A4 V6-3.0L (AVK) (2004)
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Remove Secondary Air Injection (AIR) pump relay -3-.
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Connect multimeter for voltage measurement as follows.
Relay carrier in E-box, plenum chamber, position 3....................................................................................................................................Measure to
Terminal
8............................................................................................................................................................................................Engine Ground (GND)
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Specified value: approx. battery voltage
If specified value is not obtained:
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Check wire connection from battery + (terminal 30) via Fuse for secondary air pump -S130- to Secondary Air Injection (AIR) Pump Relay -J299-
(in relay and fuse carrier in E-Box, plenum chamber, position 3) for open circuit according to wiring diagram.
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Specified value: Wire resistance max 1.5 Ohm
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Connect multimeter for voltage measurement as follows.
Relay carrier in E-box, plenum chamber, position 3....................................................................................................................................Measure to
Terminal
4............................................................................................................................................................................................Engine Ground (GND)
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Operate starter briefly.
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Specified value: approx. battery voltage
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Switch ignition off.
If specified value is not obtained: