A4 Quattro Cabriolet V6-3.0L (BGN) (2005)
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Disconnect fuses S228, S229 and S234 (positions 28, 32 and 34) in fuse holder.
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Initiate final control diagnosis and actuate evaporative emission (EVAP) canister purge regulator valve - N80-.
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To measure voltage, connect multimeter to Ground and to one terminal of following fuses in fuse holder.
Fuse
Specified value at one of the terminals
S228
approx. battery voltage
S232
approx. battery voltage
S234
approx. battery voltage
If the specified values are not obtained:
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Repeat test at other terminal of fuse base.
If the specifications are still not obtained:
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Check wiring connections.
If no DTC is found:
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Replace fuel pump (FP) relay -J17-.
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Reinsert fuses
