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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Radio, Navigation, Telephone, Pcm & Park Assistant - Diagnosis) >> Control unit function - gateway >> Wake-up function

Wake-up function

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All control units connected to the MOST are in sleep mode if the PCM2 is deactivated. When the PCM2 is switched on, a light is switched on via the MMI. It is reinforced and passed on by the MOST control modules that are connected.