Engines / UDS Engines by part number / 01 - Engine [EV_ECM20BTD03004L906056DR 005009] / Test - Intake air mass sensor CUUx

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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

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Conditions:
ignition = ON
engine speed = X rpm
intake system - tightness = OK
air filter = clean

Note:
X kpa = XX mbar

connect with the control unit XX - engine

Advanced Measured Values

select item in menu:

IDEXXXXX - Ambient air pressure (FXX)
IDEXXXXX - intake air pressure (GXX)

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

desired condition

IDEXXXXX = IDEXXXXX ± XX mbar

Picture documentation:

+ G31 - OK

upon non--achievement of condition - check component:
- intake air pressure sensor
- intake air pressure sensor -> control unit
- Ambient air pressure - pressure sensor
- wiring: outside presure - pressure sensor -> control unit

upon achievement of values - continue

Start the engine

XX - Security access

enter value: XXXXX

Start

XX - Basic settings

select item in drop-down menu:

IDEXXXXX - Test: Intake air mass sensor

activate default settings

follow the diagnostics instructions

required value:
- Successfully completed

upon non--achievement of condition - check component:
- Intake air mass sensor
- wiring: Intake air mass sensor -> control unit
- intake system: tightness of line
- air filter: clean

End of test

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