audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 6600 > < With Manufacturer's Scan Tool|Page 6598
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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

With Manufacturer's Scan Tool|Page 6600 > < With Manufacturer's Scan Tool|Page 6598