Engines / Diesel / 1.9/74kW TDI-PD AVQ / Test of valve engine in the intake (V157)

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Mark	Model	Control unit	Diagnostic operation

Mark

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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

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Note:
- check component: fuse - flap in intake manifold - engine
- engine speed = idling

connect with the control unit XX - engine

XX - Actuators

select item: flap in intake manifold - engine (VXXX)

Start

physically test the function of the activated component

desired condition: flap in intake manifold - engine - active

if values are not achieved - check component: flap in intake manifold - engine, control unit, line

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