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Porsche
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2006
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Cayenne S (9PA) V8-4.5L
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Repair and Diagnosis
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Accessories and Optional Equipment
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General Module
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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PCM/CDR23
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Man Machine Interface (MMI)
Man Machine Interface (MMI)
Man Machine Interface (MMI)
The MMI is part of the PCM2 (on the mainboard). It runs the gateway commands via the wake-up signal line and the distribution line diagnosis.