Engines / UDS Engines by part number / 01 - Engine [EV_ECM20TDI01103L906019GJ 003003] / Test / activation of fuel pump and control relay

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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

This operation was considered useful 1x.

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Conditions:
•         on-board voltage > XXV - connect battery charger
•         fuel system - closed
•         fuse - fuel pump - OK
•         first execute the function: fuel system - bleeding (deaeration)

connect with the control unit XX - engine

XX - Basic settings

select item in menu: IDEXXXXX-ENGXXXXX - First fuel filling

enter value:
Running time [filling time] = XX [ s ]
Fuel [Fuel level] = X [ l ]

activate default settings

Note:
- fuel pump active - XXs

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