S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Loosen the positive battery cable terminal nut - 2 - and remove the cable from the battery positive post.
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Remove the rear shelf.
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Remove the side trim panel.
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Remove the positive wire - 4 -.
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Disconnect the electrical connector station electrical connectors - 3 - and remove the connector station from the control module bracket and lay it
to the side.
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Remove the right rear relay and fuse carrier from the control module bracket and lay it aside - arrows -.
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Disconnect the engine control module electrical connectors and remove the engine control module bracket - arrow - from vehicle.