Engines / Diesel / 1.9/74kW TDI-PD AVQ / Test of filling pressure control valve

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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

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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Note:
- check component: fuse - filling pressure control valve
- engine speed = idling

connect with the control unit XX - engine

XX - Actuators

select item: filling pressure control valve (NXX)

Start

physically test the function of the activated component

desired condition: filling pressure control valve - active / inactive
required values - intake air volume - fluctuates

if values are not achieved - check component:
- filling pressure control valve (NXX)
- Charge Pressure Controller - tightness
- control unit
- line
- line - tightness

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