ECU - Electronic Control Unit

In terminology of VW-group it's any electronic device, which has been carried out some logic function. Sometimes it looks like nonsens - even simple relay can be called ECU.

The coding of Electronic Control Unit used for explain the ECU where it is and what "neighbours" does it have. Very often on modern cars the coding is crossed with adaptation.

Adaptation of the Electronic Control Unit serves to explain to the ECU with whom and how to talk (If we have started to speak allegories) and serves as storehouse of various adjustable parameters. ( part of memory in the Control Unit which can be changed via internal software )

Measured Values Blocks ( MWB ) various parameters being inbound or calculated. Considering to value of MWB Electronic Control Unit, trying to "control"... Using of MWB allows you ( if you know the basic parameters ) to find out "close to boundary" or temporarily arising ( intermittent, sporadic ) malfunctions and many other useful things at competent use.


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Reading measured value block, memory seat driver side, Audi A6 2005>

 

The following measured values are displayed:

 

Output signals:

 

Measured value block 001:

Readout 1 from left to right:

P1 or Fingerprint_ID (1): (inactive = 0; active = 1)

P2 or Fingerprint_ID (2): (inactive = 0; active = 1)

P3 or Fingerprint_ID (3): (inactive = 0; active = 1)

P4 or Fingerprint_ID (4): (inactive = 0; active = 1)

Fingerprint unknown (unknown = 0; known = 1)

Lock driver door (lock = 0; unlock = 1)

CL by radio signal (inactive = 0; active = 1)

Driver door locked (unlocked = 0; locked = 1)

 

 

Readout 2 from left to right:

Memory adjustment (inactive = 0; active = 1)

Fingerprint STOP button (not pressed = 0; pressed = 1)

Door contact: (<10 Min. open = 0; >10 Min. open = 1)

STOP switch: (unpressed = 0; pressed = 1)

Memory button: (not pressed = 0; pressed = 1)

Door contact: (unpressed = 0; pressed = 1)

Term.15: (off = 0; on =1)

v-signal threshold (inactive = 0; active = 1)

 

 

Readout 3:

Remote control key signal: (no signal = 0; key number 1...4)

 

 

Readout 4

Inactive remote control key (= 0)

Personal button 1 / Active remote control key (= 1)

Personal button 2 (= 2)

Personal button 3 (= 3)

Personal button 4 (= 4)

 

 

Measured value block 002:

Status of seat longitudinal adjustment button: (forward, back; pressed; implaus:)

Current readout, seat longitudinal adjustment: (number between 0....00.65535)

Status of seat backrest rake adjustment button: (forward, back; pressed; implaus:)

Current readout, backrest rake adjustment: (number between 0....00.65535)

 

 

Measured value block 003:

Status of sear height adjustment button: (raise; lower; unpressed; implaus:)

Current readout, seat height adjustment: (number between 0....00.65535)

Status of seat rake adjustment button: (raise; lower; unpressed; implaus:)

Current readout, seat rake adjustment: (number between 0....00.65535)

 

 

Measured value block 004:

Note: Values apply to personal memory location 1 / Fingerprint 1

Stored value, longitudinal seat adjustment: (number between 0....00.65535)

Stored value, backrest rake: (number between 0....00.65535)

Stored value, seat height: (number between 0....00.65535)

Stored value, seat rake: (number between 0....00.65535)

 

 

Measured value block 005:

Note: Values apply to personal memory location 2 / Fingerprint 2

Stored value, longitudinal seat adjustment: (number between 0....00.65535)

Stored value, backrest rake: (number between 0....00.65535)

Stored value, seat height: (number between 0....00.65535)

Stored value, seat rake: (number between 0....00.65535)

 

 

Measured value block 006:

Note: Values apply to personal memory location 3 / Fingerprint 3

Stored value, longitudinal seat adjustment: (number between 0....00.65535)

Stored value, backrest rake: (number between 0....00.65535)

Stored value, seat height: (number between 0....00.65535)

Stored value, seat rake: (number between 0....00.65535)

 

 

Measured value block 007:

Note: Values apply to personal memory location 4 / Fingerprint 4

Stored value, longitudinal seat adjustment: (number between 0....00.65535)

Stored value, backrest rake: (number between 0....00.65535)

Stored value, seat height: (number between 0....00.65535)

Stored value, seat rake: (number between 0....00.65535)

 

 

Measured value block 008:

Note: Values apply to remote control key memory location 1

Stored value, longitudinal seat adjustment: (number between 0....00.65535)

Stored value, backrest rake: (number between 0....00.65535)

Stored value, seat height: (number between 0....00.65535)

Stored value, seat rake: (number between 0....00.65535)

 

 

Measured value block 009:

Note: Values apply to remote control key memory location 2

Stored value, longitudinal seat adjustment: (number between 0....00.65535)

Stored value, backrest rake: (number between 0....00.65535)

Stored value, seat height: (number between 0....00.65535)

Stored value, seat rake: (number between 0....00.65535)

 

 

Measured value block 010:

Note: Values apply to remote control key memory location 3

Stored value, longitudinal seat adjustment: (number between 0....00.65535)

Stored value, backrest rake: (number between 0....00.65535)

Stored value, seat height: (number between 0....00.65535)

Stored value, seat rake: (number between 0....00.65535)

 

 

Measured value block 011:

Note: Values apply to remote control key memory location 4

Stored value, longitudinal seat adjustment: (number between 0....00.65535)

Stored value, backrest rake: (number between 0....00.65535)

Stored value, seat height: (number between 0....00.65535)

Stored value, seat rake: (number between 0....00.65535)

 

 

Measured value block 032:

Stored readout, seat longitudinal adjustment; EasyEntry P1: (number between 0....00.65535)

Stored readout, seat backrest rake; EasyEntry P1: (number between 0....00.65535)

Stored readout, seat height; EasyEntry P1: (number between 0....00.65535)

Stored readout, seat rake; EasyEntry P1: (number between 0....00.65535)

 

 

 

Measured value block 041:

Readout 1(Energy Manager shut-off stages):

Full function: (= 0)

Manual adjustment <2 min.; Memory max. 4x: (= 1)

Manual adjustment <2 min.; Memory max. 4x: (= 2)

Manual adjustment <2 min.; No memory: (= 3)

Transport mode; Manual adjustment <2 min.; No memory: (= 4)

Compl. shut-off / No control unit wakeup; No manual adjustment; No memory: (= 6)

 

 

Readout 2 from left to right:

Radio remote control tailgate button (unpressed = 0; pressed = 1)

Radio remote control panic button (unpressed = 0; pressed = 1)

Radio remote control open button (unpressed = 0; pressed = 1)

Radio remote control close button (unpressed = 0; pressed = 1)

 

 

Readout 3 from left to right:

Tailgate authorised (inactive = 0; active = 1)

Driver door opening aid authorised (inactive = 0; active = 1)

Front passenger door opening aid authorised (inactive = 0; active = 1)

Rear left opening aid authorised (inactive = 0; active = 1)

Rear right opening aid authorised (inactive = 0; active = 1)

 

 

Readout 4

Service fault (inactive = 0; active = 1)

 

 

Measured value block 042:

Readout 1 from left to right:

Passenger side seat synchronised startup: (inactive = 0; active = 1)

Seat movement: (inactive = 0; active = 1)

Seat longitudinal adjustment: (inactive = 0; active = 1)

Seat height adjustment: (inactive = 0; active = 1)

Backrest angle adjustment: (inactive = 0; active = 1)

Seat rake adjustment: (inactive = 0; active = 1)

Head restraint adjustment: (inactive = 0; active = 1)

Upper backrest adjustment: (inactive = 0; active = 1)

 

 

Readout 2 from left to right:

Seat depth adjustment: (inactive = 0; active = 1)

Lumbar support height adjustment: (inactive = 0; active = 1)

Lumbar support curvature adjustment: (inactive = 0; active = 1)

Belt height adjustment: (inactive = 0; active = 1)

Passenger side comfort side view startup: (inactive = 0; active = 1)

Passenger side reclined position startup: (inactive = 0; active = 1)

 

 

Readout 3 from left to right:

Fingerprint touch set: (inactive = 0; active = 1)

tipp auto set: (inactive = 0; active = 1)

 

 

Readout 4 from left to right:

store Keyless Code: (inactive = 0; active = 1)

glob stop Fingerprint Code: (inactive = 0; active = 1)

EE rear left enable: (inactive = 0; active = 1)

EE rear right enable: (inactive = 0; active = 1)

Passenger side rear adjust. enable: (inactive = 0; active = 1)

 

 

 

Measured value block 044:

Voltage supply in Volts: (0.000V)

Component protection: (XXXXXXXXX)

 

 

 

Measured value block 045:

Readout from left to right:

Store remote control key no.: (inactive = 0; active = 1)

Store to fingerprint position: (inactive = 0; active = 1)

Seat symmetry: (inactive = 0; active = 1)

Comfort side view: (inactive = 0; active = 1)

Reclined position startup: (inactive = 0; active = 1)

Passenger side adjustment: (inactive = 0; active = 1)

EASY ENTRY rear left: (inactive = 0; active = 1)

EASY ENTRY rear right: (inactive = 0; active = 1)

 

 

Measured value block 048:

Zones, seat height adjustment: (number between 0....00.65535)

Zones, seat longitudinal adjustment: (number between 0....00.65535)

Maximum head restrain adjustment value relative to lower software block: (number between 0....00.65535)

 

 

Measured value block 049:

Readout 1:

Reset counter: (number between 0....00.65535)

 

 

Readout 2 from left to right (source of last reset):

Hardware watchdog: (inactive = 0; active = 1)

Software interrupt: (inactive = 0; active = 1)

PowerOn: (inactive = 0; active = 1)

CAN: (inactive = 0; active = 1)

Manual adjuster: (inactive = 0; active = 1)

 

 

Readout 3:

Program state matches state sequence diagram: (inactive = 0; active = 1)

 

 

Measured value block 050:

Readout 1 from left to right:

Seat longitudinal adjustment motor standardisation: (not standardised = 0; standardised =1)

Seat backrest angle adjustment motor standardisation: (not standardised = 0; standardised =1)

Seat height adjustment motor standardisation: (not standardised = 0; standardised =1)

Seat rake adjustment motor standardisation: (not standardised = 0; standardised =1)

 

 

 

Measured value block 051:

Maximum software travel, seat longitudinal adjustment: (number between 0....00.65535)

Stored value, software block front, seat longitudinal adjustment: (number between 0....00.65535)

Stored value, software block rear, seat longitudinal adjustment: (number between 0....00.65535)

Stored value, load change counter, seat longitudinal adjustment: (number between 0....0.500)

 

 

 

Measured value block 052:

Maximum software travel, backrest angle adjustment: (number between 0....00.65535)

Stored value, software block front, backrest angle adjustment: (number between 0....00.65535)

Stored value, software block rear, backrest angle adjustment: (number between 0....00.65535)

Stored value, load change counter, backrest angle adjustment: (number between 0....0.500)

 

 

 

Measured value block 053:

Maximum software travel, seat height adjustment: (number between 0....00.65535)

Stored value, lower software block, seat height adjustment: (number between 0....00.65535)

Stored value, upper software block, seat height adjustment: (number between 0....00.65535)

Stored value, load change counter, seat height adjustment: (number between 0....0.500)

 

 

 

Measured value block 054:

Maximum software travel, seat rake adjustment: (number between 0....00.65535)

Stored value, lower software block, seat rake adjustment: (number between 0....00.65535)

Stored value, upper software block, seat rake adjustment: (number between 0....00.65535)

Stored value, load change counter, seat rake adjustment: (number between 0....0.500)

 

 

 

Measured value block 130:

Mode: (one-wire; two-wire)

Driver door control unit: (Driver door: 1 = active; 0 = inactive)

ILM rear: (ILM rear: 1 = active; 0 = inactive)

Gateway: (Gateway: 1 = active; 0 = inactive)

 

 

 

Measured value block 131:

Battery Energy Manager (BEM): (E.manager 1 = active; 0 = inactive)

Passenger door control unit: (Pass.door: 1 = active; 0 = inactive)

Passenger side seat memory: (PS memory 1 = active; 0 = inactive)

Fingerprint: (FPI 1 = active; 0 = inactive)

 

 

Measured value block 132:

ILM driver': (Elext. CE 1 = active; 0 = inactive)

Electric ignition lock (DAS): (El.ign. 1 = active; 0 = inactive)

 

 

 

Measured value block 134 Switch test:

Readout 1 from left to right:

Seat longitudinal adjustment forward: (Status detected = 0; Status not detected = 1)

Seat height adjustment up: (Status detected = 0; Status not detected = 1)

Seat rake adjustment up: (Status detected = 0; Status not detected = 1)

Seat backrest rake adjustment forward: (Status detected = 0; Status not detected = 1)

Head restraint adjustment down: (Status detected = 0; Status not detected = 1)

Upper backrest adjustment forward: (Status detected = 0; Status not detected = 1)

Seat depth adjustment back: (Status detected = 0; Status not detected = 1)

Lumbar support height adjustment down: (Status detected = 0; Status not detected = 1)

 

 

Readout 2 from left to right:

Lumbar support curvature adjustment back: (Status detected = 0; Status not detected = 1)

Massage: (Status detected = 0; Status not detected = 1)

Seat longitudinal adjustment back: (Status detected = 0; Status not detected = 1)

Seat height adjustment down: (Status detected = 0; Status not detected = 1)

Seat rake adjustment down: (Status detected = 0; Status not detected = 1)

Seat backrest rake adjustment back: (Status detected = 0; Status not detected = 1)

Head restraint adjustment up: (Status detected = 0; Status not detected = 1)

Upper backrest adjustment back: (Status detected = 0; Status not detected = 1)

 

 

Readout 3 from left to right:

Seat depth adjustment forward: (Status detected = 0; Status not detected = 1)

Lumbar support height adjustment up: (Status detected = 0; Status not detected = 1)

Lumbar support curvature adjustment forward: (Status detected = 0; Status not detected = 1)

Seat longitudinal adjustment unpressed: (Status detected = 0; Status not detected = 1)

Seat height adjustment unpressed: (Status detected = 0; Status not detected = 1)

Seat rake adjustment unpressed: (Status detected = 0; Status not detected = 1)

Seat backrest rake adjustment unpressed: (Status detected = 0; Status not detected = 1)

Head restraint adjustment unpressed: (Status detected = 0; Status not detected = 1)

 

 

Readout 4 from left to right:

Upper backrest adjustment unpressed: (Status detected = 0; Status not detected = 1)

Seat depth adjustment unpressed: (Status detected = 0; Status not detected = 1)

Lumbar support height adjustment unpressed: (Status detected = 0; Status not detected = 1)

Lumbar support curvature adjustment unpressed: (Status detected = 0; Status not detected = 1)

Massage unpressed: (Status detected = 0; Status not detected = 1)

On/Off closed: (Status detected = 0; Status not detected = 1)

On/Off open: (Status detected = 0; Status not detected = 1)

 

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