WDS Wiring Diagram System - E53

• Complete vehicle
• Component and signal information
• Service functions

• Components
• Signals
• Plug-in, comb-type and solder connectors

• Signal names for positive/earth connections
• Signal names for lights
• Signal names with A
• Signal names with B
• Signal names with C
• Signal names with D
• Signal names with E
• Signal names with F
• Signal names with G
• Signal names with H
• Signal names with I
• Signal names with K
• Signal names with L
• Signal names with M
• Signal names with N
• Signal names with O
• Signal names with P
• Signal names with Q
• Signal names with R
• Signal names with S
• Signal names with T
• Signal names with U
• Signal names with V
• Signal names with W
• Signal names with Z

• MADVA Increase ADV actuation
• MADVZ Decrease ADV actuation
• MELEDBT Memory switch LED, passenger's door
• MELEDFT Memory switch LED, driver's door
• MER Unlocking central-locking units
• MERBT Motor, central-l. unit, pass., unlocking
• MERFT Motor, central-l. unit, driv., unlocking
• MERHK Motor, unlocking, tailgate
• MFBA Motor, power window, passenger, open
• MFBHA Motor, pwr window, pass.-side rear, open
• MFBHZ Motor,pwr window,pass.-side rear,closed
• MFBZ Motor, power window, passenger, closed
• MFFA Motor, power window, driver, open
• MFFHA Motor, pwr window, driv.-side rear, open
• MFFHZ Motor, pwr window, driv.-s. rear, closed
• MFFZ Motor, power window, driver, closed
• MFL+ Power supply, steering wheel, positive
• MFL- Power supply, steering wheel, earth
• MFS+ Magnetic-field probe +
• MFS- Magnetic-field probe -
• MFW1 Ground, pedal-travel sensor 1
• MFW2 Ground, pedal-travel sensor 2
• MHABF Motor, seat height UP, passenger
• MHAFA Motor, seat height UP, driver
• MHK Bonnet/hood contact
• MHKL Motor, tailgate
• MHRH Motor, rear-window roller blind UP
• MHRT Motor, rear-window roller blind DOWN
• MHS Motor, rear window
• MHZBF Motor, seat height DOWN, passenger
• MHZFA Motor, seat height DOWN, driver
• MI-BUS Motor bus
• MI-BUSL Motor bus, left
• MI-BUSR Motor bus, right
• MK2 Activation, compressor clutch
• MKABF Motor, head restraint UP, passenger
• MKAFA Motor, head restraint UP, driver
• MKBF Data lead, drive, head restraint, pass.
• MKFA Data lead, drive, head restraint, driver
• MKL Magnetic clutch, fan
• MKSL Motor, head restraint, left
• MKSLR Motor, head restraint, left-right
• MKSR Motor, head restraint, right
• MKZBF Motor, head restraint DOWN, passenger
• MKZFA Motor, head restraint DOWN, driver
• ML+ Motor, steering-col. long. adj., positive
• ML- Motor, steering-col. long. adj., negative
• MLABF Motor, backrest FORWARDS, passenger
• MLAFA Motor, backrest FORWARDS, driver
• MLAL Motor, backrest, rear left, FORWARDS
• MLAR Motor, backrest, rear right, FORWARDS
• MLK+ Motor, backrest head, positive
• MLK- Motor, backrest head, negative
• MLKFA Motor, backrest-head adjustment, driver
• MLNBF Earth, needle-motion sensor
• MLNFA Data lead, drive, backrest, driver
• MLSL Motor, steering-col. longitud. adjustment
• MLSL- Earth, motor, steer.-col. longit adjust.
• MLSN Motor, steering-column inclination
• MLSN- Earth, motor, steer.-col. inclination
• MLV+ Mid-range loudspeaker, front left +
• MLV- Mid-range loudspeaker, front left -
• MLZBF Motor, backrest BACKWARDS, passenger
• MLZFA Motor, backrest BACKWARDS, driver
• MLZL Motor, backrest, rear left, BACKWARDS
• MLZR Motor, backrest, rear right, BACKWARDS
• MN+ Motor, steering-col. inclination, positive
• MN- Motor, steering-col. inclination, negative
• MNABF Motor, tilt UPWARDS, passenger
• MNAFA Motor, tilt UPWARDS, driver
• MNZBF Motor, tilt DOWNWARDS, passenger
• MNZFA Motor, tilt DOWNWARDS, driver
• MOFA Motor, thigh support, driver
• MOT+ Power supply, heater blower
• MOT- Earth, heater blower
• MRA Motor-relay tripping
• MRDINIT Earth, initialisation button, RDKS
• MRL Engine-compartment light
• MRV+ Mid-range loudspeaker, front right +
• MRV- Mid-range loudspeaker, front right -
• MSABF Motor, seat sled FORWARDS, passenger
• MSAFA Motor, seat sled FORWARDS, driver
• MSHBF Data lead, drive, height, passenger
• MSHFA Data lead, drive, height, driver
• MSIR Motor, intensive-cleaning pump
• MSLBF Data lead, drive, seat sled, passenger
• MSLFA Data lead, drive, seat sled, driver
• MSNBF Earth, needle-motion sensor
• MSNFA Data lead, drive, tilt, driver
• MSOBF+ Motor, thigh support, passenger +
• MSOBF- Motor, thigh support, passenger -
• MSOFA+ Motor, thigh support, driver +
• MSOFA- Motor, thigh support, driver -
• MSRA Motor, headlight-washer pump
• MSZBF Motor, seat sled BACKWARDS, passenger
• MSZFA Motor, seat sled BACKWARDS, driver
• MTHL+ Mid-range speaker/tweeter, rear left +
• MTHL- Mid-range speaker/tweeter, rear left -
• MTHR+ Mid-range speaker/tweeter, rear right +
• MTHR- Mid-range speaker/tweeter, rear right -
• MUSPBF Make-up-mirror lighting, passenger
• MUSPFA Make-up-mirror lighting, driver
• MV+ Mid-range loudspeaker, front +
• MV- Mid-range loudspeaker, front -
• MVR Locking central-locking units
• MVRBT Motor, central-l.unit, lock., pass. door
• MVRFT Motor, central-l.unit, lock., driv. door
• MWI1 Wiper motor, Speed 1, via relay
• MWI2 Wiper motor, Speed 2, via relay
• MZS Central-l. units, central double-locking
• MZSFT Central-l.unit, cent.doub.-l., driv.door
• M_AGF Earth, exhaust-backpressure sensor
• M_AGR Earth, exhaust-gas recirculation
• M_ANALOG Ground, sensor
• M_ATF Earth, exhaust-gas-temperature sensor
• M_AVT Earth, exhaust pressure upstr. of turbo
• M_DDK Earth, thr.-valve pressure sensor
• M_DDS Earth, differential-pressure sensor
• M_DISA Earth, DISA activation
• M_DK1GN1 Earth 1, throttle valve 1
• M_DK1GN2 Earth 2, throttle valve 1
• M_DK2GN1 Earth 1, throttle valve 2
• M_DK2GN2 Earth 2, throttle valve 2
• M_DKFW1 Earth, thr.-v.-sen.act.v.1-Driv.wish1
• M_DKFW2 Earth, thr.-v.-sen.act.v.2-Driv.wish2
• M_DKG Earth, throttle-valve potentiometer
• M_DKPA Earth, power supply, thr.-v. pot.
• M_DSK Earth, SK pressure sensor
• M_EGST Earth, sensor, transm.-oil temperature
• M_FGRM Earth, cruise-control stalk
• M_FWG Ground, driver's-command sensor
• M_FWG1 Earth, driver's-wish sensor 1
• M_FWG2 Earth, driver's-wish sensor 2
• M_HFM Earth, air-mass flow sensor
• M_KFK Earth, map cooling
• M_KND Ground, presupply pressure sensor
• M_KKU Earth, runn. losses, fuel-circ. sw.over
• M_KS Earth, knock sensors
• M_KS1 Earth, knock sensor 1
• M_KS2 Earth, knock sensor 2
• M_KS3 Earth, knock sensor 3
• M_KS4 Earth, knock sensor 4
• M_KWG Earth, crankshaft sensor
• M_LAT Earth, lateral-acceleration sensor
• M_LDF Earth, charge-air-pressure sensor
• M_LGS Ground, idle switch
• M_LHH1 Earth, ox.-s.heat. after cat., ri. bank
• M_LHH2 Earth, ox.-s.heat. after cat., le. bank
• M_LHV1 Earth, ox.-s.heat. bef. cat., ri. bank
• M_LHV2 Earth, ox.-s.heat. bef. cat., le. bank
• M_LLFS Earth, idle actuator
• M_LS1 Earth, oxy. sensor, right bank, 12-cyl.
• M_LS2 Earth, oxy. sensor, left bank, 12-cyl.
• M_LSH1 Ground, oxygen sensor after cat. conv., bank 1
• M_LSH2 Ground, oxygen sensor after cat. conv., bank 2
• M_LSV1 Ground, oxygen sensor before cat. conv., bank 1
• M_LSV2 Ground, oxygen sensor before cat. conv., bank 2
• M_NBF Earth, needle-motion sensor
• M_NWG Earth, camshaft sensor
• M_NWGA1 Earth, exhaust-camshaft sensor 1
• M_NWGA2 Earth, exhaust-camshaft sensor 2
• M_NWGE1 Earth, intake-camshaft sensor 1
• M_NWGE2 Earth, intake-camshaft sensor 2
• M_NWG3 Ground, inlet-camshaft sensor 2
• M_NWG4 Ground, exhaust-camshaft sensor 2
• M_OTF Earth, oil temperature
• M_PWG1 Earth and screen, pedal-travel sensor 1
• M_PWG2 Earth and screen., pedal-travel sensor2
• M_PWG3 Earth and screen., pedal-travel sensor3
• M_RDS Ground, rail pressure sensor
• M_SEN Earth, sensors
• M_SEN1 Earth, sensors, right bank, 12-cyl.
• M_SEN2 Earth, sensors, left bank, 12-cyl.
• M_SLP Earth, secondary air pump
• M_SLPV1 Earth, secondary air pump and valve
• M_SLPV2 Earth, sec.airpump, sp. 2 and/or valve
• M_SLV Earth, secondary air valve
• M_TANS Earth, intake-air temperature sensor
• M_TEV Earth, tank-ventilation valve
• M_TKA Earth, temperature, coolant outlet
• M_TLL Ground, charge-air temperature sensor
• M_TMOT Ground, coolant-temperature sensor
• M_TMOT2 Earth, coolant-temperature sensor 2
• M_VVTS1 Ground, sensor VVT
• M_VVTS2 Ground, sensor VVT, bank 2
• M_WHL Earth, converter, PDC, rear left
• M_WHML Earth, converter, PDC, rear centre left
• M_WHMR Earth, converter, PDC, rear centreright
• M_WHR Earth, converter, PDC, rear right
• M_WVL Earth, converter, PDC, front left
• M_WVML Earth, converter, PDC,front centre left
• M_WVMR Earth,converter,PDC,front centre right
• M_WVR Earth, converter, PDC, front right
• M_YAW Earth, speed sensor
• M_ZS Earth, ignition coils
• M_ZDG Ground, ignition