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

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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 2x.

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Conditions:
- air filter - clean

Note:
- observe the occupation safety rules when taking a test drive with connected diagnostics tester

connect with the control unit XX - engine

XX - Measured values group XXX

engine speed = idling

observe values: field X, field X

required values:

field X = XXX - XXXX mbar (actual value -atmospheric pressure)
field X = XXX - XXXX mbar (actual value filling pressure)

from XXXX rpm, accelerate in Xrd gear to about XXXX rpm - full load

required values:

field X = XXX - XXXX mbar (actual value -atmospheric pressure)
field X = XXXX - XXXX mbar (actual value filling pressure)

if values are not achieved - field X - check component:
- atmospheric pressure sensor

if values are not achieved - field X - check component:
- turbo blower
- filling pressure sensor
- tightness of line

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