VW / Passat B6 (3C) / 08 - air-conditioning - (Klimaanlage X0xxx) / Condition for disconnection of the compressor

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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

This operation was considered useful 4x.

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connect with the control unit XX - air-conditioning

XX - Measured values group XXX

field X

X = air condition compressor ON
X = air condition compressor - disconnected - Air-conditioning pressure switch (FXXX) - Pressure - Too high
X = air condition compressor - disconnected - Air-conditioning pressure switch (FXXX) - Pressure - Too small
X = air condition compressor - disconnected - engine speed - Too small
X = air condition compressor - disconnected - button ECON
X = air condition compressor - disconnected - button OFF
X = air condition compressor - disconnected - ambient temperature < X°C
XX = air condition compressor - disconnected - voltage < XV
XX = Too high - engine temperature - Too high
XX = air condition compressor - disconnected - control unit (engine, gearbox)
XX = air condition compressor - disconnected - vaporiser - temperature - Too small
XX = vaporiser - temperature sensor (GXXX) - non-functional

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