A4 V6-3.0L (AVK) (2004)
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Check the following wire connection for open circuit according to wiring diagram:
Relay carrier in E-box, plenum
Test box
chamber, position 2
Terminal
Socket
4
23
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Specified value: Wire resistance max 1.5 Ohm
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Also check the wire for short circuit to B+ and Ground (GND).
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Specified value: infinity Ohm (no continuity)
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If necessary, repair wire connection.
If no malfunctions are detected:
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Replace Motronic Engine Control Module (ECM) power supply relay - J271-.