Engines / UDS Engines by part number / 01 - Engine [EV_ECM20TDI01104L906016HP 004003] / Evacuation of fuel tank

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Mark	Model	Control unit	Diagnostic operation

Mark

Select a vehicle make or a common group such as Service Intervals, Engines, Transmissions, Immobilizers and Independent Heaters.

Model

Part 1 of the order number Select the first three characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW order number field. Do not insert the ordering number from the control unit packaging here!!!

Select the first three characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW order number field. Do not insert the ordering number from the control unit packaging here!!!

Control unit Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Diagnostic operation Select the desired diagnostic procedure.

Diagnostic procedure

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Note:
•         engine speed = X rpm
•         in a suitable manner, disconnect the fuel system and catch some fuel in a vessel
•         observe occupation safety rules when handling fuel!

Conditions:
•         on-board voltage > XXV - connect battery charger
•         fuse - fuel pump - OK

connect with the control unit XX - engine

XX - Actuators

select item in drop-down menu:

IDEXXXXX - fuel pump

time interval - enter value XXXs

Start

wait XXXs
back
XX - end of communication

end

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