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.


J217_4F_38_01J_1_0504_21_USA_codieren.htm
J217_4F_38_01J_1_0505_21_MWB_lesen.htm
J217_4F_38_01J_1_0506_21_Pinbelegung.htm
J217_4F_38_01J_1_0903_21_RdW_codieren.htm
J217_4F_38_01J_1_1103_21_Anpassung.htm
J217_4F_38_01J_1_1103_21_Pinbelegung.htm
J217_4F_38_09E_1_0206_21_MW_lesen.htm
J217_4F_38_09E_1_0206_21_RdW_codieren.htm
J217_4F_38_09E_2_0206_21_USA_codieren.htm
J217_4F_38_09L_1_0104_21_MW_lesen.htm
J217_4F_38_09L_1_0903_21_RdW_codieren.htm
J217_4F_38_09L_1_1203_21_Pinbelegung.htm
J217_4F_38_09L_2_0506_21_Pinbelegung.htm
J217_4F_38_09L_2_0903_21_USA_codieren.htm
J217_4F_38_0AN_1_0506_21_Pinbelegung.htm
J217_4F_38_0AN_1_1105_21_MWB_lesen.htm
J217_4F_38_0AN_1_1105_21_RdW_codieren.htm
J217_4F_38_0AN_1_1105_21_USA_codieren.htm
J217_4F_38_0AN_2_0506_21_Pinbelegung.htm
J587_4F_37_01J_1_0204_21.htm
J587_4F_37_09L_1_0104_21.htm

Adaption of multitronic gearbox

 

The multitronic gearbox must be adapted to ensure optimal closing of the forward and reverse clutch.

 

The adaption must be performed after the following operations on the multitronic gearbox:

I Following replacement of the multitronic control unit

I Following replacement of the hydraulic control unit

I Following replacement of the gearbox

I Following replacement of the input shaft or

I Following recoding of the multitronic control unit

 

Test requirements to be met before the adaption is performed:

I No faults stored in multitronic control unit

I The gearbox oil temperature must be above 60°C

 

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