Engines / Diesel / EDC 15 general / Test of air mass sensor

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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
- second mechanic necessary!

connect with the control unit XX - engine

XX - Measured values group XXX
required values:
field X = engine AFB = XXX mg/H, engine AKN = XXX-XXXmg/H
field X = X%

if values are not achieved, check part: exhaust recirculation

upon achievement of values - continue

do a test drive

from XXXX rpm, accelerate in Xrd gear to about XXXX rpm

XX - Measured values group XXX
required values:
field X > XXX mg/H
field X = XXXX-XXXX mbar
field X = XXX%

end

Created on: XX.XX.XXXX XX:XX:XX (hnz) Copyright © XXXX-XXXX, AutoComSoft Ltd All rights reserved.

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