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Home >> Mercedes Benz >> 2021 >> S63 AMG 2D Convertible >> Repair and Diagnosis >> General Information >> OEM General Information >> Overall Vehicle - 217 Chassis (3 Of 7) >> User Information >> Abbreviations Of Signal And Circuit Designations For Wiring Diagrams - OV00.01-P-1001-28SEA

Abbreviations Of Signal And Circuit Designations For Wiring Diagrams - OV00.01-P-1001-28SEA

Model 217, 222 

Abbreviation Designation Notes
15 Terminal 15  
15M Circuit 15 engine compartment  
30 Circuit 30  
30t Positive battery voltage (via battery disconnect switch relay F33k3)  
31 Circuit 31  
40 Circuit 40  
41 Circuit 41  
45 Circuit 45  
49L Left turn signal lamp  
49R Right turn signal lamp  
50 Circuit 50  
54 Circuit 54  
56a High beam  
56b Low beam  
58 Position, tail, license plate and instrument lamps  
58d Variable instrument/switch illumination  
61 Terminal 61  
85 Circuit 85  
86 Circuit 86  
87 Circuit 87  
87M1 Circuit 87 M (engine)  
87M2 Circuit 87 M (engine)  
87M3 Circuit 87 M (engine)  
87M4 Circuit 87 M (engine)  
- Ground  
- (+) Motor, right, left-hand rotation  
+ (-) Motor, left, right-hand rotation  
(-) Ground  
(+) Voltage supply  
(+) 5V Voltage supply  
(+)_5V Voltage supply  
+ Voltage supply  
+/- Power supply/ground  
+12V Voltage supply  
+5V Voltage supply  
1. Zyl. Cylinder 1 glow plug  
115V 115V AC voltage  
115V AC1 115V AC1 to 115 V socket  
115V AC2 115V AC2 to 115 V socket  
12V Power supply (12V)  
12V_LIN B8-1 12V output for climate control-LIN1 (LIN B8-1)  
12V_LIN B8-2 12V output for climate control-LIN2 (LIN B8-2)  
15_RLY Vehicle interior terminal 15 relay  
15_RLY_SRB_H Actuation of relay for circuit 15, vehicle interior  
15R Circuit15R  
2. Zyl. Cylinder 2 glow plug  
230V AC1 230VAlternating voltage  
230V AC2 230VAlternating voltage  
3. BMSL Center high-mounted stop lamp LEDs  
3. Zyl. Cylinder 3 glow plug  
30 ung. Circuit 30 not switched  
30a Circuit 30a  
30b Circuit 30b  
30c Circuit 30c  
30g Circuit 30g  
30L Circuit 30L  
30z Circuit 30z  
31_LIN B8-1 Circuit 31, climate control LIN 1 (LIN B81)  
31L Ground  
31R Ground  
4. Zyl. Cylinder 4 glow plug  
42V- Heated windshield (negative)  
42V+ Heated windshield (positive)  
5. Zyl. Cylinder 5 glow plug  
58D Circuit 58D  
5V Fuel tank pressure sensor  
6. Zyl. Cylinder 5 glow plug  
87/1 Voltage supply circuit 87/1  
87/2 Supply voltage circuit 87/2  
87/4 Supply voltage circuit 87/4  
87C Circuit 87C  
87C1 Circuit 87C  
87/C2 Circuit 87C  
87M Circuit 87M  
87M_1 Circuit 87M  
87M_2 Circuit 87M  
87M_3 Circuit 87M  
87M_4 Circuit 87M  
_FLA_TA_BL Fire extinguishing system button illumination  
A (-) Engine fuse and relay module (-)  
A (+) Engine fuse and relay module (+)  
A (-) REL_R Engine fuse and relay module  
A (+) REL_R Engine fuse and relay module  
A (-) REL_R AIRmatic relay (negative)  
A (+) REL_R AIRmatic relay (positive)  
a_HA (-) Right rear body acceleration sensor (negative)  
a_HA (+) Right rear body acceleration sensor (positive)  
A_M_K_KK Actuation of refrigerant compressor magnetic clutch  
A_P_EVA Cylinder 1 fuel injector  
A_P_EVB Cylinder 4 fuel injector  
A_P_EVC Cylinder 5 fuel injector  
A_P_EVD Cylinder 2 fuel injector  
A_P_EVE Cylinder 5 fuel injector  
A_P_EVF Cylinder 3 fuel injector  
A_P_EVG Cylinder 6 fuel injector  
A_P_EVH Cylinder 8 fuel injector  
A_P_MSVH Quantity control valve (positive), actuation  
A_P_MSVH1 Quantity control valve  
A_P_MSVH2 Left quantity control valve  
A_P_MSVL Quantity control valve (negative), actuation  
A_P_MSVL1 Low quantity control valve  
A_P_MSVL2 Left quantity control valve (Low)  
A_P_TNA Power electronics control unit  
A_P_ZUE1 Cylinder 1 ignition coil  
A_P_ZUE2 Cylinder 4 ignition coil  
A_P_ZUE3 Cylinder 2 ignition coil  
A_P_ZUE4 Cylinder 5 ignition coil  
A_P_ZUE5 Cylinder 3 ignition coil  
A_P_ZUE6 Cylinder 6 ignition coil  
A_P_ZUE7 Cylinder 7 ignition coil  
A_P_ZUE8 Cylinder 8 ignition coil  
A_P_ZUE9 Cylinder 9 ignition coil  
A_P_ZUE10 Cylinder 10 ignition coil  
A_P_ZUE11 Cylinder 11 ignition coil  
A_P_ZUE12 Cylinder 12 ignition coil  
A_PMP Heater circuit circulation pump, actuation  
a_quer (Psi5-) Lateral acceleration sensor (negative)  
a_quer (Psi5+) Lateral acceleration sensor (positive)  
A_R_LSUVM1 Trimming resistor, lambda sensor upstream of catalytic converter  
A_RLY_15_MR Actuation of relay for circuit 15, engine compartment  
A_RLY_50 (-) Actuation of relay for circuit 50, starter (negative)  
A_RLY_50 (+) Actuation of relay for circuit 50, starter (positive)  
A_RLY_87M Actuation of relay for circuit 87M  
A_RLY_FANF Actuation of relay for horns  
A_RLY_HYB (-) Actuation of relay for HYBRID (negative)  
A_RLY_HYB (+) Actuation of relay for HYBRID (positive)  
A_RLY_UKP_BRM Actuation of relay for brake vacuum pump  
A_RLY_VAC_PUMP Actuation of vacuum pump  
A_RLY_VKP_H Engine fuse and relay module  
A_RLY_VKP_L Engine fuse and relay module  
A_RLY_WAHZG Actuation of relay for wiper park position heater  
A_S_DMTLH Actuation of fuel tank heating element diagnostic module  
A_S_DMTLP Actuation of fuel tank air pump diagnostic module  
A_S_EKP Fuel pump actuation  
A_S_DMTLV Actuation of electric fuel tank switchover valve diagnostic module  
A_S_KL50F Circuit 50F  
A_S_OFF Rear fuse and relay module  
A_S_OFF_15 Actuation of relay for circuit 15R (OFF)  
A_S_ON Rear fuse and relay module  
A_S_ON_15 Actuation of relay for circuit 15R (ON)  
A_S_SAM Front SAM control unit  
A_S_STRH Actuation of relay for circuit 50, starter (positive)  
A_S_STRL Actuation of relay for circuit 50, starter (negative)  
A_S_SU1 Intake manifold selector drum switchover valve  
A_S_SU2 Intake manifold resonance flap switchover valve  
A_T_DCM Throttle valve actuator  
A_T_DCP Throttle valve actuator  
A_T_FIV Activated charcoal filter shutoff valve  
A_T_FTIV Fuel tank shutoff valve  
A_T_KJA Fuel vapor shutoff valve  
A_T_KWTHS Coolant thermostat heating element  
A_T_LSH1 Actuation of fuel tank air pump diagnostic module  
A_T_LSH1HK Right oxygen sensor downstream of catalytic converter  
A_T_LSH1VK Right oxygen sensor upstream of catalytic converter  
A_T_LSH2 Actuation of electric fuel tank switchover valve diagnostic module  
A_T_LSH2HK Left oxygen sensor downstream of catalytic converter  
A_T_LSH2VK Left oxygen sensor upstream of catalytic converter  
A_T_NWSA Exhaust camshaft solenoid  
A_T_NWSA1 Right exhaust camshaft solenoid  
A_T_NWSA2 Left exhaust camshaft solenoid  
A_T_NWSE Intake camshaft solenoid  
A_T_NWSE1 Right intake camshaft solenoid  
A_T_NWSE2 Left intake camshaft solenoid  
A_T_OILP Engine oil pump valve  
A_T_LPV Purging switchover valve, actuation  
A_T_TEV Purge control valve  
A_T_WGV2 Combustion engine ground point  
A_U_5VG1M Sensor power supply  
A_U_5VG3F Sensor power supply  
A_U_5VG3M Sensor power supply  
A_U_5VIP Throttle valve actuator  
A_U_5VSP1 Sensor voltage (5V)  
A_U_BNKAA Cylinder 1 fuel injector  
A_U_BNKAE Cylinder 5 fuel injector  
A_U_BNKBB Cylinder 4 fuel injector  
A_U_BNKBF Cylinder 3 fuel injector  
A_U_BNKCC Cylinder 2 fuel injector  
A_U_BNKCG Cylinder 6 fuel injector  
A_U_BNKDD Cylinder 2 fuel injector  
A_U_BNKDH Cylinder 8 fuel injector  
A_U_LSU1VM Right oxygen sensor upstream of catalytic converter  
A_U_LSU2VM Left oxygen sensor upstream of catalytic converter  
A_VNT Stationary heater switchover valve  
A_V_Fond_VDF Actuation of rear A/C evaporator shutoff valve  
a_VL (-) Left front body acceleration sensor (negative)  
a_VL (+) Right front body acceleration sensor (positive)  
a_VR (-) Right front body acceleration sensor (negative)  
a_VR (+) Right front body acceleration sensor (positive)  
A1_BM FlexRay bus (Low)  
A1_BP FlexRay bus (High)  
A2_BM FlexRay bus (Low)  
A2_BP FlexRay bus (High)  
AB_DR Stage 1- Squib 1, driver airbag (negative)  
AB_DR Stage 1+ Squib 1, driver airbag (positive)  
AB_DR Stage 2- Squib 2, driver airbag (negative)  
AB_DR Stage 2+ Squib 2, driver airbag (positive)  
AB_FMIKO_BU Rear center console ambient lighting (blue)  
AB_FMIKO_RD Rear center console ambient lighting (red)  
AB_FMIKO_YE Rear center console ambient lighting (yellow)  
AB_FPS Stage 1- Squib 1, front passenger airbag (negative)  
AB_FPS Stage 1+ Squib 1, front passenger airbag (positive)  
AB_FPS Stage 2- Squib 2, front passenger airbag (negative)  
AB_FPS Stage 2+ Squib 2, front passenger airbag (positive)  
AB1, FA- Driver airbag squib 1  
AB1, FA+ Driver airbag squib 1  
AB2, FA- Driver airbag squib 2  
AB2, FA+ Driver airbag squib 2  
AB_2_(+) Actuation, driver airbag stage 2  
AB_2_GND Ground connection, driver airbag stage 2  
ABL_L Left low beam  
ABL_R Right low beam  
ABSPR_V_ KLA Front evaporator shutoff valve  
ABSPR_V_KLA Front evaporator shutoff valve  
ACT_ENG_ Left front bumper pedestrian protection sensor  
ACT_ENG_HD (-) Left front bumper pedestrian protection sensor (minus)  
ACT_ENG_HD (+) Left front bumper pedestrian protection sensor (plus)  
ACT_ENG_HD_R (-) Right front bumper pedestrian protection sensor (minus)  
ACT_ENG_HD_R (+) Right front bumper pedestrian protection sensor (plus)  
AHK i.O. AHK OK Trailer hitch release  
AHK n.i.O. Trailer hitch not OK Trailer hitch release  
AKT_TA Emergency fresh air system/fire extinguishing system activation button signal  
AKT_TA_BL Emergency fresh air system/fire extinguishing system activation button illumination  
AKV Actuation of activated charcoal canister shutoff valve  
AL_AGK Information analog input  
AL_FP_S1 Analog input 1 information  
AL_FP_S2 Analog input 2 information  
AL_FS1 Analog input information  
AL_T2 Analog input information  
ALDW- Steering wheel vibration motor  
ALK_OFN Vent flaps 'Open' relay  
ALK_SCL Vent flaps 'Close' relay  
ALR_STS Alarm status  
ALRM Alarm button  
AM Amplitude modulation  
AM/FM1 Amplitude modulation/frequency modulation 1  
AMAL_HZG Armrest heating element power supply  
AMAL_TMP Armrest heating element temperature sensor signal  
AMB_B_RD Ambiance illumination LED K3 (red)  
AMB_BER Ambiance illumination (amber)  
AMB_BU Ambiance illumination (blue)  
AMB_BU_FR Ambiance illumination (blue), footwell lamp  
AMB_BU_MK_F Center console/rear ambient lighting (blue)  
AMB_BU_PWM Ambiance illumination (blue), rear passenger compartment  
AMB_F_BU Ambiance illumination (blue), driver  
AMB_F_RD Ambiance illumination (red), driver  
AMB_F_YE Ambiance illumination (yellow), driver  
AMB_POL Ambiance illumination (polar)  
AMB_RD Ambiance illumination (red)  
AMB_RD_FR Ambiance illumination (red), footwell lamp  
AMB_RD_MK_COC Ambiance illumination (red), center console/cockpit  
AMB_RD_MK_F Ambiance illumination (red), center console/rear  
AMB_RD_PWM Ambiance illumination (red), rear passenger compartment  
AMB_YE Ambiance illumination (yellow)  
AMB_YE_FR Ambiance illumination (yellow), footwell lamp  
AMB_YE_MK_F Ambiance illumination (yellow), center console/rear  
AMB_YE_PWM Ambiance illumination (yellow), rear passenger compartment  
AMPS AMPS/CDMA signal  
Analog Analog signal  
AMPS Shield AMPS/CDMA shielding  
ANS_MTRL Switchable engine mount actuation  
ANS_MTRL L Actuation of left switchable engine mount  
ANS_MTRL R Actuation of right switchable engine mount  
ANST_UMLFT Air recirculation actuation  
ANT Antenna signal  
ANT TV3 Antenna TV3  
Ant. Emergency call system antenna splitter  
ANT_AM/FM1 AM/FM1 antenna  
ANT_AMP FM 1, AM, CL [ZV] and KEYLESS GO antenna amplifier  
ANT_FM/AM FM/AM antenna  
ANT_FM2 FM2 antenna  
ANT_FTL Left rear door KEYLESS GO antenna  
ANT_FTL_Sig. Left rear door KEYLESS-GO antenna (signal)  
ANT_FTR Right rear door KEYLESS GO antenna  
ANT_FTR_Sig. Right rear door KEYLESS GO antenna (signal)  
ANT_KR Trunk KEYLESS GO antenna  
ANT_KR_Sig. Trunk KEYLESS-GO antenna (signal)  
ANT_KR1 Trunk KEYLESS GO antenna  
ANT_MK Center console KEYLESS-GO antenna  
ANT_MK_Sig. Center console KEYLESS-GO antenna (signal)  
ANT_TV1 Antenna TV1  
ANT_TV2/DAB III TV 2 and DAB band III antenna  
ANT_TV2 Antenna TV2  
A_S_HAV Heating system shutoff valve actuation  
A_S_HR_HS Actuation of relay for circuit 87M  
A_S_LSHHK1 Oxygen sensor heater downstream of CAT 1  
A_S_SUL Actuation of bypass air switchover valve  
A_S_SUV1 Left bypass air switchover valve actuation  
A_S_SUV2 Right bypass air switchover valve actuation  
ASV_HV_KG High-volt battery cooling system shutoff valve  
A_T_CAMA2A Cylinder 1 and 2 exhaust CAMTRONIC actuator actuation  
A_T_CAMA2B Cylinder 1 and 2 exhaust CAMTRONIC actuator actuation  
A_T_CAME2A Cylinder 1 and 2 intake CAMTRONIC actuator actuation  
A_T_CAME2B Cylinder 1 and 2 intake CAMTRONIC actuator actuation  
A_T_CAMA3A Cylinder 3 and 4 exhaust CAMTRONIC actuator actuation  
A_T_CAMA3B Cylinder 3 and 4 exhaust CAMTRONIC actuator actuation  
A_T_CAME3A Cylinder 3 and 4 intake CAMTRONIC actuator actuation  
A_T_CAME3B Cylinder 3 and 4 intake CAMTRONIC actuator actuation  
A_T_CAMA5A Cylinder 5 and 6 exhaust CAMTRONIC actuator actuation  
A_T_CAMA5B Cylinder 5 and 6 exhaust CAMTRONIC actuator actuation  
A_T_CAME5A Cylinder 5 and 6 intake CAMTRONIC actuator actuation  
A_T_CAME5B Cylinder 5 and 6 intake CAMTRONIC actuator actuation  
A_T_CAMA8A Cylinder 7 and 8 exhaust CAMTRONIC actuator actuation  
A_T_CAMA8B Cylinder 7 and 8 exhaust CAMTRONIC actuator actuation  
A_T_CAME8A Cylinder 7 and 8 intake CAMTRONIC actuator actuation  
A_T_CAME8B Cylinder 7 and 8 intake CAMTRONIC actuator actuation  
A_T_DC1M Throttle valve actuator 1 -  
A_T_DC1P Throttle valve actuator 1 +  
A_T_DC2M Throttle valve actuator 2-  
A_T_DC2P Throttle valve actuator 2 +  
A_T_EKP Fuel system control unit actuation  
A_T_MSVH Quantity control valve High  
A_T_MSVH1 Quantity control valve 1 High  
A_T_MSVL Quantity control valve Low  
A_T_MSVL1 Quantity control valve 1 Low  
A_T_MSVH2 Quantity control valve 2 High  
A_T_MSVL2 Quantity control valve 2 Low  
A_T_TEV1 Right purging switchover valve actuation  
A_T_TEV2 Left purging switchover valve actuation  
A_T_WGV Wastegate valve actuation  
AT_LPV Actuation of purging switchover valve  
AT_HNS_1 Obstacle 1 separator  
AT_HNS_2 Obstacle 2 segregation  
A_T_OELP Actuation of engine oil pump valve  
ATR Outside temperature sensor  
AUX Supply AUX supply  
AUX_Audio_in_L Audio input (left)  
AUX_Audio_in_R Audio input (right)  
AUX_GND AUX ground  
AUX_Video AUX video  
AUX_Video_in AUX video input  
AV_HL (-) Left rear suspension strut shutoff valve  
AV_HL (+) Left rear suspension strut shutoff valve  
AV_HL (-) Left rear suspension strut shutoff valve (negative)  
AV_HL (+) Left rear suspension strut shutoff valve (positive)  
AV_HR (+) Right rear suspension strut shutoff valve (positive)  
AV_HR (-) Right rear suspension strut shutoff valve (negative)  
AV_HR (+) Right rear suspension strut shutoff valve (positive)  
AV_OSD Oil spray nozzle shutoff valve  
AV_VL (-) Left front suspension strut shutoff valve (negative)  
AV_VL (+) Left front suspension strut shutoff valve (positive)  
AV_VR (-) Right front suspension strut shutoff valve (negative)  
AV_VR (+) Right front suspension strut shutoff valve (positive)  
AWL Exit and warning lamp power supply  
B_D_CANHA CAN H (igh) signal  
B_D_CANLA CAN L (ow) signal  
B_D_CANHC CAN H (igh) signal  
B_D_CANLC CAN L (ow) signal  
B_D_LIN Radiator sensor for engine diagnosis  
B_FR_L (-) Left footwell bass speaker (minus)  
B_FR_L (+) Left footwell bass speaker (plus)  
B_FR_R (-) Right footwell bass speaker (minus)  
B_FR_R (+) Right footwell bass speaker (plus)  
B_FT_L (-) Left rear door bass speaker (negative)  
B_FT_L (+) Left rear door bass speaker (positive)  
BB_LR (-) Left rear belt airbag squib (negative)  
BB_LR (+) Left rear belt airbag squib (positive)  
BB_RR (-) Right rear belt airbag squib (negative)  
BB_RR (+) Right rear belt airbag squib (positive)  
BBV_H_R Right rear brake wear sensor  
BBV_HR Right rear brake wear sensor  
BBV_VR Right front brake wear sensor  
BCL_SW_DR (-) Driver seat belt buckle switch (negative)  
BCKP_BT Overvoltage protection diode  
BCL_SW_DR (+) Driver seat belt buckle switch (positive)  
BCL_SW_PS (-) Front passenger seat belt buckle switch (negative)  
BCL_SW_PS (+) Front passenger seat belt buckle switch  
BF_L_DR (-) Driver driver belt force limiter (negative)  
BF_L_DR (+) Driver driver belt force limiter (positive)  
BF_L_FPS (-) Front passenger belt force limiter (negative)  
BF_L_FPS (+) Front passenger belt force limiter (positive)  
BFSD Brake fluid level switch  
BKL_L Left turn signal light actuation  
BKL_R Right turn signal light actuation  
BL Brake light  
BL_L Left stop lamp  
BL_R Right stop lamp  
BLL_AKV Emergency vehicle warning light active  
BLK Outside mirror turn signal lamp actuation  
BLS_GND Brake light switch ground  
BLS_H Brake light switch, High signal  
BLS_L Brake light switch, Low signal  
BLS_SUP Brake light switch power supply  
Bluetooth Bluetooth® antenna  
BML Right brake light, signal output  
BPV_Sig Exhaust gas recirculation cooler bypass switchover valve  
BPV_Sig. Exhaust gas recirculation cooler bypass switchover valve  
BR_DS1 Cylinder 1 combustion chamber pressure sensor  
BR_DS2 Cylinder 2 combustion chamber pressure sensor  
BR_DS3 Cylinder 3 combustion chamber pressure sensor  
BR_DS4 Cylinder 4 combustion chamber pressure sensor  
BS AirCap Soft top operating switch, AIRCAP  
BS_FH_Z_H Soft top operating switch, center up  
BS_FH_Z_T Soft top operating switch, center down  
BS_VD_Ofn Soft top operating switch, open soft top  
BS_VD_Schl Soft top operating switch, close soft top  
BSL_BL_L Left brake light and turn signal light  
BSL_BL_R Right brake light and turn signal light  
BSL1_L Left stop lamp  
BSL1_R Right stop lamp  
BSL2_L Left taillight and brake light  
BSL2_R Right taillight and brake light  
BSW (-) Left Blind Spot Assist readiness and warning indicator actuation  
BSW (+) Left Blind Spot Assist readiness and warning indicator actuation  
BT_ANT Bluetooth® antenna  
BT_Open Open control button  
CAN H CAN bus (High)  
CAN L CAN bus (low)  
CAN PER H CAN PER H electronic ignition lock control unit  
CAN PER L CAN PER L electronic ignition lock control unit  
CAN_ESP H ESP sensor CAN H  
CAN_ESP L ESP sensor CAN L  
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 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 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 L Multifunction CAN (Low)  
CAN-K H Multifunction CAN (High)  
CAN-L H Hybrid CAN (High)  
CAN-L L Hybrid CAN (Low)  
CAN-PER H Periphery CAN (High)  
CAN-PER L Periphery CAN (Low)  
CAN-LR H Steering wheel CAN High  
CAN-LR L Steering wheel CAN Low  
CAN-S H Radar CAN (High)  
CAN-S L Radar CAN (Low)  
CAN-S_H Rear bumper radar sensor  
CAN-S_H H Left rear bumper radar sensor  
CAN-S_H L Left front bumper radar sensor  
CAN-S_H_H Left rear bumper radar sensor  
CAN-S_H_L Left front bumper radar sensor  
CAN-S1 L Radar CAN 1 (Low)  
CAN-S1 H Radar CAN 1 (High)  
CAN-S2 L Radar CAN 2 (Low)  
CAN-S2 H Radar CAN 2 (High)  
CB_RL (-) Left rear cushion airbag squib (negative)  
CB_RL (+) Left rear cushion airbag squib (positive)  
CB_RR (-) Right rear cushion airbag squib (negative)  
CB_RR (+) Right rear cushion airbag squib (positive)  
Cen_MR - Center console tweeter  
Cen_MR + Center console tweeter  
Cen_TR - Center console midrange speaker  
Cen_TR + Center console midrange speaker  
CenHT_F- Center instrument panel tweeter (negative)  
CenHT_F+ Center instrument panel tweeter (positive)  
CenMF- Center instrument panel midrange speaker (negative)  
CenMF + Center instrument panel midrange speaker  
CenMF+ Center instrument panel midrange speaker (positive)  
CENTER- Center instrument panel speaker (negative)  
CENTER+ Center instrument panel speaker (positive)  
CH_LI Coming HOME (light scenario)  
CLU_GND Yaw rate sensor for lateral and longitudinal acceleration ground  
CLU_SUP Power supply for yaw rate sensor for lateral and longitudinal acceleration  
Cntrl 1 Bass speaker amplifier  
Coil 1 Coil 1  
Coil 2 Coil 2  
CP Control pilot  
Cradle_ Cellular telephone system antenna amplifier/compensator  
Cradle_WakeUp Telephone wake-up signal  
CRASH Crash signal  
Crash Crash signal  
Crash Analog Analog crash signal  
Crash_DR_LR (-) Left rear door pressure sensor (negative)  
Crash_DR_LR (+) Left rear door pressure sensor (positive)  
Crash_DR_RR (-) Right rear door pressure sensor (negative)  
Crash_DR_RR (+) Right rear door pressure sensor (positive)  
Crash_FR_L (-) Left front door pressure sensor (negative)  
Crash_FR_L (+) Left front door pressure sensor (positive)  
Crash_FR_R (-) Right front door pressure sensor (negative)  
Crash_FR_R (+) Right front door pressure sensor (positive)  
Crash_LF (-) Left frontal acceleration sensor (negative)  
Crash_LF (+) Left frontal acceleration sensor (positive)  
Crash_LH (-) Left sidebag sensor (negative)  
Crash_LH (+) Left sidebag sensor (positive)  
Crash_RF (-) Right frontal acceleration sensor (negative)  
Crash_RF (+) Right frontal acceleration sensor (positive)  
Crash_RH (-) Right sidebag sensor (negative)  
Crash_RH (+) Right sidebag sensor (positive)  
CTA_CS CTA cable detect  
D+ Universal serial bus data +  
D- Universal serial bus data -  
DAB DAB antenna  
DAB-III DAB-III antenna  
DAB-L DAB L-band antenna  
DAB/SDARS DAB antenna/SDAR antenna  
DAM HR2 (-) Right rear Active Body Control damping valve (negative)  
DAM_HL2 (-) Left rear Active Body Control damping valve (negative)  
DAM_HL2 (+) Left rear Active Body Control damping valve (positive)  
DAM_HR2 (+) Right rear Active Body Control damping valve (positive)  
DAM_VL1 (-) Left front suspension strut closed-loop control valve (negative)  
DAM_VL1 (+) Left front suspension strut control valve  
DAM_VL1_(+) Left front suspension strut closed-loop control valve (positive)  
DAM_VL2 (-) Left front Active Body Control damping valve (negative)  
DAM_VL2 (+) Left front Active Body Control damping valve (positive)  
DAM_VR1 (-) Right front suspension strut closed-loop control valve (negative)  
DAM_VR1_(+) Right front suspension strut closed-loop control valve (positive)  
DAM_VR2 (-) Right front Active Body Control damping valve (negative)  
DAM_VR2 (+) Right front Active Body Control damping valve (positive)  
DATA Data  
DATA_S1 Outer left front parking system distance sensor data  
DATA_S10 Inner left rear parking system distance sensor data  
DATA_S11 Center left rear parking system distance sensor data  
DATA_S12 Outer left rear parking system distance sensor data  
DATA_S2 Center left front parking system distance sensor data  
DATA_S3 Inner left front parking system distance sensor data  
DATA_S4 Inner right front parking system distance sensor data  
DATA_S5 Center right front parking system distance sensor data  
DATA_S6 Outer right front parking system distance sensor data  
DATA_S7 Outer right rear parking system distance sensor data  
DATA_S8 Center right rear parking system distance sensor data  
DATA_S9 Inner right rear parking system distance sensor data  
DCHZ_STAT Roof sign status  
DDS_DPF Engine fuse and relay module  
Diag. Diagnosis  
DISP. REAR (+) Rear parking system indicator  
DISP. REAR DATA Rear parking system indicator  
Disp_HL_BU Audio/COMAND display ambient lighting (blue)  
Disp_HL_GND Audio/COMAND display ambient lighting (ground)  
Disp_HL_RD Audio/COMAND display ambient lighting (red)  
Disp_HL_WH Audio/COMAND display ambient lighting (white)  
DISP_REAR (+) Rear parking system display power supply  
DISP_REAR DATA Rear parking system display data  
DK_ABLV (-) AIRMATIC pressure reduction valve  
DK_ABLV (+) AIRMATIC pressure reduction valve  
DK_ABLV (-) AIRmatic pressure reduction valve (negative)  
DK_ABLV (+) AIRmatic pressure reduction valve (positive)  
DL_KS_FL Left rear vanity mirror dome lamp  
DL_KS_FR Right rear vanity mirror dome lamp  
DMTLV Left exhaust flap actuator motor  
DR_LR (-) Left rear door pressure sensor  
DR_LR (+) Left rear door pressure sensor  
DR_RR (-) Right rear door pressure sensor  
DR_RR (+) Right rear door pressure sensor  
DRK_KL TM Refrigerant pressure sensor signal  
DRK_KLTM Refrigerant pressure sensor signal  
DRV Pressure regulator valve  
DSRC DSRC antenna  
DSRPMP Stationary heater fuel pump  
DST Fuel tank pressure sensor  
DVHS (-) AdBlue® metering valve actuation (negative)  
DVHS (+) AdBlue® metering valve actuation (positive)  
DW_LDR Exhaust flap switchover valve  
DWS_HL (-) Left rear level sensor (negative)  
DWS_HL (+) Left rear level sensor (positive)  
DWS_HL Sig. Left rear level sensor (signal)  
DWS_HR (-) Right rear level sensor (negative)  
DWS_HR (+) Right rear level sensor (positive)  
DWS_HR Sig. Right rear level sensor (signal)  
DWS_VL (-) Left front level sensor (negative)  
DWS_VL (+) Left front level sensor (positive)  
DWS_VL Sig. Left front level sensor (signal)  
DWS_VR (-) Right front level sensor (negative)  
DWS_VR (+) Right front level sensor (positive)  
DWS_VR Sig. Right front level sensor (signal)  
DZS_HL_H Left rear axle rpm sensor (high)  
DZS_HL_L Left rear axle rpm sensor (low)  
DZS_HR_H Right rear axle rpm sensor (high)  
DZS_HR_L Right rear axle rpm sensor (low)  
DZS_VL_H Left front axle rpm sensor (high)  
DZS_VL_L Left front axle rpm sensor (low)  
DZS_VR_H Right front axle rpm sensor (high)  
DZS_VR_L Right front axle rpm sensor (low)  
E_A_DKR1 Pressure and temperature sensor for fuel rail pressure 1  
E_A_DKR2 Pressure and temperature sensor for fuel rail pressure 2  
E_A_DREG Purging pressure sensor  
E_A_DREG1 Full-load regeneration pressure sensor 1  
E_A_DREG2 Full-load regeneration pressure sensor 2  
E_A_DS Pressure sensor downstream of throttle valve  
E_A_DSKHP1 Fuel pressure and temperature sensor  
E_A_DS1 Pressure sensor in intake manifold 1  
E_A_DS2 Pressure sensor in intake manifold 2  
E_A_DSLF1 Pressure sensor downstream of air filter, right cylinder bank  
E_A_DSLF2 Pressure sensor downstream air filter, left cylinder bank  
E_A_DSLL Pressure sensor upstream of throttle valve  
E_A_DSLL1 Pressure sensor upstream of throttle valve 1  
E_A_DSLL2 Pressure sensor upstream of throttle valve 2  
E_A_DSVV Pressure sensor downstream of air filter  
E_A_DSVV1 Pressure sensor downstream of air filter 1  
E_A_DSVV2 Pressure sensor downstream of air filter 2  
E_A_GANG1 Actuation of fuel tank heating element diagnostic module  
E_A_GNAG2 Purging pressure sensor, signal  
E_A_IP1S1 Throttle valve 1 feedback sensor 1  
E_A_IP1S2 Throttle valve 1 feedback sensor 2  
E_A_IP2S1 Throttle valve 2 feedback sensor 1  
E_A_IP2S2 Throttle valve 2 feedback sensor 2  
E_A_IP1S Throttle valve actuator motor  
E_A_IP2S Throttle valve actuator motor  
E_A_KS1A Knock sensor 1  
E_A_KS1B Knock sensor 1  
E_A_KS2A Knock sensor 2  
E_A_KS2B Knock sensor 2  
E_A_KS3A Knock sensor 3  
E_A_KS3B Knock sensor 3  
E_A_KS4A Knock sensor 4  
E_A_KS4B Knock sensor 4  
E_A_LSHK1 LTC oxygen sensor 1 downstream of CAT  
E_A_LSHK2 LTC oxygen sensor 2 downstream of CAT  
E_A_LS2HK Left oxygen sensor heater downstream of catalytic converter  
E_A_LS1HK Sensor element of oxygen sensor downstream of catalytic converter  
E_A_LSH1HK Right oxygen sensor element downstream of catalytic converter  
E_A_LSUIA1 Oxygen sensor 1, compensating current  
E_A_LSUIA2 Oxygen sensor 2, compensating current  
E_A_LSUIP1 Oxygen sensor 1, pump current  
E_A_LSUIP2 Oxygen sensor 2, pump current  
E_A_LSU1IA Right oxygen sensor upstream of catalytic converter  
E_A_LSU1IP Right oxygen sensor upstream of catalytic converter  
E_A_LSU1UN Right oxygen sensor upstream of catalytic converter  
E_A_LSU2IA Left oxygen sensor upstream of catalytic converter  
E_A_LSU2IP Left oxygen sensor upstream of catalytic converter  
E_A_LSU2UN Left oxygen sensor upstream of catalytic converter  
E_A_LSUUN1 Oxygen sensor 1, Nernst voltage  
E_A_LSUUN2 Oxygen sensor 2, Nernst voltage  
E_A_LSUVM1 Lambda sensor 1, ground  
E_A_LSUVM2 Lambda sensor 2, ground  
E_A_TANSS Intake manifold intake air temperature sensor  
E_A_TANS1 Intake air temperature in intake manifold 1  
E_A_TANS2 Intake air temperature in intake manifold 2  
E_A_TKS1 Pressure and temperature sensor for fuel rail temperature 1  
E_A_TKS2 Pressure and temperature sensor for fuel rail temperature 2  
E_A_TMOT1 Engine/coolant temperature sensor 1  
E_A_TOEL Oil temperature sensor  
E_A_TKS Fuel pressure and temperature sensor  
E_A_TANSV Intake air temperature sensor  
E_A_TKS Fuel pressure and temperature sensor  
E_A_TMOT Coolant temperature sensor  
E_F_CAMA2 Cylinder 1 and 2 exhaust CAMTRONIC actuator actuation  
E_F_CAME2 Cylinder 1 and 2 intake CAMTRONIC actuator actuation  
E_F_CAMA3 Cylinder 3 and 4 exhaust CAMTRONIC actuator actuation  
E_F_CAME3 Cylinder 3 and 4 intake CAMTRONIC actuator actuation  
E_F_CAMA5 Cylinder 5 and 6 exhaust CAMTRONIC actuator actuation  
E_F_CAME5 Cylinder 5 and 6 intake CAMTRONIC actuator actuation  
E_F_CAMA8 Cylinder 7 and 8 exhaust CAMTRONIC actuator actuation  
E_F_CAME8 Cylinder 7 and 8 intake CAMTRONIC actuator actuation  
E_F_KS1A Knock sensor 1 A  
E_F_KS1B Knock sensor 1 B  
E_F_KS2A Knock sensor 2 A  
E_F_KS2B Knock sensor 2 B  
E_F_KS3A Knock sensor 3 A  
E_F_KS3B Knock sensor 3 B  
E_F_KS4A Knock sensor 4 A  
E_F_KS4B Knock sensor 4 B  
E_F_KWG Crankshaft Hall sensor  
E_F_KWGA Crankshaft Hall sensor  
E_F_MOK Oil sensor signal (oil level, temperature and quality)  
E_F_NWGA Exhaust camshaft Hall sensor  
E_F_NWGA1 Right exhaust camshaft Hall sensor  
E_F_NWGA2 Left exhaust camshaft Hall sensor  
E_F_NWGE Intake camshaft Hall sensor  
E_F_NWGE1 Right intake camshaft Hall sensor  
E_F_NWGE2 Left intake camshaft Hall sensor  
E_S_FSMOEL Oil level check switch  
EDW_HSCHF Glove compartment anti-theft alarm system switch  
EKP_GND Fuel pump ground  
EKP_U AC signal for fuel pump (phase U)  
EKP_V AC signal for fuel pump (phase V)  
EKP_W AC signal for fuel pump (phase W)  
EKPR Fuel pump "ON"  
EL_VL Left outside mirror ambient lamp actuation  
Enable DC/AC converter control unit signal  
ENG_HD_L (-) Left active engine hood squib (minus)  
ENG_HD_L (+) Left active engine hood squib (plus)  
ENG_HD_R (-) Right active engine hood squib (minus)  
ENG_HD_R (+) Right active engine hood squib (plus)  
ENTK_SCH_3S Start/stop decoupling switch  
ENTK_SCH-3S Start/stop decoupling switch  
E_S_CRASH Crash signal  
E_S_KL15 Circuit 15 input signal  
ES_Wsch_O Draft stop up limit switch  
ES_Wsch_U Draft stop down limit switch  
ESSCH_B_H_L Left rear illuminated door sill molding  
ESSCH_B_H_R Right rear illuminated door sill molding  
ESSCH_B_V_L Left front illuminated door sill molding  
ESSCH_B_V_R Right front illuminated door sill molding  
ETC Coolant thermostat heating element  
E_T_LTOEL Engine oil temperature sensor  
ETN_Rx- Ethernet Receiving (minus)  
ETN_Rx+ Ethernet Receiving (plus)  
ETN_Tx- Ethernet Transmission (minus)  
ETN_Tx+ Ethernet Transmission (plus)  
EV1 Cylinder 1 injection valve  
EV2 Cylinder 2 injection valve  
EV3 Cylinder 3 injection valve  
EV4 Cylinder 4 injection valve  
EV5 Cylinder 5 injection valve  
EV6 Cylinder 6 injection valve  
EV7 Cylinder 7 injection valve  
EV8 Cylinder 8 injection valve  
EV9 Cylinder 9 injection valve  
EV10 Cylinder 10 injection valve  
EV11 Cylinder 11 injection valve  
EV12 Cylinder 12 injection valve  
EVO_PRTS_DR (-) Driver PRE-SAFE® pulse squib (minus)  
EVO_PRTS_DR (+) Driver PRE-SAFE® pulse squib (plus)  
EVO_PRTS_PS (-) Front passenger PRE-SAFE® pulse squib (minus)  
EVO_PRTS_PS (+) Front passenger PRE-SAFE® pulse squib (plus)  
EXHST_V_FPS (-) Front passenger airbag vent valve squib (minus)  
EXHST_V_FPS (+) Front passenger airbag vent valve squib (plus)  
FAN_CTRL Fan control  
FAN_DIAG Fan diagnosis  
FD_NFS Compressed air reservoir pressure switch (Low)  
FH_DOWN Power window switch down signal  
FH_UP Power window switch up signal  
FHL_H Left rear power window motor up  
FHL_T Left rear power window motor down  
FHR_H Right rear power window motor up  
FHR_T Right rear power window motor down  
FHS_DOWN Power window switch, front passenger side  
FHS_UP Power window switch, front passenger side  
FK_AUF Two-way radio connection  
FK_AUF_IN Two-way radio cut-in input signal  
FK_AUF_STAT Two-way radio cut-in button status  
FK_HLF Radio help call  
FL1 Sensor signal, fuel tank fuel level indicator fill level sensor, left  
FL2 Sensor signal, fuel tank fuel level indicator fill level sensor, right  
FLA_TA Fire extinguishing system button signal  
FLD_FLA Extinguishing agent tank pressure sensor  
Flex BM2 FlexRay bus (Low)  
Flex BP2 FlexRay bus (High)  
Flex E A1 BM FlexRay bus (Low)  
Flex E A1 BP FlexRay bus (High)  
Flex E A2 BM FlexRay bus (Low)  
Flex E A2 BP FlexRay bus (High)  
Flex E_A1_BM FlexRay bus (Low)  
Flex E_A1_BP FlexRay bus (High)  
Flex E_A2_BM FlexRay bus (Low)  
Flex E_A2_BP FlexRay bus (High)  
Flex E_BM FlexRay bus (Low)  
Flex E_BMb FlexRay bus (Low)  
Flex E_BMt FlexRay bus (Low)  
Flex E_BP FlexRay bus (High)  
Flex E_BPb FlexRay bus (High)  
Flex E_BPt FlexRay bus (High)  
Flex E_T_BM FlexRay bus (Low)  
Flex E_T_BP FlexRay bus (High)  
FM/AM FM/AM antenna signal  
FM1 FM 1, AM, CL [ZV] and KEYLESS GO antenna amplifier  
FM2 FM 2, AM, CL [ZV] and KEYLESS GO antenna amplifier  
FMTDE_L Left rear center air vent potentiometer signal  
FMTDE_R Right rear center air vent potentiometer signal  
FR - Right rear door midrange speaker  
FR + Right rear door midrange speaker  
FR A1 BM FlexRay bus (Low)  
FR A1 BP FlexRay bus (High)  
FR A2 BM FlexRay bus (Low)  
FR A2 BP FlexRay bus (High)  
FR BM FlexRay bus (Low)  
FR BM 1 FlexRay bus 1 (Low)  
FR BM 2 FlexRay bus (Low)  
FR BM1 FlexRay bus (Low)  
FR BM1 FlexRay bus 1 (Low)  
FR BM2 FlexRay bus (Low)  
FR BM2 FlexRay bus 2 (Low)  
FR BP FlexRay bus (High)  
FR BP 1 FlexRay bus (High)  
FR BP 2 FlexRay bus (High)  
FR BP1 FlexRay bus (High)  
FR BP1 FlexRay bus 1 (High)  
FR BP2 FlexRay bus (High)  
FR BP2 FlexRay bus 2 (High)  
FR_A_BM FlexRay bus (Low)  
FR_A_BP FlexRay bus (High)  
FR_A1_BM FlexRay bus (Low)  
FR_A1_BP FlexRay bus (High)  
FR_BM FlexRay bus (Low)  
FR_BM2 FlexRay bus (Low)  
FR_BP FlexRay bus (High)  
FR_BP2 FlexRay bus (High)  
FR_L (-) Left footwell bass speaker  
FR_L (+) Left footwell bass speaker  
FR_R (-) Right footwell bass speaker  
FR_R (+) Right footwell bass speaker  
FR1 BM0 FlexRay bus (Low)  
FR1 BP0 FlexRay bus (High)  
FR2 BM1 FlexRay bus (Low)  
FR2 BP1 FlexRay bus (High)  
FR3 SMCP BM2 FlexRay bus (Low)  
FR3 SMCP BP2 FlexRay bus (High)  
FR3 BM2 FlexRay bus (Low)  
FR3 BP2 FlexRay bus (High)  
FR4 BM3 FlexRay bus (Low)  
FR4 BP3 FlexRay bus (High)  
FR6 BM5 FlexRay bus (Low)  
FR6 BP5 FlexRay bus (High)  
FR7_BM6 FlexRay bus (Low)  
FR7_BP6 FlexRay bus (High)  
FRA_L Left rear turn signal lamp  
FRA_R Right rear turn signal lamp  
FRL_F Rear footwell illumination  
FRL_L_WH Left rear footwell lamp (white) actuation  
FRL_R_WH Right rear footwell lamp (white) actuation  
FRL_V Front footwell lamp (white)  
FRL_V_WH Front footwell lamp (white)  
FV_ZSP (-) Filling valve for AIRmatic central reservoir (minus)  
FZV FM 1, AM, CL [ZV] and KEYLESS GO antenna amplifier  
G_R_APP1 Signal ground 1  
G_R_APP2 Signal ground 2  
G_R_GND Sensor ground for temperature sensor upstream of SCR catalytic converter  
GRB_ASF_L Extend left seat belt extender  
GRB_ASF_R Extend right belt extender  
GRB_ENF_L Retract left seat belt extender  
GRB_ENF_R Retract right seat belt extender  
Green_LED Actuation LED (green)  
GDS_Sig Exhaust pressure sensor signal  
GND_CC Ground connection LED  
GND_Tsens Ground connection, temperature sensor  
GND_V Virtual ground connection  
GND Ground  
GND HS Hall sensors ground  
GND LED 1_A Circuit 31, left rear seat active belt buckle illumination  
GND LED 1_B Circuit 31, right rear seat active belt buckle illumination  
GND Sig. 1_A Circuit 31 event 1, left rear seat active belt buckle motor  
GND Sig. 1_B Circuit 31 event 1, right rear seat active belt buckle motor  
GND Sig. 2_A Circuit 31 event 2, left rear seat active seat belt buckle motor  
GND Sig. 2_B Circuit 31 event 2, right rear seat active seat belt buckle motor  
GND Sig. SO_A Circuit 31 signal S0, left rear seat active belt buckle motor  
GND Sig. SO_B Circuit 31 signal S0, right rear seat active belt buckle motor  
GND Sig. Temp. 1_B Circuit 31, right rear seat active belt buckle temperature sensor  
GND Temp. 1_A Circuit 31, left rear seat active belt buckle temperature sensor  
GPS GPS signal  
GPS Shield GPS shielding  
GSCH_2.SR_L Left rear seat belt buckle switch signal  
GSCH_2.SR_M Center rear seat belt buckle switch signal  
GSCH_2.SR_R Right rear seat belt buckle switch signal  
GTK BF Seat belt comfort-fit function solenoid actuation, front passenger seat  
GTK F Seat belt comfort-fit function solenoid actuation, driver seat  
GTK_FL Seat belt comfort-fit function solenoid, left rear seat  
GTK_FR Seat belt comfort-fit function solenoid actuation, right rear seat  
H_Left Left front seat AIRSCARF heating element  
H_NEIG_Sig. Horizontal inclination adjustment potentiometer signal  
H_Right Right front seat AIRSCARF heating element  
HB Circuit 87M relay ground  
HB_O_L Upper soft top bow, limit switch  
HB_U_L Lower left soft top bow locked, limit switch  
HB_U_R Lower right soft top bow locked, limit switch  
HB1_M- Circuit breaker/power driver (-)  
HB1_M+ Circuit breaker/power driver (+)  
HD_AT Trunk lid/liftgate external operation switch signal  
HD_IT Trunk lid/liftgate control button  
HD_IT_BEL Trunk lid/liftgate control button illumination  
HD_NOEF Trunk lid emergency opening switch signal  
HD_NOEF_BEL Trunk lid emergency opening switch illumination  
HD_O Rear switching module upper sensor  
HD_U Rear switching module lower sensor  
HDK_Z Trunk lid closed limit switch  
HE_(-) Left oxygen sensor downstream of catalytic converter  
HEAT_(+) Heating element power supply  
HEAT_GND Heating element ground connection  
heater (-) Left oxygen sensor downstream of catalytic converter  
Heater 1 Condensation sensor for fuel filter with heating element  
Heater 2 Condensation sensor for fuel filter with heating element  
HEL_Sig Vent line heater element  
HEL_Sig. Vent line heater element  
HEMT_DL AdBlue® pressure line heating element  
HF_Sig1 Hot film mass air flow sensor signal 1  
HF_Sig2 Hot film mass air flow sensor signal 2  
HFS_S_WGB Remote trunk closing displacement sensor signal  
HFS_V_WGB Remote trunk closing displacement sensor supply  
HFS Close Trunk lid/liftgate control button down signal  
HFS Open Trunk lid/liftgate control button up signal  
HIGH High-side actuation/signal  
HK_SF_FL Left rear seat sitting surface heated cushion  
HK_SF_FR Right rear seat cushion heater pad actuation  
HK_SF_VL Left front seat cushion heater pad actuation  
HK_SF_VR Right front seat cushion heater pad actuation  
HK_SL_FL Left rear backrest heated cushion  
HK_SL_FR Right rear backrest heater pad actuation  
HK_SL_VL Left front backrest heater pad actuation  
HK_SL_VR Right front backrest heater pad actuation  
HR_M - (+) Rear window roller sun blind motor minus (plus)  
HR_M + (-) Rear window roller sun blind motor plus (minus)  
HRN_KNT Horn contact  
HS Hall sensor signal  
HS Sig. Hall sensor signal  
HS_Sig. Trailer hitch release Hall sensor signal  
HS_SIG1_HR Rear window roller sun blind motor Hall sensor signal 1  
HS_SIG2_HR Rear window roller sun blind motor Hall sensor signal 2  
HS_PWM1_ML1 Circuit breaker/power driver  
HS_PWM1_ML2 Circuit breaker/power driver  
HS_U+ Left front door tweeter Hall sensor, power supply  
HS_VS_HR Rear window roller sun blind motor Hall sensor power supply  
HS1 Hall sensor 1  
HS2 Hall sensor 2  
HSCH_HRK Trunk lid/liftgate locking element main locking contact signal  
HSCH_SM_A1 Trunk lid/liftgate locking element  
HSCH_SM_A2 Trunk lid/liftgate locking element  
HSCH_VRK Trunk lid/liftgate locking element pre-locking contact signal  
HSCH_ZSK Trunk lid/liftgate locking element gear contact signal  
HSH Rear fuse and relay module  
HSK_K Glove box lamp switch  
HSK_MIKO_A1 Glove compartment/stowage compartment central locking motors  
HSK_MIKO_A2 Glove compartment/stowage compartment central locking motors  
HSVL_AUX AUX (multimedia connection unit) actuation signal  
HSVL_DL Left rear display actuation signal  
HSVL_DR Right rear display actuation signal  
HT_DBE - Overhead control panel tweeter  
HT_DBE + Overhead control panel tweeter  
HT_DVKG- Headliner tweeter (minus)  
HT_DVKG+ Headliner tweeter (plus)  
HT_FL - Left rear door tweeter (minus)  
HT_FL+ Left rear door tweeter (plus)  
HT_FR- Right rear door tweeter (minus)  
HT_FR+ Right rear door tweeter (plus)  
HT_FT_R- Right rear door tweeter (minus)  
HT_FT_R+ Right rear door tweeter (plus)  
HT_VL- Left front door tweeter (minus)  
HT_VL+ Left front door tweeter (plus)  
HT_VR- Right front door tweeter (minus)  
HT_VR+ Right front door tweeter (plus)  
HT_VT_L - Left front door tweeter (minus)  
HT_VT_L- Left front door tweeter (minus)  
HT_VT_L + Left front door tweeter (plus)  
HT_VT_L+ Left front door tweeter (plus)  
HT_VT_R - Right front door tweeter (minus)  
HT_VT_R- Right front door tweeter (minus)  
HT_VT_R + Right front door tweeter (plus)  
HT_VT_R+ Right front door tweeter (plus)  
HV- High-voltage power supply  
HV (-) High-voltage power supply  
HV (+) High-voltage power supply  
HV+ High-voltage power supply  
HZ_KTH Coolant thermostat heating element  
HZ_MIKO_H Rear center console armrest heating element actuation  
HZ_MIKO_V Front center console armrest heating element actuation  
HZE (-) Auxiliary heater heating element (minus)  
HZE (+) Auxiliary heater heating element (plus)  
HZG_FRSCH Heated windshield (positive), actuation  
I_A_APP1 Sensor signal 1  
I_A_APP2 Sensor signal 2  
I_A_BPS Boost pressure sensor  
I_A_CTS Coolant temperature sensor  
I_A_EGPPRE Exhaust pressure sensor  
I_A_EXTS1 Temperature sensor upstream of catalytic converter  
I_A_EXTS2 Temperature sensor upstream of diesel particulate filter  
I_A_EXTS3 Sensor signal for temperature sensor upstream of SCR catalytic converter  
I_A_FTS Fuel temperature sensor  
I_A_IAPS Pressure sensor downstream of air filter, right cylinder bank  
I_A_IATS2 Charge air temperature sensor  
I_A_LSCP1 Oxygen sensor upstream of catalytic converter  
I_A_LSVN1 Oxygen sensor upstream of catalytic converter  
I_A_OTS Engine oil temperature sensor  
I_A_PFDP Differential pressure sensor (DPF)  
I_A_POIL Oil pressure sensor signal  
I_A_RAILPS High pressure fuel pressure sensor  
I_A_TEGRPRE Temperature sensor upstream of turbocharger  
I_A_TVA Throttle valve actuator  
I_A_VSA_R Right intake port shutoff Hall sensor  
I_AX_TS1 Analog input information  
I_D_ALDSENT Throttle valve actuator, signal  
I_D_SENT1 Exhaust gas recirculation actuator  
I_F_AMS_1 Hot film mass air flow sensor  
I_F_AMS_L Left hot film MAF sensor  
I_F_AMS_R Right hot film MAF sensor  
I_F_CAS Camshaft Hall sensor  
I_F_CRS Crankshaft Hall sensor  
I_F_IATS_L Left intake air temperature sensor  
I_F_IATS_R Right intake air temperature sensor  
I_F_OCS Oil level check switch  
I_F_OILKOM Engine oil fill level sensor, signal  
I_PUMP Pump current  
I_S_EGRCBP Exhaust gas recirculation cooling bypass flap Hall sensor  
I_S_FLWTR Boost pressure control pressure transducer  
I_S_VSA_L Left intake port shutoff Hall sensor  
Inj H Fuel injector  
Inj L Fuel injector  
Inj. High Fuel injector  
Inj. Low Fuel injector  
INJ_(-) Fuel injector  
Interlock Interlock circuit  
Interlock in Interlock input  
Interlock out Interlock output  
Interlock_In Interlock input  
Interlock_Out Interlock output  
IL Interlock circuit  
ion oxy pump Left oxygen sensor upstream of catalytic converter  
ISM_NPFD ISM emergency path actuation  
KAL_F Missing information  
KB_RLY Rear SAM control unit  
KB_RLY_EIN 2nd seat row cup holder and power outlets relay actuation  
KH_L Left headphones output  
KH_R Right headphones output  
Kl. 15R Left fuse and relay module  
Kl. 30 Circuit 30  
Kl. 30g Circuit 30g  
Kl. 31 Ground  
KL. 45 Circuit 45  
Kl. 87/3 Circuit 87/3  
KMSD Coolant level switch signal  
KMV-RV Actuation of A/C compressor  
KPFHR_Audio Headphones and remote control antenna  
KRL_L Left luggage compartment lamp  
KRL_R Right luggage compartment lamp  
KS_A_H_L+ Left rear seat head restraint height adjustment (up) motor (+)  
KS_A_H_R+ Right rear seat head restraint height adjustment (up) motor (+)  
KS_A_T_L+ Left rear seat head restraint height adjustment (down) motor (+)  
KS_A_T_R+ Right rear seat head restraint height adjustment (down) motor (+)  
KSEA_2SR_L Left rear head restraint adjustment motor  
KSEA_2SR_M Center rear head restraint adjustment motor  
KSEA_2SR_R Right rear head restraint adjustment motor  
KTS_Sig. Fuel temperature sensor  
KWDGA Crankshaft Hall sensor  
KZL_H Rear license plate lamps  
L Phase  
L1_GND Switched ground connection, coil 1  
L2_GND Switched ground connection, coil 2  
L1 Phase 1 (3.6 kW)  
L_1 Phase 1 (7.2 kW)  
L2 Phase 2 (3.6 kW)  
L_2 Phase 2 (7.2 kW)  
L3 Phase 3 (3.6 kW)  
U Phase 1  
V Phase 2  
W Phase 3  
L, OK Left multifunction steering wheel button group  
L, Return Left multifunction steering wheel button group  
L_U Lower lamella  
LAM_U Lower lamella  
LDS_SGN_1 Signal 1 exterior lights switch (S1)  
LDS_SGN_2 Signal 2, exterior lights switch (S1)  
LDS_SGN_3 Signal 3, exterior lights switch (S1)  
LDS_Sig Boost pressure sensor  
LED (+) LED (positive)  
LED1 LED1Trailer hitch switch  
LED2 LED2Trailer hitch switch  
LED1 AirCap LED1AIRCAP  
LED2 AirCap LED2AIRCAP  
LES Backrest release switch  
LH- Steering wheel heater heating element  
LH+ Steering wheel heater heating element  
Li_innen_2 Rear dome lamp (white)  
LIN LIN bus  
LIN 1 Instrument panel LIN  
LIN A2 Telephone keypad LIN  
LIN 2 LIN networking  
LIN B10 Right rear door LIN (LIN B10)  
LIN B13 Roof LIN  
LIN B14 Alarm system LIN  
LIN B15 Battery sensor LIN  
LIN B16 Rain and light sensor LIN  
LIN B18 Left seat LIN (LIN B18)  
LIN B19 Right seat LIN (LIN B19)  
LIN B20 Left rear seat LIN  
LIN B21 Right rear seat LIN  
LIN B26 Massage components LIN  
LIN B27 KEYLESS-GO-LIN (LIN B27)  
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 B5 Left front door LIN (LIN B5)  
LIN B6 Right front door LIN (LIN B6)  
LIN B8-1 Climate control-LIN1 (LIN B8-1) data  
LIN B8-2 Climate control-LIN2 (LIN B8-2) data  
LIN B8-3 A/C operating LIN (LIN B8-3) data  
LIN B9 Left rear door LIN (LIN B9)  
LIN BN48 48VOn-board electrical system LIN  
LIN C1 Radiator sensor for engine diagnosis  
LIN-C2 Engine LIN  
LIN C3 Drivetrain LIN  
LIN C4 Exhaust LIN  
LIN E2 Seat occupied recognition LIN  
LIN G1 Left headlamp LIN  
LIN G2 Right headlamp LIN  
Line Out1 - Bass speaker amplifier  
Line Out1- Bass speaker amplifier (negative)  
Line Out1 + Bass speaker amplifier  
Line Out1+ Bass speaker amplifier (positive)  
LL VL Left reading lamp  
LL VR Right reading lamp  
LL_BU Light strip ambient lighting (blue) actuation  
LL_RD Light strip ambient lighting (red) actuation  
LL_YE Light strip ambient lighting (yellow) actuation  
LLS_LH Left rear reading lamp  
LLS_RH Right rear reading lamp  
LNS Signal for microswitch for left seat backrest release/seat backrest inclination  
LOW Low-side actuation/signal  
LS - Center instrument panel speaker (negative)  
LS + Center instrument panel speaker (positive)  
LS_BU1 Digital output information  
LS_KI (-) Instrument cluster speaker  
LS_KI (+) Instrument cluster speaker (plus)  
LS_KI (-) Instrument cluster speaker (minus)  
LS_KI (+) Instrument cluster speaker (plus)  
LSP- Steering wheel downshift button  
LSP+ Steering wheel upshift button  
LSUHVK1 Oxygen sensor heater upstream of CAT 1  
LSUIA1 Oxygen sensor 1, compensating current  
LSUIA2 Oxygen sensor 2, compensating current  
LSUIP1 Oxygen sensor 1, pump current  
LSUIP2 Oxygen sensor 2, pump current  
LSUHVK2 Oxygen sensor heater upstream of CAT 2  
LSUUN1 Oxygen sensor 1, Nernst voltage  
LSUUN2 Oxygen sensor 2, Nernst voltage  
LSUVM1 Lambda sensor 1, ground  
LSUVM2 Lambda sensor 2, ground  
L_U Lower lamella  
LVDS Low voltage differential signal  
LVDS RX- Low voltage differential signal receiving (minus)  
LVDS RX+ Low voltage differential signal receiving (plus)  
LVDS TX- Low voltage differential signal transmission (minus)  
LVDS TX+ Low voltage differential signal transmission (plus)  
LVDS HU RX- Low Voltage Differential Signal Receiving (negative), head unit  
LVDS HU RX+ Low Voltage Differential Signal Receiving (positive), head unit  
LVDS HU TX- Low Voltage Differential Signal Transmission (negative), head unit  
LVDS HU TX+ Low Voltage Differential Signal Transmission (positive), head unit  
LVDS FU TX- Low Voltage Differential Signal Transmission (negative), rear unit  
LVDS FU TX+ Low Voltage Differential Signal Transmission (positive), rear unit  
M + Motor plus  
M- Motor minus  
M- (+) Motor minus (plus)  
M+ (-) Motor plus (minus)  
M (-) Throttle valve actuator  
M (+) Throttle valve actuator  
M_C_GND EMC ground (dynamic)  
M_H Motor rear  
M_KR_AUF Trunk lid/liftgate control electric motor, positive (OPEN)  
M_KR_ZU Trunk lid/liftgate control electric motor, positive (CLOSED)  
M_L (-) Left electric parking brake actuator motor (minus)  
M_L (+) Left electric parking brake actuator motor (plus)  
M_R (-) Right electric parking brake actuator motor (minus)  
M_R (+) Right electric parking brake actuator motor (plus)  
M_R_IP1 Actual value potentiometer 1 sensor ground  
M_R_IP2 Actual value potentiometer 2 sensor ground  
M_R_IPM Throttle valve actuator actual value potentiometer  
M_R_LSHK Intake manifold intake air temperature sensor  
M_R_LS1HK LTC sensor ground, lambda sensor downstream of CAT  
M_R_LSHK1 LTC oxygen sensor 1 downstream of CAT sensor ground  
M_R_LSHK2 LTC oxygen sensor 2 downstream of CAT sensor ground  
M_R_SENM3 Right intake camshaft Hall sensor  
M_R_SENM5 Fuel pressure and temperature sensor  
M_R_SEN01 Sensor ground 1  
M_R_SEN02 Sensor ground 2  
M_R_SEN03 Sensor ground 3  
M_R_SEN04 Sensor ground 4  
M_R_SEN05 Sensor ground 5  
M_R_SEN06 Sensor ground 6  
M_R_SEN07 Sensor ground 7  
M_R_SEN08 Sensor ground 8  
M_R_SEN09 Sensor ground 9  
M_R_SEN10 Sensor ground 10  
M_R_TMOT Coolant temperature sensor, ground connection  
M_SR_H Rear panoramic sliding sunroof roller sun blind motor  
M_SR_V Front panoramic sliding sunroof roller sun blind motor  
M_V Motor front  
M_VT_R (-) Right front door midrange speaker (minus)  
M_VT_R (+) Right front door midrange speaker (plus)  
M+ Motor plus  
M- Motor minus  
M+ (-) Motor plus (minus)  
M -(+) Motor minus (plus)  
MHK_S_L Left engine hood contact switch  
MHK_S_R Right engine hood contact switch  
MIC Microphone signal  
MIC GND Microphone (-)  
Mic - Microphone (-)  
Mic + Microphone (+)  
Mic_L Left rear hands-free system microphone  
Mic_NR (-) Emergency call microphone (-)  
Mic_NR (+) Emergency call microphone (+)  
Mic_R Right rear hands-free system microphone  
Mic1 Microphone 1  
Mic1_in Hands-free system microphone 1  
Mic1_In+ Hands-free system microphone  
Mic1_NR (-) Emergency call system control unit  
Mic1_NR (+) Emergency call system control unit  
Mic2 Microphone 2  
Mic2_In+ Hands-free system microphone  
Mic2_in Hands-free system microphone 2  
Mic3_in Hands-free system microphone 3  
Mic4_in Hands-free system microphone 4  
Micro-USB Micro USB connector  
MID FL- Left rear door midrange speaker (-)  
MID FL+ Left rear door midrange speaker (+)  
Mid_FL- Left rear door midrange speaker (minus)  
Mid_FL+ Left rear door midrange speaker (plus)  
Mid_RL - Left rear sidewall cover midrange speaker (-)  
Mid_RL + Left rear sidewall cover midrange speaker (+)  
Mid_RR - Right rear sidewall cover midrange speaker (-)  
Mid_RR + Right rear sidewall cover midrange speaker (+)  
MidFR- Right rear door midrange speaker (minus)  
MidFR+ Right rear door midrange speaker (plus)  
MidVR - Right front door midrange speaker  
MidVR- Right front door midrange speaker (minus)  
MidVR + Right front door midrange speaker  
MidVR+ Right front door midrange speaker (plus)  
MidVT_L - Left front door bass speaker  
MidVT_L- Left front door midrange speaker (minus)  
MidVT_L + Left front door midrange speaker  
MidVT_L+ Left front door midrange speaker (plus)  
MLF1_31 PAS microphone for vehicle interior (ground)  
MLF1_LS- PAS microphone for vehicle interior (speaker -)  
MLF1_LS+ PAS microphone for vehicle interior (speaker +)  
MLF1_NF+ PAS microphone for vehicle interior (microphone)  
MLF1_VCC PAS microphone for vehicle interior (power supply)  
MK_COC Ambiance illumination LED K3 (red)  
MOST IN MOST Receiver IN  
MOST OUT MOST Transmitter OUT  
MOT Engine throttle valve actuator  
Mot1_AGFS_L Left rear seat active belt buckle motor 1  
Mot1_AGFS_R Right rear seat active belt buckle motor 1  
Mot2_AGFS_L Left rear seat active seat belt buckle motor 2  
Mot2_AGFS_R Right rear seat active seat belt buckle motor 2  
MOTOR Motor voltage  
Motor (-) Motor (negative)  
Motor (+) Motor (positive)  
motor (-/+) Left exhaust gas recirculation actuation motor  
motor (+/-) Left exhaust gas recirculation actuation motor  
MP/00 Front radar sensors power supply  
MP/01 Front radar sensors power supply  
MPAC_U Multiphase alternating current, phase U  
MPAC_V Multiphase alternating current, phase V  
MPAC_W Multiphase alternating current, phase W  
M_R_ZUE1 Cylinder 1 ignition coil ground  
M_R_ZUE2 Cylinder 2 ignition coil ground  
M_R_ZUE3 Cylinder 3 ignition coil ground  
M_R_ZUE4 Cylinder 4 ignition coil ground  
M_R_ZUE5 Cylinder 5 ignition coil ground  
M_R_ZUE6 Cylinder 6 ignition coil ground  
MS_CSNB_L Left rear backrest inclination switch signal  
MS_CSNB_R Right rear backrest inclination switch signal  
MS_KS_BF Front passenger head restraint microswitch signal  
MS_KS_F Driver head restraint microswitch signal  
MT_DVKG - Headliner midrange speaker  
MT_DVKG- Headliner midrange speaker (minus)  
MT_DVKG + Headliner midrange speaker  
MT_DVKG+ Headliner midrange speaker (plus)  
MTDE_VL Left center air vent potentiometer signal  
MTDE_VR Right center air vent potentiometer signal  
MTM1 Electric machine rotor 1 temperature sensor  
MTM2 Electric machine rotor 2 temperature sensor  
Mute Muting  
Mute, VCS Voice control system ON button  
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  
MV_HL1 (-) Solenoid valve 1, rear left (negative)  
MV_DB_NFS (-) Emergency fresh-air system compressed air reservoir pin-pusher (negative)  
MV_DB_NFS (+) Emergency fresh-air system compressed air reservoir pin-pusher (positive)  
MV_HL1 (+) Solenoid valve 1, rear left (plus)  
MV_HL2 (-) Solenoid valve 2, rear left (minus)  
MV_HL2 (+) Solenoid valve 2, rear left (positive)  
MV_HR1 (-) Solenoid valve 1, rear right (minus)  
MV_HR1 (+) Solenoid valve 1, rear right (positive)  
MV_HR2 (-) Solenoid valve 2, rear right (negative)  
MV_HR2 (+) Solenoid valve 2, rear right (positive)  
MV_VL1 (-) Solenoid valve 1, front left  
MV_VL1 (-) Solenoid valve 1, front left (negative)  
MV_VL1 (+) Solenoid valve 1, front left (plus)  
MV_VL1_(+) Solenoid valve 1, front left  
MV_VL2 (-) Solenoid valve 2, front left  
MV_VL2 (+) Solenoid valve 2, front left  
MV_VL2 (-) Solenoid valve 2, front left (minus)  
MV_VL2 (+) Solenoid valve 2, left front (positive)  
MV_VR1 (-) Solenoid valve 1, front right  
MV_VR1 (-) Solenoid valve 1, front right (negative)  
MV_VR1 (+) Solenoid valve 1, front right (plus)  
MV_VR1_(+) Solenoid valve 1, front right  
MV_VR2 (-) Solenoid valve 2, front right  
MV_VR2 (+) Solenoid valve 2, front right  
MV_VR2 (-) Solenoid valve 2, front right (minus)  
MV_VR2 (+) Solenoid valve 2, right front (positive)  
N Neutral conductor  
NC NOT USED  
NEIG_HOR Horizontal inclination adjustment actuator motor actuation  
NEIG_VER Vertical inclination adjustment actuator motor actuation  
NFC Near Field Communication  
NFS Compressed air reservoir pressure sensor (High)  
NFS_TA Fire extinguishing system button signal  
NFS_TA_BL Emergency fresh air system button illumination  
NIV_ABLV (-) ABC switchover valve (minus)  
NIV_ABLV (+) ABC switchover valve (plus)  
Niv_HL (-) Left rear level control valve (minus)  
Niv_HR (-) Right rear level control valve (minus)  
Niv_VL (-) Left front level control valve (minus)  
Niv_VR (-) Right front level control valve (minus)  
NSC_M Center rear fog light  
NSL Rear fog lamp actuation  
NSL_L Left rear fog lamp  
NSL_M Center rear fog light  
NSL_R Right rear fog lamp  
NSW_L Left fog lamp  
NSW_R Right fog lamp  
NTC- Heating element temperature sensor (minus)  
NTC+ Heating element temperature sensor (plus)  
NTS - Low-temperature circuit temperature sensor (minus)  
NTS + Low-temperature circuit temperature sensor (plus)  
NWG-Sig. Camshaft Hall sensor  
O_HB1_CL Circuit breaker/power driver  
O_HB1_OP Circuit breaker/power driver  
O_P_INJVH11 Cylinder 1 fuel injector  
O_P_INJVH12 Cylinder 2 fuel injector  
O_P_INJVH13 Cylinder 3 fuel injector  
O_P_INJVH21 Cylinder 4 fuel injector  
O_P_INJVH22 Cylinder 5 fuel injector  
O_P_INJVH23 Cylinder 6 fuel injector  
O_P_INJVL11 Cylinder 1 fuel injector  
O_P_INJVL12 Cylinder 2 fuel injector  
O_P_INJVL13 Cylinder 3 fuel injector  
O_P_INJVL21 Cylinder 4 fuel injector  
O_P_INJVL22 Cylinder 5 fuel injector  
O_PL_L4 Circuit breaker/power driver  
O_R_LSVG1 Oxygen sensor upstream of catalytic converter  
O_S_CVH Vent line heater element  
O_S_MRLY AdBlue® relay actuation  
O_S_MRLY_HS Actuation of relay for circuit 87M  
O_S_VSSAM Warm start request  
O_T_ALDneg Throttle valve actuator (negative), actuation  
O_T_BPA Boost pressure control pressure transducer  
O_T_EGRCBP Exhaust gas recirculation cooler bypass switchover valve  
O_T_EGRNEG Exhaust gas recirculation actuator  
O_T_EGRPOS Exhaust gas recirculation actuator  
O_T_LSH1 Oxygen sensor upstream of catalytic converter  
O_T_MCONV Coolant pump switchover valve  
O_T_MEU Quantity control valve  
O_T_MEU_H Quantity control valve High  
O_T_MEU_L Low quantity control valve  
O_T_MEV_H Quantity control valve (positive), signal  
O_T_MEV_L Quantity control valve (negative), signal  
O_T_PCV Pressure regulator valve  
O_T_PCV _L Pressure regulating valve Low  
O_T_PCV _H Pressure regulating valve High  
O_T_RAHT1 AdBlue® pressure line heating element actuation  
O_T_RAMCP AdBlue® extraction pump actuation  
O_T_RAPP AdBlue® delivery pump actuation  
O_T_TVANEG Throttle valve actuator  
O_T_TVAPOS Throttle valve actuator  
O_T_VSANEG Intake port shutoff actuator motor  
O_V_RAMCP AdBlue® extraction pump actuation  
O_V_RAPP AdBlue® delivery pump actuation  
ODS/SBR+ Front passenger seat occupied recognition signal  
OELP Engine oil pump valve, actuation  
OELS_SIG Engine oil temperature sensor  
OSS Oil level check switch  
P_LL Pump counterclockwise rotation  
P_RL Pump clockwise rotation  
PAS Electric power steering torque sensor  
PAS_GND Pedal angle sensor ground  
PAS_SIG1 Pedal angle sensor signal 1  
PAS_SIG2 Pedal angle sensor signal 2  
PAS_SUP Pedal angle sensor power supply  
PCV_H Pressure regulating valve (positive), signal  
PCV_L Pressure regulating valve (negative), signal  
PE Protective earth conductor  
PP Plug Present  
Phase U Electric machine temperature sensor  
Phase V Electric machine temperature sensor  
Phase W Electric machine temperature sensor  
PL1_L Left position lamp 1  
PL1_R Right position lamp 1  
pot. (-) Actual value potentiometer 1/2  
POT Equipotential bonding conductor  
pot. (+) Actual value potentiometer 1/2  
pot. 1 sig. Actuator motor  
pot. 2 sig. Actuator motor  
POS_(+) Hall sensor power supply  
POS_GND Hall sensor ground connection  
POS_1 Sensor 1 position signal  
POS_2 Sensor 2 position signal  
POS_3 Sensor 3 position signal  
Pos_S Lock check of electric lock actuator motor  
PRF_FLD Extinguishing agent tank pressure sensor  
PTT/ALR Reset alarm  
PUMP_(+) Pump power supply  
PUMP_GND Pump actuation via ground connection  
PWM Pulse width modulation signal  
PYFSE BNB (-) Pyrofuse for on-board electrical system battery (negative)  
PYFSE BNB (+) Pyrofuse for on-board electrical system battery (positive)  
PYFSE (-) Pyrofuse (negative)  
PYFSE (+) Pyrofuse (positive)  
RDS_Sig. High pressure fuel pressure sensor  
R_L Actuator motor of electric lock  
R_U Actuator motor of electric lock  
RAILPS High-pressure fuel pressure sensor, signal  
Red_LED Actuation LED (red)  
REF Measurement reference signal  
REL_(+) Relay actuation, positive  
Remote Radio remote control signal  
Remote 1 Remote signal  
RES_S1_1 Electric machine rotor position sensor  
RES_S2_1 Electric machine rotor position sensor  
RES_S3_1 Electric machine rotor position sensor  
RES_S4_1 Electric machine rotor position sensor  
RFG_LIN B8-1 Climate control LIN1 (LIN B81) return  
RFL Actuation of back-up lamp  
RFL_L Left backup lamp  
RFL_R Right backup lamp  
RGB RGB color information signal  
RGB_LIN LIN signal (RGB color information)  
RGS Irritant gas sensor  
RKRS_Schl Close trunk partition  
RKRS_Ofn Open trunk partition  
RL (-) Left rear seat cushion bag squib  
RL (+) Left rear seat cushion bag squib  
RLLR Exhaust flap switchover valve  
RSS_Close_- 30g cut-in relay actuation (minus)  
RSS_Close_+ 30g cut-in relay actuation (plus)  
RSS_Open_- 30g cut-out relay actuation (minus)  
RSS_Open_+ 30g cut-out relay actuation (plus)  
RST Reset button  
RV_HL (-) Left rear suspension strut control valve  
RV_HL (+) Left rear suspension strut control valve  
RV_HL (-) Left rear suspension strut control valve (minus)  
RV_HL (+) Left rear suspension strut control valve (plus)  
RV_HR (-) Right rear suspension strut control valve  
RV_HR (+) Right rear suspension strut control valve  
RV_HR (-) Right rear suspension strut control valve (minus)  
RV_HR (+) Right rear suspension strut control valve (plus)  
Rx- Receiving (minus)  
Rx Data receiving  
Rx+ Receiving (plus)  
S_DL_HL Left rear dome lamp switch  
S_DL_HR Right rear dome lamp switch  
S_EK_2 Electric machine rotor position sensor  
S_ER_1 Electric machine rotor position sensor  
S_FRONT (+) Front parking system sensors positive line  
S_H Rear switch  
S_KPST Rear seat center head restraint height adjustment switch  
S_KPST_HEISG_M Rear seat center head restraint height adjustment switch  
S_MD2 Signal "Motor speed"  
S_SIG Signal  
S_SL_VL Left front mirror lamp switch  
S_V Front switch  
SB_BF_PS (-) Front passenger sidebag squib (minus)  
SB_BF_PS (+) Front passenger sidebag squib (plus)  
SB_DR (-) Driver sidebag squib (negative)  
SB_DR (+) Driver sidebag squib (positive)  
SB_LR (-) Left rear sidebag squib (minus)  
SB_LR (+) Sidebag squib in left rear (plus)  
SB_RR (-) Sidebag squib in right rear (minus)  
SB_RR (+) Sidebag squib in right rear (plus)  
SB_SK_FL Left rear seat cushion ventilation motors  
SB_SK_FR Right rear seat cushion ventilation motors  
SB_SL_FL Left rear seat backrest ventilation motors  
SB_SL_FR Right rear seat backrest ventilation motors  
SCH_KRDVG Separate trunk lid lock switch  
SCHWP_(-) Windshield washer system pump (minus)  
SCHWP_(+) Windshield washer system pump (plus)  
SCHWP_A1 Windshield washer system pump  
SCHWP_A2 Windshield washer system pump  
SCH_Z Left front power window hydraulic pump relay actuation  
SD_V (-) ABC intake throttle valve (minus)  
SD_V (+) ABC intake throttle valve (plus)  
SDARS SDARS antenna  
SDV_Sig Pressure sensor downstream of air filter, right cylinder bank  
SDvTL_Sig Low-pressure turbocharger boost pressure sensor  
SENS Sensor signal  
SENS_(+) Sensor power supply  
SENS_GND Sensor ground connection  
SENS_1 Sensor signal for sensor 1  
SENS_2 Sensor signal for sensor 2  
sensor signal Signal  
SGN Sensor signal for fuel pressure sensor  
SGND Ground  
SH_DN Power electronics/CDI control unit  
SHD Shielding  
Shield Shielding  
Side Left/right rear display coding  
Sig Signal  
SIG Signal  
SIG_(+) Signal via transmit current  
SIG_GND Signal via ground connection  
Sig. Signal  
Sig.1 Event 1 signal  
Sig.2 Event 2 signal  
Sig.3 Event 3 signal  
Sig. 1_A Left rear seat active belt buckle motor event 1 signal  
Sig. 1_B Right rear seat active belt buckle motor event 1 signal  
Sig. 2_A Left rear seat active seat belt buckle motor event 2 signal  
Sig. 2_B Right rear seat active seat belt buckle motor event 2 signal  
Sig. LED 1_A Left rear seat active belt buckle illumination signal  
Sig. LED 1_B Right rear seat active belt buckle illumination signal  
Sig. SO_A Left rear seat active belt buckle motor signal S0  
Sig. SO_B Right rear seat active belt buckle motor signal S0  
sig. pressure Pressure sensor signal  
sig. temp. Fuel pressure and temperature sensor/right rear seat active belt buckle motor  
Sig. Temp. 1_A Left rear seat active belt buckle temperature sensor signal  
Sig. Temp. 1_B Right rear seat active belt buckle temperature sensor signal  
Sig. WNDL DC/AC converter control unit signal  
Sig_DF Rotary tumbler switch signal  
Sig_TK Signal  
Sig. WIDL 115 V socket signal (consumers connected)  
signal Signal  
signal (-) Signal  
signal A Signal  
signal B Signal  
SKHV R    
STZ_STAT Seat status  
STZK_IN Seat contact input  
SIig_DF Right rear door rotary tumbler switch  
SL_L Left taillamp  
SL_R Right taillamp  
SL_BSL2_L Left taillight and brake light  
SL_BSL2_R Right taillight and brake light  
SL1_L Left taillamp  
SL1_R Right taillamp  
SL2_L Left taillamp  
SL2_R Right taillamp  
SLPR Engine fuse and relay module  
SLS_HAL_L Left rear sun sensor signal  
SLS_HAL_R Right rear sun sensor signal  
SLV Air pump switchover valve  
SML Side-marker lamp  
SML_L Left side-marker lamp  
SML_R Right side-marker lamp  
SML-L Left side-marker lamp  
SNS_VL Left sun sensor signal  
SNS_VR Right sun sensor signal  
SPG_ABBL Mirror dimming signal  
SPG_F Outside mirror fold-in/out electric motor (+Drive)  
SPG_G Outside mirror fold-in/out electric motor (+Garage)  
SPGMKO_LI- PAS microphone, left outside mirror (negative)  
SPGMKO_LI+ Pas microphone, left outside mirror (positive)  
SPGMKO_RE- PAS microphone, right outside mirror (negative)  
SPGMKO_RE+- PAS microphone, right outside mirror (positive)  
SPK out_NR - Emergency call speaker (minus)  
SPK out_NR + Emergency call speaker (plus)  
SPK_IT (-) Center instrument panel speaker (negative)  
SPK_IT (+) Center instrument panel speaker (positive)  
SR_M_AUF Rear door open roller sun blind motor actuation  
SR_M_ZU Rear door close roller sun blind motor actuation  
SRA-P Long-range camera washer fluid pump  
ST2_STAT Seat contact status  
ST2K_IN Radio data transceiver (seat contact)  
Status Left front seat AIRSCARF fan motor status  
Status 2 Left front seat AIRSCARF fan motor status 2  
STCKD_F1 Rear SAM control unit  
STCKD_F1_RLY_EIN 1st seat row/trunk refrigerator box and power outlets relay actuation  
STDE_VL Left side air vent potentiometer signal  
STDE_VR Right side air vent potentiometer signal  
STR H Actuation of relay for circuit 50, starter (positive)  
STR L Actuation of relay for circuit 50, starter (negative)  
STS WSA Wiper system status  
STZBAT_SCH Backup battery switch  
SubFL- Left footwell bass speaker (minus)  
SubFL+ Left footwell bass speaker (plus)  
SubFL1 - Left footwell bass speaker  
SubFL1- Left footwell bass speaker 1 (negative)  
SubFL1 + Left footwell bass speaker  
SubFL1+ Left footwell bass speaker 1 (positive)  
SubFL2 - Left footwell bass speaker  
SubFL2- Left footwell bass speaker 2 (negative)  
SubFL2 + Left footwell bass speaker  
SubFL2+ Left footwell bass speaker 2 (positive)  
SubFR- Right footwell bass speaker (minus)  
SubFR+ Right footwell bass speaker (plus)  
SubFR1 - Right footwell bass speaker  
SubFR1- Right footwell bass speaker 1 (negative)  
SubFR1 + Right footwell bass speaker  
SubFR1+ Right footwell bass speaker 1 (positive)  
SubFR2 - Right footwell bass speaker  
SubFR2- Right footwell bass speaker 2 (negative)  
SubFR2 + Right footwell bass speaker  
SubFR2+ Right footwell bass speaker 2 (positive)  
SubFT_L - Left rear door bass speaker  
SubFT_L- Left rear door bass speaker (negative)  
SubFT_L + Left rear door bass speaker  
SubFT_L+ Left rear door bass speaker (positive)  
SubFT_R - Right rear door bass speaker  
SubFT_R + Right rear door bass speaker  
SubFTR- Right rear door bass speaker (negative)  
SubFTR+ Right rear door bass speaker (positive)  
SubVT_L- Left front door bass speaker (negative)  
SubVT_L+ Left front door bass speaker (positive)  
SubVT_R - Right front door bass speaker  
SubVT_R- Right front door bass speaker (negative)  
SubVT_R + Right front door bass speaker  
SubVT_R+ Right front door bass speaker (positive)  
Sur_HT_HL - Left rear surround sound system tweeter  
Sur_HT_HL- Left rear surround sound system tweeter (minus)  
Sur_HT_HL + Left rear surround sound system tweeter  
Sur_HT_HL+ Left rear surround sound system tweeter (plus)  
Sur_HT_HR - Right rear surround sound system tweeter  
Sur_HT_HR- Right rear surround sound system tweeter (minus)  
Sur_HT_HR + Right rear surround sound system tweeter  
Sur_HT_HR+ Right rear surround sound system tweeter (plus)  
SURL- Left rear surround sound system midrange speaker (minus)  
SURL+ Left rear surround sound system midrange speaker (plus)  
SurMHL - Left rear surround sound system midrange speaker  
SurMHL- Left rear surround sound system midrange speaker (minus)  
SurMHL + Left rear surround sound system midrange speaker  
SurMHL+ Left rear surround sound system midrange speaker (plus)  
SurMHR - Right rear surround sound system midrange speaker  
SurMHR- Right rear surround sound system midrange speaker (minus)  
SurMHR + Right rear surround sound system midrange speaker  
SurMHR+ Right rear surround sound system midrange speaker (plus)  
SURR- Right rear surround sound system midrange speaker (minus)  
SURR+ Right rear surround sound system midrange speaker (plus)  
SVS_AUF Actuation of left front door power closing actuator motor run back  
SVS_ZU Actuation of left front door power closing actuator motor, pull closed  
T_BM FlexRay bus (Low)  
T_BP FlexRay bus (High)  
T_ON Rear center console emergency alarm system button  
TAX_STAT Taximeter status  
TBA Power supply for outer door handle illumination  
TBI Inside door handle illumination power supply  
TD_SIG Tank cap signal  
TD_ZV_M Tank cap central locking actuator  
TELTelephone
Tel. Answer/End Call
Voice control system ON button  
Tel. End Call Voice control system ON button  
TEMP Temperature signal  
Temp_L Left electric parking brake actuator motor, temperature sensor  
Temp_R Right electric parking brake actuator motor, temperature sensor  
Temp_S Temperature sensor of charger socket feed  
Temp_S1 Temperature sensor signal  
Termination- Termination  
Termination Termination  
Termination+ Termination  
TES _Status Tank cap release button status  
TES Sig. Tank cap release button signal  
TF_AKT Tone sequence active  
TFL_L Left daytime running light  
TFL_R Right daytime running light  
TGR_HL_Sig. Left rear KEYLESS-GO door handle signal  
TGR_HR_Sig. Right rear KEYLESS-GO door handle signal  
TGR_VL_Sig. Left front KEYLESS-GO door handle signal  
TGR_VR_Sig. Right front KEYLESS-GO door handle signal  
TM_1_GND Low-temperature circuit temperature sensor, ground  
TM_1_Sig Low-temperature circuit temperature sensor  
TMP_FR_L Left footwell air outlet temperature sensor signal  
TMP_FR_R Right footwell air outlet temperature sensor signal  
TMP_MIKO_H Rear center console armrest heating element temperature sensor  
TMP_MIKO_V Front center console armrest heating element temperature sensor  
TMP_SK1 Fire extinguishing system temperature sensor (sensor circuit 1)  
TMP_SK2 Fire extinguishing system temperature sensor (sensor circuit 2)  
TMP_STD_L Left side air outlet temperature sensor signal  
TMP_STD_R Right side air outlet temperature sensor signal  
TMP_VD_V Evaporator temperature sensor signal  
TNSG_RTR_DR (-) Driver emergency tensioning retractor squib (minus)  
TNSG_RTR_DR (+) Driver emergency tensioning retractor squib (plus)  
TNSG_RTR_FPS (-) Front passenger emergency tensioning retractor squib (minus)  
TNSG_RTR_FPS (+) Front passenger emergency tensioning retractor squib (plus)  
TNSG_RTR_LR (-) Left rear emergency tensioning retractor squib (minus)  
TNSG_RTR_LR (+) Left rear emergency tensioning retractor squib (plus)  
TNSG_RTR_RR (-) Right rear emergency tensioning retractor squib (minus)  
TNSG_RTR_RR (+) Right rear emergency tensioning retractor squib (plus)  
TRMWSTD Trimming resistor  
TRK_GSch_L Left retractable trunk partition closed  
TRK_GSch_R Right retractable trunk partition closed  
TS_HK_SF_BF Seat sitting surface heater pad temperature sensor, front passenger seat  
TS_HK_SF_F Seat sitting surface heater pad temperature sensor, driver seat  
TS_HK_SF_FL Left rear seat sitting surface heater pad temperature sensor  
TS_HK_SF_FR Right rear seat sitting surface heater pad temperature sensor  
TS_HK_SL_BF Backrest heater pad temperature sensor, front passenger seat  
TS_HK_SL_F Backrest heater pad temperature sensor, driver seat  
TS_HK_SL_FL Left rear seat backrest heater pad temperature sensor  
TS_HK_SL_FR Right rear seat backrest heater pad temperature sensor  
TSLL_Sig. Charge air temperature sensor  
TSvTL_Sig. Temperature sensor upstream of turbocharger  
Tw_RL - Left rear sidewall cover tweeter (minus)  
Tw_RL + Left rear sidewall cover tweeter (plus)  
Tw_RR - Right rear sidewall cover tweeter (minus)  
Tw_RR + Right rear sidewall cover tweeter (plus)  
Tx - Transmission (Minus)  
Tx- Transmission (Minus)  
Tx Data transmission  
Tx + Transmission (Plus)  
Tx+ Transmission (Plus)  
TXM_STAT Taximeter status  
TZS lock Additional door lock actuator motor locked actuation  
TZS unlock Actuation of additional door lock unlocked actuator motor  
TZS_lock Left front door additional door lock actuator motor  
TZS_unlock Left front door additional door lock actuator motor  
U_FRONT (+) Front parking system distance sensors power supply  
U_REAR (+) Rear parking system distance sensors power supply  
UB Voltage supply  
Ub (+) Voltage supply  
Ub (+) Voltage supply  
UB+ Voltage supply  
UFL_H Rear ambient lamp  
U-MFL-R Accept/terminate phone call button  
UMSCHVNT Stationary heater switchover valve  
Up/Down Scroll forward/back button  
US_FRONT (+) Front parking system sensors positive line  
US_REAR (+) Power supply for rear parking system sensors  
USB 1 D- Universal serial bus 1 data -  
USB 1 D+ Universal serial bus 1 data +  
USB 1_GND Universal serial bus 1 ground  
USB 2 D- Universal serial bus 2 data -  
USB 2 D+ Universal serial bus 2 data +  
USB D- Universal serial bus data -  
USB D+ Universal serial bus data +  
USB_5V Universal serial bus power supply  
USB_+5V Universal serial bus power supply  
USB_GND Universal serial bus ground  
USB_Rx+ Universal serial bus receiving (positive)  
USB_Rx- Universal serial bus receiving (negative)  
Vbus Data line power supply  
V_A_L Soft top "open" limit switch  
V_ENTR Trailer hitch release power supply  
V_HS Hall sensor release power supply  
V_K_5V03 Sensor power supply  
V_LED LED supply in trailer hitch release switch  
V_NEIG_Sig. Vertical inclination adjustment potentiometer signal  
V_M Left front power window hydraulic pump actuation  
V_NEIG_Sig. Vertical inclination adjustment potentiometer signal  
V_V_5V01 Sensor power supply  
V_V_5V02 Sensor power supply  
V_V_5V04 Sensor power supply  
V_Schlsn+ Close plug (+)  
V_Ofn+ Open plug (+)  
V_Ofn_R Open plug  
V_VR_L Left soft top "locked" limit switch  
V_VR_R Right soft top "Locked" limit switch  
V_Z_L Soft top closed limit switch  
VAC_GND Brake vacuum sensor power supply  
VAC_PUMP Adaptive Brake vacuum pump  
VAC_SIG1 Brake vacuum sensor signal 1  
VAC_SIG2 Brake vacuum sensor signal 2  
VAC_SUP Brake vacuum sensor power supply  
VALVE_GND Valve actuation via ground connection  
VB+ Voltage supply  
VCS Voice control system ON button  
VDF_TMP_Fond Rear air conditioning evaporator temperature sensor signal  
VDKD_O_L Left soft top compartment lid up limit switch  
VDKD_VR_R Left soft top compartment lid lock closed limit switch  
VDKD_Z_L Left soft top compartment lid closed limit switch  
VEBW_TS Fire extinguishing system temperature sensor (monitor)  
VHK Heater pad power supply  
virtual ground Oxygen sensor virtual ground  
V-MFL-L Left/right multifunction steering wheel button group  
VSANEG Intake port shutoff (positive) actuator motor, actuation  
VSENS2 Power supply output  
VSENS3_1 Power supply output  
VSENS3_2 Power supply output  
VSSAM Front SAM control unit  
WAbw_Sch+ Close wind deflector (+)  
WAbw_Ofn+ Open wind deflector (+)  
WAHZG Wiper park heater  
Wake up Wake-up signal  
WakeUp Wake-up signal  
Wake_up Wake-up signal  
WAV_Ausg_A Air conditioning water valve output A  
WAV_Ausg_B Air conditioning water valve output B  
WGSTR_Sig Travel distance signal  
WB_H Wiper blade heater  
WB_L (-) Left windowbag squib (minus)  
WB_L (+) Left windowbag squib (plus)  
WB_R (-) Right windowbag squib (minus)  
WB_R (+) Right windowbag squib (plus)  
WBK_BEL Warning light switch illumination  
WBK_SCH Warning light switch  
WGV1 Boost pressure control pressure transducer  
WHSTR Travel distance  
White_LED Actuation LED (white)  
White_LED and Hall_Sensor Actuation LED (white) and Hall sensor  
WiFi_ANT WLAN antenna  
W-LAN Wireless local area network  
WL_UL_HD Left trunk lid/liftgate ambient lamp and warning lamp  
WMST_ANF SAM on-board electrical system switchover  
Wo_RL - Left rear sidewall lining bass speaker (negative)  
Wo_RL + Left rear side lining bass speaker (positive)  
Wo_RR - Right rear side lining bass speaker (negative)  
Wo_RR + Right rear side lining bass speaker (positive)  
WP_KML Coolant circulation pump actuation  
WPR_DOWN Windshield washer system junction box (down)  
WPR_UP Windshield washer system junction box (up)  
WRN_LED Trailer hitch switch function illumination  
WRNSMR Warning buzzer  
WS- Trunk lid/liftgate control warning buzzer (minus)  
WS+ Trunk lid/liftgate control warning buzzer (plus)  
WSA Wiper system signal  
WSA _AKT Wiper system active signal  
WSch_H+ Draft stop up (+)  
WSch_T+ Draft stop down (+)  
WTS Sig. Coolant temperature sensor  
WTT Fond L Left rear air conditioning heat exchanger temperature sensor signal  
WTT Fond L. Left rear air conditioning heat exchanger temperature sensor signal  
WTT Fond R Right rear air conditioning heat exchanger temperature sensor signal  
WTT Fond R. Right rear air conditioning heat exchanger temperature sensor signal  
WTV Fond L Right duovalve  
WTV Fond L. Left duovalve actuation  
WTV Fond R Right duovalve actuation  
WTV Fond R. Left duovalve  
WWSCHD_H Washer nozzle heater  
WWSD Windshield washer system washer fluid level switch signal  
ZGRANZ Cigarette lighter  
ZP_FL1 (+) Extinguishing agent tank opening mechanism  
ZV_AUF Open left front door central locking motor actuation  
ZV_ZU Close left front door central locking motor actuation  
ZVIS Sig. Central locking inside door handle switch signal