Engines / UDS Engines by part number / 01 - Engine [EV_ECM20TDI01104L906021ER 002007] / Test - fuel pressure regulation vlave (N276) CUUx

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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

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Conditions:
- ignition = ON
- engine speed = idling

Note:
X bar = X,X MPa
X bar = XXX kPa
X bar = XXXX hPa
X bar = XXXXXX Pa

connect with the control unit XX - engine

wait XX s

Advanced Measured Values

select item:

X) IDEXXXXX - fuel pressure - high: required values
X) IDEXXXXX - fuel pressure - high: actual value
X) IDEXXXXX - fuel pressure regulation vlave
X) IDEXXXXX - Fuel metering valve

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

Start

required values:

X)
fuel pressure - high: actual value = XX-XX MPa (XXX-XXX bar)

X)
required values <-> actual value: the maximum permissible difference is: X Mpa (XXXX kPa, XX bar)

X)
fuel pressure regulation vlave - alternating = XX - XX %
X)
Fuel metering valve - alternating = XX - XX %

Picture documentation:

+ N276 - OK

if values are not achieved - check component:
- Low-pressure Fuel system
- fuel pressure regulation vlave (NXXX)
- Fuel metering valve (NXXX)
- pressure sensor - fuel pressure
- Fuel metering valve
- hipressure pump

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