Engines / UDS Engines by part number / 01 - Engine [EV_ECM20TDI01103L906022CH 002007] / Test - filling pressure control valve (N75)

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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

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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Conditions:
- ignition = ON
- engine speed = idling

connect with the control unit XX - engine

XX - Security access

enter value:

XXXXX

Start

XX - Basic settings

select item: IDEXXXXX - Test: turbo blower

In the Basic Settings window, click Measured values and select the items you want to visualize.

TIP! For easier search in the menu, enter the code IDE, ENG or MAS into the "Filter" window

IDEXXXXX - filling pressure controller: high Pressure: excitation
IDEXXXXX - filling pressure

XX - Basic settings - Start

Monitor the difference in the values of the filling pressure during active and inactive regulation
required value: MIN XXX mbar

for this test, it is suitable to use graphical representation

Picture documentation:

+ N75 OK

End of test

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