Operation CHARM: Car repair manuals for everyone.

Signal Names With A



5V_LEWI 5 V supply, steering-angle sensor
ABBF+ Airbag, passenger, positive
ABBF- Airbag, passenger, negative
ABBF1+ Airbag, passenger, stage 1, positive
ABBF1- Airbag, passenger, stage 1, negative
ABBF2+ Airbag, passenger, stage 2, positive
ABBF2- Airbag, passenger, stage 2, negative
ABF+ Airbag, driver, positive
ABF- Airbag, driver, negative
ABSSL ABS safety lamp
ACC-HZ+ ACC heating power supply
ACC-HZ- ACC heating ground
ADS+ Positive control, ADS servomotor
ADS- Ground connection, ADS servomotor
AFW1 Signal, pedal-position sensor 1
AFW2 Signal, pedal-position sensor 2
AGND Analog ground, acceleration sensors
AHM-LM LM -- AHM connection
AHM-LSZ AHM -- LSZ connection
ALARM Assault alarm for spec.-purpose vehicles
ANLE Start-locking relay (car immobilizer)
ANSHA Intake valve for rear-axle circuit
ANSVA Intake valve for front-axle circuit
ANT Antenna switching signal
ANT-HF Antenna signal, high-frequency
ANT-ZF Antenna signal, intermediate frequency
ANT_TV Antenna signal, television
AM Amplitude modulation
ASCMFA ASC multifunction display
ASCSL ASC safety lamp
ASV ASC solenoid shutoff valve
ASVHA Shutoff valve for rear-axle circuit
ASVLWS Shutoff valve, latent-heat accumulator
ASWA Shutoff valve for front-axle circuit
AT+ Outside temperature
AT- Ground, outside temperature
ATRES Tank reserve for OBD II
ANT_HF Antenna signal, high frequency
ANT_ZF Antenna signal, intermediate frequency
AUC+ AUC sensor supply
AUC-HZ+ AUC heating power supply
AUC-HZ- AUC heating ground
AUC_IN AUC sensor signal
AVHL Solenoid outlet valve, rear left
AVHR Solenoid outlet valve, rear right
AVVL Solenoid outlet valve, front left
AVVR Solenoid outlet valve, front right
AWL Airbag warning LED
A_AGF Exhaust-back pressure sensor
A_AVT Exhaust pressure upstream of turbo
A_BSF Acceleration sensor
A_DDK Signal, throttle-valve sensor
A_DISA Position feed back, DISA
A_DK1S1 Throttle valve 1, signal 1
A_DK1S2 Throttle valve 1, signal 2
A_DK2S1 Throttle valve 2, signal 1
A_DK2S2 Throttle valve 2, signal 2
A_DKG Throttle-valve potentiometer
A_DKG1 Throttle-valve pot. 1, actual value
A-DKG2 Throttle-valve pot. 2, actual value
A_DKPIST Signal of ASC throttle-valve pot.
A_DSK Signal, SK pressure sensor
A_EGST Sensor, transmission-oil temperature
A_FGRA Analog signal, cruise-control stalk
A_FWG Pedal-sensor
A_FWG1 Pedal-sensor 1
A_FWG2 Pedal-sensor 2
A_GRL Glow system, feedback
A_HFM Signal, air-mass flow sensor
A_HLNFA+ Hall sensor, driv.backrest tilt, pos.
A_HLNBF+ Hall sensor, pass.backrest tilt, pos.
A_HLNFA- Hall sensor, driv.backrest tilt, neg.
A_HLNBF- Hall sensor, pass.backrest tilt, neg.
A_HSHFA+ Hall sensor, driv.seat height, pos.
A_HSHBF+ Hall sensor, pass.seat height, pos.
A_HSHFA- Hall sensor, driv.seat height, neg.
A_HSHBF- Hall sensor, pass.seat height, neg.
A_HSLFA+ Hall sensor, driv.seat carriage, pos.
A_HSLBF+ Hall sensor, pass.seat carriage, pos.
A_HSLFA- Hall sensor, driv.seat carriage, neg.
A_HSLBF- Hall sensor, pass.seat carriage, neg.
A_HSNFA+ Hall sensor, driv.seat tilt, pos.
A_HSNBF+ Hall sensor, pass.seat tilt, pos.
A_HSNFA- Hall sensor, driv.seat tilt, neg.
A_HSNBF- Hall sensor, pass.seat tilt, neg.
A_KND Signal, presupply pressure sensor
A_KS1 Knock sensor 1, cyl. 1, 2
A_KS1A Knock sensor 1a (differential signal)
A_KS1B Knock sensor 1b (differential signal)
A_KS2 Knock sensor 2, cyl. 3, 4
A_KS2A Knock sensor 2a (differential signal)
A_KS2B Knock sensor 2b (differential signal)
A_KS3A Knock sensor 3a (differential signal)
A_KS3B Knock sensor 3b (differential signal)
A_KS3 Knock sensor 3, cyl. 5, 6
A_KS4 Knock sensor 4, cyl. 7, 8
A_KS4A Knock sensor 4a (differential signal)
A_KS4B Knock sensor 4b (differential signal)
A_KTS Fuel temperature
A_KWT+ Coolant temperature, instr.cluster
A_KWT- Ground, coolant temperature, instr.cl.
A_LAT Signal, lateral-acceleration sensor
A_LDF Signal, charge-air pressure sensor
A_LSH1 Oxygen sensor after cat. conv., bank 1
A_LSH2 Oxygen sensor after cat. conv., bank 2
A_LSVP1 Oxygen sensor before catalytic converter, bank 1
A_LSVP2 Oxygen sensor before catalytic converter, bank 2
A_LSVR1 Oxygen sensor before catalytic converter, bank 1
A_LSVR2 Oxygen sensor before catalytic converter, bank 2
A_LSV1 Oxygen sensor before cat., right bank
A_LSV2 Oxygen sensor before cat., left bank
A_METS Methanol sensor
A_NBF Needle-motion sensor
A_OEL+ Engine-oil temperature, instr. cluster
A_OEL- Ground, eng.-oil temp., instr. cluster
A_OLD Oil pressure
A_OLN Oil-level sensor, analog signal
A_PKDIF Fuel differential-pressure sensor
A_RDS Signal, rail pressure sensor
A_RWGM Control-rod-travel sensor, meas. coil
A_RWGR Control-rod-travel sensor, ref. coil
A_RWGY Control-rod-travel sensor, center tap
A_SDF Intake-manifold pressure sensor
A_TANS Temperature, intake air
A_TEKAT Temperature, catalytic-conv. heating
A_THK1 Temperature after cat., right bank
A_TKA Temperature, coolant outlet
A_TKFK Temperature, map cooling
A_TLL Signal, charge-air temperature sensor
A_TMOT Coolant temperature
A_TMOT2 Temperature, coolant 2
A_TOEL Engine-oil temperature
A_TVK1 Temperature before cat., right bank
A_TVK2 Temperature before cat., left bank
A_YAW Signal, speed sensor
A_ZH Activation, electric auxiliary heater
A_ZSR Ignition-current feedback