S4 V8-4.2L (BHF) (2004)
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Disconnect electrical/antenna connections - 2 -, - 3 - and - 4 -.
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Remove control module - 1 - from mounting box.
Installing:
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Install in reverse order of removal, noting the following.
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If existing control module is reinstalled, switch on Emergency Battery (Telematics) A16
NOTE:
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Emergency Battery
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Ensure correct seating and fit of electrical connections.
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Antenna connections (couplings) must be properly aligned and tight to ensure proper reception.
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If control module is replaced, replace Emergency Battery (Telematics) A16 and configure control module.