A8L V8-4.2L (BFM) (2004)
Navigation Module: Service and Repair
Control Module For Navigation System With CD Mechanism -J401-, Removing And Installing
Special tools and workshop equipment required
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Radio release tool T10057
Removing
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If Navigation system control module is to be replaced:
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Use VAS 5051 Vehicle Diagnostic Testing and Information System in operating mode "Guided Fault Finding"
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Select "Replace" for appropriate Control Module and follow tester prompts.
Control module:
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Open left luggage compartment storage area.
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Insert two keys of release tool T10057 in front side as illustrated.
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Pull control module out from mounting frame.
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Disconnect all electrical connections from Control Module.
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Attach protective cap -1- to fiber-optic connector -2-.
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Press locking lugs at side of Control Module and remove keys.
Mounting frame:
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Remove nut -1- (8 Nm) and bolt -2- (8 Nm).