Engines / Diesel / 1.6/55kW TDI-CR CAYA / Test / activation of fuel pump and control relay

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Mark	Model	Control unit	Diagnostic operation

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

Model

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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