Engines / Petrol / MED 17.5.21 UDS general / Test: fuel pump - control unit (J538)

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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:
• ignition = ON
• engine speed = X rpm

connect with the control unit XX - engine

XX - Actuators

select item in drop-down menu:

IDEXXXXX - fuel pump

Start

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

IDEXXXXX - fuel pump - required value

TIP! For easier search in the menu, enter the code IDE, ENG or MAS into the "Filter" window

desired condition: active/inactive

physically test the function of the activated component

upon non--achievement of condition - check component:
- fuel pump
- wiring

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