Engines / Diesel / EDC 17 UDS general / Test - exhaust recirculation - potentiometer (G212)

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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

This operation was considered useful 1x.

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Conditions:
- ignition = ON
- engine speed = idling
- intake system - tightness = OK

connect with the control unit XX - engine

XX - Actuators

select item in drop-down menu:

IDEXXXXX - Change-over valve for the cooler of the exhaust gas recirculation

Start

desired condition: open / closed

In the Actuators window, click Measured values and select the items you want to visualize.

IDEXXXXX - exhaust gas return valve - actual value
IDEXXXXX-ENGXXXXXX - exhaust recirculation - high Pressure: Bits X-X

required values:

open - IDEXXXXX (exhaust gas return valve - actual value) = XX - XX %
closed - IDEXXXXX (exhaust gas return valve - actual value) = XX - XXX %

upon non--achievement of condition - check component:
- exhaust gas return valve
- wiring

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