Engines / Diesel / 2.0/103kW TDI-CR CFFx;CFGx;CFHx;CLCx;CMGB UDS EDC17 C46 / Test of filling and atmospheric pressure sensor (G31)


Mark Model Control unit Diagnostic operation
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Diagnostic operation
Diagnostic procedure

This operation was considered useful 1x.

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Conditions:
- engine speed = idling
- engine temperature = ambient temperature



connect with the control unit XX - engine


Advanced Measured Values

select item in menu:

IDEXXXXX - Absolute value - intake air pressure


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


required values:

intake air pressure = X - XXXX mbar


if values are not achieved:
- engine speed = X rpm
- disconnect from power supply part - intake air pressure sensor. measure resistance between terminals X,X - required values:
X - XV


upon achievement of values: continue

Conditions:

- engine speed = X rpm


Advanced Measured Values

select item in menu:

IDEXXXXX - Absolute value - intake air pressure
IDEXXXXX - Ambient air pressure - atmospheric pressure


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


required values:
Ambient air pressure = atmospheric pressure - actual value


desired condition:

IDEXXXXX = IDEXXXXX ± XX mbar


Picture documentation:




if values are not achieved, check part:
- atmospheric pressure sensor
- intake air pressure sensor
- wiring

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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