19 jan 2021 12:48
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The CCU supervises the rear fan operation by a feedback signal. If the fan is seized, resistor is faulty or its fuse blown, the CCU will produce a OBD fault code, and stop the front fans intermittently if the temperature control is turned up and heated air is needed. The defroster fan operation will also cut out shortly after starting due to the max heat setting. CCU connector G19 and G1 are the blower motor supply voltage feedbacks. In case of using a "RS duct" modification and rear fan delete, you will have to fool the CCU into thinking that the fan motor is OK in order to avoid the front fans to shut down. The simplest method to do this is to connect switched +12V to the rear fan terminal 87. (the relay can of course be removed)
19 jan 2021 14:44
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19 jan 2021 15:38
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19 jan 2021 16:42
Tim smit schreef:Hallo ik heb mij in het begin al voorgesteld als het goed is?
19 jan 2021 17:46
19 jan 2021 20:00
Tim smit schreef:Ik heb nu 12v op pin 85 van dat relais gezet maar de ventilator draait nog steeds langzaam?
19 jan 2021 20:06
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