Engines / Diesel / 1.9/77kW TDI-PD BLS; BVB; BXJ; BSU / Test - additive pump

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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

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Conditions:
- engine speed = idling

connect with the control unit XX - engine

XX - Coding II

enter value XXXXX

Start

XX - Measured values group XXX

wait

required values
field X = X

required values
field X = actual value (actual additive volume)
field X < XX ltr (additive off-také volume)

if values are not achieved - field X (system indicator light - additive injection system = off) - check component:
- additive low sensor

XX - end of communication

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