A4 V6-3.0L (AVK) (2004)
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Connect multimeter at valve for resistance measurement.
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Specified value: 22 ... 30 Ohm
If specified value is not obtained:
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Replace Evaporative Emission (EVAP) canister purge regulator valve -N80-.
If specified value is obtained:
Checking voltage supply
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Connect multimeter between terminal 1 and 2 for voltage measurement.
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Operate starter briefly.
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Specified value: approx. battery voltage
If there is no voltage:
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Connect multimeter for voltage measurement as follows:
Harness connector
Measure to
Terminal
1
Engine Ground (GND)
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Operate starter briefly.
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Specified value: approx. battery voltage
If there is no voltage again:
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Check wire connection from harness connector terminal 1 to Fuel Pump (FP) Relay -J17- via fuse for open circuit according to wiring diagram.
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Specified value: Wire resistance max 1.5 Ohm
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If necessary, repair wire connection.
If voltage supply is OK:
Check Ground (GND) activation