A4 Quattro Sedan V6-3.0L (AVK) (2002)
If specified value is not obtained:
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Check wiring from terminal 2 on connector via fuse to fuel pump relay for open circuit or short to Ground.
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Repair any open/short circuit as necessary.
If specified value is obtained:
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Connect multimeter between terminals 2 and 3 to measure voltage.
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Operate starter briefly (engine may start).
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Specified value: approx. battery voltage.
NOTE: Engine control module Ground is present at terminal 3 of the connector.
If specified value is not obtained:
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Check wiring connections.
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Connect multimeter between terminals 1 and 3 to measure voltage.
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Specified value: approx. 5 V.
If specified value is not obtained:
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Checking wiring to mass air flow (MAF) sensor See: Wiring to Mass Air Flow (MAF) Sensor -G70-, Checking