Operation CHARM
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Audi
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1993
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S4 Sedan L5-2226cc 2.22L DOHC Turbo (AAN)
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Locations
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Ground Locations
Ground Locations
Ground Locations 20V:
There are two Grounds. One ground is for the output actators and the other ground is for the Motronic control module, input sensors and sensor shields.