Engines / Diesel / 1.9/74kW TDI-PD AVQ / Test of filling and atmospheric pressure sensor

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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:
- engine speed = X
- engine temperature = ambient temperature

connect with the control unit XX - engine

XX - Measured values group XXX
required values:
field X = ambient temperature ± XX°C

if values are not achieved, check part: filling pressure sensor, line

XX - Measured values group XXX
observe values:
field X = actual value (atmospheric pressure (FXX))
field X = filling pressure (GXX)

desired condition:
field X = field X ± XX mbar

upon non--achievement of condition - check component: atmospheric pressure sensor, filling pressure sensor, line

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