Engines / UDS Engines by part number / 01 - Engine [EV_ECM20TDI01104L906021EM 002005] / Automatic test procedure

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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

Part 1 of the order number Select the first three characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW order number field. Do not insert the ordering number from the control unit packaging here!!!

Select the first three characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW order number field. Do not insert the ordering number from the control unit packaging here!!!

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:
- engine speed = idling
- Error memory empty
- on-board voltage > XX.X V

connect with the control unit XX - engine

XX - Security access

enter value:

XXXXX = function accessible: adaptation, coding, basic settings

Start

XX - Basic settings

select item in drop-down menu: IDEXXXXX - Automatic test procedure

activate default settings

follow the diagnostics instructions (depress and hold brake pedal)

required values: Successfully completed

if values are not achieved -> check of error memory

XX - end of communication

End of test

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