A3 Quattro V6-3.2L (BUB) (2008)
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Remove the center noise insulation fasteners - 1, 2, 3 - and the center noise insulation panel.
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Disconnect the Secondary Air Injection (AIR) Pump Motor (-V101-) electrical harness connector - 3 -.
Checking voltage
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Start engine momentarily.
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Using a Multimeter, check the Secondary Air Injection (AIR) Pump Motor (-V101-) electrical harness connector terminals 1 to 2 for voltage.