A6 V6-3.0L (AVK) (2004)
3-pin relay carrier,E-box
Measure to
plenum chamber, position 3
Terminal
6
46
-
Specified value: Wire resistance max 1.5 Ohms
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Also check the wire for short circuit to B+ and Ground (GND).
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Specified value: Infinity Ohms (no continuity)
If no malfunctions are detected:
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Replace Secondary Air Injection (AIR) pump relay -J299-.
Check voltage supply of the Secondary Air Injection (AIR) pump motor
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For vehicles with auxiliary heater, remove bolts (arrows) for exhaust pipe of parking heater/auxiliary heater on noise insulation.
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Loosen mounting parts -1- to -4- and remove noise insulation.