Diagnostický případ

Opravené vozidlo

Libor Fleischhans

Jazyk případu:

Throttle valve not moving - potentiometers 0V / 0V

11.06.2019 | aktualizováno 11.06.2019 14:17:10 0 6x

Informace o vozidle

VIN:	WBAPA7102WB16543
Výrobce:	BMW
Model:	X3
Rok výroby:	2005
Kód motoru:	2,5
Typ motoru:	25 6S 5
Výkon (kW):	141 kW
Převodovka:	Automatická
Palivo:	Benzín
Najeto:	199 470 km

Jak se závada projevuje

Nefunguje / funguje nesprávně. In Limp-home mode and engine doesn't respond to the accelerator pedal activation.

Nouzový režim.

Jak často se závada projevuje

Trvale přítomná závada.

V jakém systému se závada vyskytuje

Motoru.
Brzd / podvozku.

R-CODE

po zapnutí zapalování
[2786] DME Throttle-valve potentiometer 1
[2787] DME Throttle-valve potentiometer 2
[2796] DME Throttle: adaptation values incorrect
[5F1D] Engine management: interface

trvalá závada
sporadická závada

Doposud provedeno bez úspěchu

Foreward: The owner is a former professional racing driver and understands cars. His mechanic understands cars as well. The car stopped operating while driving and the DTC messages quoted a problem with the throttle valve. Completely new OEM throttle valve was purchased. The new throttle valve was replaced by the owner and his mechanic. The car behaves the same way with the engine in Limp-home mode and a DTC messages quoting that the new throttle valve adaptation was unsuccessful. The car is running in Limp-home mode and doesn't respond to accelerator pedal operation. Apparently the same fault as before the throttle valve was replaced. Another permanent fault present on the car is in the ABS ECU - Communication interface of the engine ECU - permanent fault. This fault cannot be erased, similar to the faults of the throttle valve potentiometers. Some oxidation was discovered on the engine ECU connector terminals. The owner tried to clean.

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