Engines / UDS Engines by part number / 01 - Engine [EV_ECM20TDI01104L906026KD 005005] / Test - Intake air mass sensor CUUx


Mark Model Control unit Diagnostic operation
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Control unit
Diagnostic operation
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:



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

You are not logged! System works in DEMO mode only now where numbers are replaced with X characters. For 49 EUR only You will get access into full system. You can pay by credit card or bank transfer. Click BUY button for purchase and  You will get login to diagnostic procedures database imediatelly.

Volkswagen workshop manuals for diagnostics

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