Operation CHARM
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Porsche
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2005
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Cayenne Turbo (9PA) V8-4.5L Turbo
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - 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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PCM2/CDR23
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MMI Function Control Modules
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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 main board). It runs the gateway commands via the wake-up signal line and the distribution line diagnosis.