_H | AMG CAN, high | |
| CAN-AMG_L | AMG CAN, low | |
| CAN-A_H | Head unit CAN High | |
| CAN-A_L | Head unit 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-D_H | Diagnostic CAN High | |
| CAN-D_L | Diagnostic CAN Low | |
| CAN-H | CAN bus High | |
| 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 | CAN bus Low | |
| CAN-L_L | Hybrid CAN Low | |
| CAN-LR_H | Steering wheel CAN High | |
| CAN-LR_L | Steering wheel CAN Low | |
| CAN-PER-E1_H | Peripherals CAN (Front suspension) High | |
| CAN-PER-E1_L | Peripherals CAN (Front suspension) Low | |
| CAN-PER-E2_H | Peripherals CAN (Rear suspension) High | |
| CAN-PER-E2_L | Peripherals CAN (Rear suspension) Low | |
| CAN-PER_H | Periphery CAN high | |
| CAN-PER_L | Periphery CAN Low | |
| CAN-S1_H | Periphery CAN Low | |
| CAN-S1_L | Radar CAN 1 low | |
| CAN-S2_H | Radar CAN 2 high | |
| CAN-S2_L | Radar CAN 2 low | |
| CLOSE | Close liftgate signal | |
| CLUTCH_(+) | Actuation of magnetic clutch | |
| CP | CP signal (control pilot) | |
| CRASH | Crash signal | |
| CS | Signal (proximity) | |
| 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 | |
| D-SIG | Digital signal | |
| DTRL_(+) | Actuation of daytime running lights | |
| EKP | Electric fuel pump signal | |
| EKP_Lauf | Pump power supply | |
| ETH_(-) | Network connection Diagnosis, negative | Network connection (Ethernet) Diagnosis, negative |
| ETH_(+) | Network connection Diagnosis, positive | Network connection (Ethernet) Diagnosis, positive |
| ETH_RX- | Ethernet reception signal, negative | |
| ETH_RX+ | Ethernet reception signal, positive | |
| ETH_TX- | Ethernet transmission signal, negative | |
| ETH_TX+ | Ethernet transmission signal, positive | |
| Flex-E_BM | Chassis FlexRay bus, negative | |
| Flex-E_BP | Chassis FlexRay bus, positive | |
| FM2 | Antenna signalFM2 | |
| FM/DAB | FM and digital 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 |
| FRA_(+) | Direction indicator lamp | |
| G | Signal, green LED status display | |
| GND | Ground connection | Return line to battery negative or ground connection (indirect) |
| GSM | Global system mobile signal (GSM signal) | |
| GND_V | Virtual ground connection | |
| GPS | GPS signal | |
| H | High-side actuation | |
| HAZARD_SIG | Signal for actuating hazard warning lights | |
| HB_(+) | High beam actuation | |
| HEAT_(+) | Heating element power supply | |
| HEAT_GND | Heating element ground connection | |
| HGB_(+) | Background illumination | |
| HV_(+) | High-voltage power supply, positive | |
| HF | High frequency radio signal | |
| HIGH | High-side actuation/signal | |
| HSVL | High-speed video link | |
| HV_(+) | High voltage, positive | |
| HV_(-) | High voltage negative | |
| IL | Interlock circuit | |
| ILK | Interlock | |
| L1 | Phase 1 | |
| L2 | Phase 2 | |
| L1_(+) | Coil 1, power supply | |
| L2_(+) | Coil 2, power supply | |
| LIN-B10 | Right rear door LIN | |
| LIN-B14 | Alarm system LIN | |
| LIN-B18 | Driver seat LIN | |
| LIN-B19 | Front passenger seat LIN | |
| LIN-B20 | Left rear seat LIN | |
| LIN-B21 | Right rear seat LIN | |
| LIN-B22 | 48 V on-board electrical system LIN | |
| LIN-B26 | Massage components 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-B6 | Right front door LIN | |
| LIN-B8-2 | Climate control LIN 2 | |
| LIN-B8-4 | Climate control LIN 3 | |
| LIN-C2 | Engine LIN | |
| LVDS_RX- | Low Voltage Differential Signaling, reception, negative | |
| LVDS_RX+ | Low Voltage Differential Signaling, reception, positive | |
| INTERLOCK | Interlock circuit | |
| I_PUMP | Pump current | |
| ILLU_(+) | Illumination actuation | |
| L | Low-side actuation | |
| L1 | Coil 1 | |
| L2 | Coil 2 | |
| L1_(+) | Coil 1, power supply | |
| L2_(+) | Coil 2, power supply | |
| L1_GND | Switched ground connection, coil 1 | |
| L2_GND | Switched ground connection, coil 2 | |
| LB_(+) | Actuation of low beam | |
| LED_(+) | Illumination actuation | |
| LED_(-) | LED status display ground connection | |
| LED_1 | Switch and controls illumination, ground connection | |
| LED_2 | Function lighting, ground connection | |
| LEV_(+) | Headlamp range adjustment | |
| LF_1 | KEYLESS-GO antenna signal 1 | |
| LF_2 | KEYLESS-GO antenna signal 2 | |
| LF_MID | KEYLESS-GO antenna signal, center | |
| LIN | LIN bus | |
| LIN (ORC) | LIN-E2 | |
| LIN-B13 | Roof LIN | |
| LIN-B15 | Battery sensor LIN | |
| LIN-B16 | Rain and light sensor LIN | |
| LIN-B28 | Heater LIN | |
| LIN-B8-1 | Climate control LIN 1 | |
| LIN-B8-3 | AC operation LIN | |
| LIN-B8-5 | A/C actuator motors LIN | |
| LIN-C1 | Drive train LIN | |
| LIN-C3 | Drivetrain LIN | |
| LIN-E2 | Seat occupied recognition LIN | |
| Lock | Locking charging cable connector | |
| LOW | Low-side actuation/signal | |
| MIC_H | Audio signal, microphone, high | |
| MIC_L | Microphone audio signal Low | |
| MOST | Media Oriented System Transport | |
| MOT | Virtual ground connection | |
| MOT_(-) | Motor actuation, negative | |
| MOT_(+) | Motor actuation, positive | |
| MOT_(+)/GND | Engine plus/minus actuation | +/- depending on direction of rotation |
| MIC_(-) | Microphone negative | |
| MIC_(+) | Microphone positive | |
| MOT_(-) | Motor actuation, negative | |
| MOT_LR_(+)/GND | Mirror adjustment, motor actuation, positive/negative (right/left) | |
| MOT_UD_(+)/GND | Mirror adjustment, motor actuation, positive/negative (high/low) | |
| N | Neutral conductor | |
| MOT_GND | Motor actuation, negative | |
| MOT_GND/(+) | Engine minus/plus actuation | -/+ depending on direction of rotation |
| MPAC_U | Multiphase alternating current, phase U | |
| MPAC_V | Multiphase alternating current, phase V | |
| MPAC_W | Multiphase alternating current, phase W | |
| Mute | Mute function | |
| N | Neutral conductor | |
| NC | Not connected | |
| NSL | Rear fog lamp | |
| NSL_(+) | Rear fog lamp | |
| OPEN | Open liftgate signal | |
| PE | PE protective ground conductor (protective earth) | |
| PL/SL_(+) | Parking lights and tail light, combined | |
| PP | PP signal (proximity) | |
| P-NOT | Park pawl | |
| PWM | Pulse width modulation | |
| POS_(+) | Hall sensor power supply | |
| POS_1 | Sensor 1 position signal | |
| POS_2 | Sensor 2 position signal | |
| POS_3 | Sensor 3 position signal | |
| POS_GND | Hall sensor ground connection | |
| POS_HRES | High-resolution position signal | |
| POT | Potential equalization | |
| PUMP_(+) | Pump power supply | |
| PUMP_GND | Pump actuation via ground connection | |
| R | Right turn signal | |
| REF | Measurement reference signal | |
| REL_(-) | Relay actuation, negative | |
| REL_(+) | Relay actuation, positive | |
| REL_C_(+) | Actuation of relay NO contact, positive | |
| REL_GND | Actuation of relay ground connection | |
| REL_O_(+) | Actuation of relay NC contact, positive | |
| REL_O_GND | Actuation of relay NC contact, ground connection | |
| RFL_(+) | Rear fog lamp | Rear fog lamp actuation |
| SL_(+) | Taillamp | |
| SML_(+) | Side-marker lamps | |
| SENT | Digital signal line SENT | Single Edge Nibble Transmission signal line |
| SENS | Sensor signal | |
| SENS_(+) | Sensor power supply | |
| SENS_1 | Sensor signal for sensor 1 | |
| SENS_2 | Sensor signal for sensor 2 | |
| SENS_GND | Sensor ground connection | |
| SDARS | Satellite radio signal | Satellite Digital Audio Radio Services signal (North America) |
| Shield | Screening | |
| SIG | Signal | |
| (-) | Low potential | |
| SIG_(+) | Signal via transmit current | |
| SIG_1 | Signal 1 | |
| SIG_2 | Signal 2 | |
| SIG_3 | Signal 3 | |
| SIG_4 | Signal 4 | |
| SIG_A1 | Signal 1 | |
| SIG_A2 | Signal 2 | |
| SIG_A3 | Signal 3 | |
| SIG_GND | Signal via ground connection | |
| SIG_L1_GND | Actuation of coil 1 via ground connection | |
| SIG_L2_GND | Actuation of coil 2 via ground connection | |
| SML_L | Left side-marker lamp | |
| SML_R | Right side-marker lamp | |
| T_AC | Temperature measurement | |
| T_AC_1 | Temperature measurement sensor 1 | |
| T_AC_2 | Temperature measurement sensor 2 | |
| T_DC+ | Temperature measurement | |
| T_DC- | Temperature measurement | |
| T_Ref | Temperature measurement | |
| TEL | Signal, telephone | |
| TEMP | Temperature signal | |
| TEMP_(-) | Ground connection, temperature sensor | |
| TEMP_(+) | Temperature signal | |
| TL/PL_(+) | Tail light and parking lights, combined | |
| TK | Door lock rotary tumbler signal | |
| TL_(+) | Taillamp | Tail light actuation |
| TL/PL_(+) | Tail light and parking lights, combined | Actuation of combined tail light and parking lights |
| TSI_(+) | Direction indicator lamp | |
| TSI_R_(+) | Right turn signal | |
| TV | Antenna signal | |
| TV1 | Antenna signalTV1 | |
| TV3/SDARS | Antenna signalTV3 | |
| Unlock | Releasing charging cable connector | |
| USB_(+) | USB interface, power supply | |
| USB_D- | USB interface, data line, negative | |
| USB_D+ | USB interface, data line, positive | |
| 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_(+) | Valve + actuation | |
| VALVE_GND | Valve actuation via ground connection | |
| VICS | Signal for vehicle information and communication | Vehicle Information and Communication System, valid for Japan |
| VIDEO | Digital video signal | |
| W | Signal, white LED status display | |
| WLAN | WLAN signal | |
| WAKE_UP | Wake-up signal |